Double Star Calculator - Results

WARNING: Invalid or missing GAIA IDs


Measurements for STF 1424 AB
WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
-------------------------------------------------------------------------------------------------
10200+1950  STF 1424    AB    1    4.74"    126.1°   B2023.305  HWI  120/900 APO   ASI120MC   
10200+1950  STF 1424    AB    2    4.68"    126.3°   B2025.169  HWI  120/900 APO   ASI678MM  
10200+1950  STF 1424    AB    3    4.77"    126.6°   B2025.325  HWI  120/900 APO   ASI678MM  
10200+1950  STF 1424    AB    4    4.67"    --       B2025.334  HWI  120/900 APO   ASI678MM  
10200+1950  STF 1424    AB    5    4.81"    --       B2025.334  HWI  120/900 APO   ASI678MM  OIII
10200+1950  STF 1424    AB    6    4.80"    --       B2025.334  HWI  120/900 APO   ASI678MM  VG6


Year	PA		SEP
---------------------
2020	126.6	4.728
2021	126.6	4.732
2022	126.7	4.735
2023	126.8	4.738
2024	126.9	4.741
2025	126.9	4.744
2026	127.0	4.747
2027	127.1	4.750
2028	127.2	4.753
2029	127.2	4.755
2030	127.3	4.758

-- Image of STF-1424-AB-taken with Equinox 120/900 APO --


WDS record for STF 1424 AB
wds_id                       : 10200+1950
discoverer_code              : STF
discoverer_number            : 1424
discoverer_components        : AB
date_first                   : 1820
date_last                    : 2024
num_of_obs                   : 868
pa_first                     : 99
pa_last                      : 127
sep_first                    : 3.7
sep_last                     : 4.8
mag_primary                  : 2.37
mag_secondary                : 3.64
spectral_type                : K1III+gG7
primary_proper_motion_RA     : 311
primary_proper_motion_DEC    : -153
secondary_proper_motion_RA   : 306
secondary_proper_motion_DEC  : -161
dm_number                    : +20 2467
notes                        : NO V
precise_coordinate           : 101958.35+195029.4

WDS Notes:
----------
N: Notes found in WDSNOT MEMO of WDS
O: Orbit described in WDSNOT MEMO and has entry in Orbit Catalog
V: Proper motion or other technique: physical


Orbital Elements for STF 1424 AB
WDS: STF 1424 AB WDS ID/Discoverer
P: 554.000 Orbital period (years)
a: 3.1 Semi-major axis (arcseconds)
i: 41.0 Inclination (degrees)
Ω: 188.0 Longitude of ascending node (degrees)
T: 1769.000 Epoch of periastron passage (year)
e: 0.93 Eccentricity
ω: 114.0 Longitude of periastron (degrees)
Start-Year: 1748.0 Year
End-Year: 2302.0 Year
Epoch: 2025.99 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF 1424 AB
Position: 101958.35+195029.4 Epoch-2000 right ascension and declination
WDS-ID: 10200+1950 WDS designation
Discoverer Code: STF 1424 AB Discover designation and components
ADS number: 7724 Aitken Double Star catalog
HD number: 89484 HD catalog number
Hipparcos number: 50583 Hipparcos catalog number
V1: 2.37 Magnitude of the primary
V2: 3.64 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2010 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags

Double Star Orbit for STF 1424 AB



WDS 6th Orbit including measures of STF 1424 AB

-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --

Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of STF 1424 AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.99    4.747    127.0
-------------------------
1748.0     1.555    165.1
1749.0     1.509    165.9
1750.0     1.461    166.6
1751.0     1.413    167.5
1752.0     1.362    168.4
1753.0     1.311    169.3
1754.0     1.258    170.4
1755.0     1.203    171.5
1756.0     1.146    172.8
1757.0     1.087    174.2
1758.0     1.026    175.7
1759.0     0.962    177.5
1760.0     0.895    179.5
1761.0     0.825    181.8
1762.0     0.751    184.6
1763.0     0.672    188.1
1764.0     0.588    192.4
1765.0     0.497    198.4
1766.0     0.399    207.1
1767.0     0.294    221.8
1768.0     0.198    252.1
1769.0     0.174    308.5
1770.0     0.243    351.1
1771.0     0.326     12.9
1772.0     0.400     26.1
1773.0     0.467     35.3
1774.0     0.529     42.3
1775.0     0.587     47.9
1776.0     0.642     52.5
1777.0     0.695     56.3
1778.0     0.746     59.7
1779.0     0.795     62.6
1780.0     0.842     65.2
1781.0     0.889     67.5
1782.0     0.934     69.6
1783.0     0.978     71.5
1784.0     1.021     73.2
1785.0     1.063     74.8
1786.0     1.104     76.3
1787.0     1.145     77.7
1788.0     1.184     79.0
1789.0     1.223     80.1
1790.0     1.262     81.3
1791.0     1.299     82.3
1792.0     1.336     83.3
1793.0     1.373     84.3
1794.0     1.409     85.2
1795.0     1.444     86.0
1796.0     1.479     86.8
1797.0     1.513     87.6
1798.0     1.547     88.3
1799.0     1.581     89.0
1800.0     1.614     89.7
1801.0     1.647     90.4
1802.0     1.679     91.0
1803.0     1.711     91.6
1804.0     1.742     92.2
1805.0     1.773     92.8
1806.0     1.804     93.3
1807.0     1.834     93.8
1808.0     1.864     94.3
1809.0     1.894     94.8
1810.0     1.923     95.3
1811.0     1.952     95.8
1812.0     1.981     96.2
1813.0     2.009     96.6
1814.0     2.037     97.1
1815.0     2.065     97.5
1816.0     2.093     97.9
1817.0     2.120     98.3
1818.0     2.147     98.6
1819.0     2.174     99.0
1820.0     2.200     99.4
1821.0     2.226     99.7
1822.0     2.252    100.1
1823.0     2.278    100.4
1824.0     2.303    100.7
1825.0     2.329    101.1
1826.0     2.354    101.4
1827.0     2.378    101.7
1828.0     2.403    102.0
1829.0     2.427    102.3
1830.0     2.451    102.6
1831.0     2.475    102.9
1832.0     2.499    103.1
1833.0     2.523    103.4
1834.0     2.546    103.7
1835.0     2.569    104.0
1836.0     2.592    104.2
1837.0     2.614    104.5
1838.0     2.637    104.7
1839.0     2.659    105.0
1840.0     2.681    105.2
1841.0     2.703    105.5
1842.0     2.725    105.7
1843.0     2.747    105.9
1844.0     2.768    106.1
1845.0     2.789    106.4
1846.0     2.810    106.6
1847.0     2.831    106.8
1848.0     2.852    107.0
1849.0     2.873    107.2
1850.0     2.893    107.4
1851.0     2.913    107.7
1852.0     2.933    107.9
1853.0     2.953    108.1
1854.0     2.973    108.3
1855.0     2.992    108.4
1856.0     3.012    108.6
1857.0     3.031    108.8
1858.0     3.050    109.0
1859.0     3.069    109.2
1860.0     3.088    109.4
1861.0     3.107    109.6
1862.0     3.125    109.7
1863.0     3.144    109.9
1864.0     3.162    110.1
1865.0     3.180    110.3
1866.0     3.198    110.4
1867.0     3.216    110.6
1868.0     3.234    110.8
1869.0     3.251    110.9
1870.0     3.269    111.1
1871.0     3.286    111.3
1872.0     3.303    111.4
1873.0     3.320    111.6
1874.0     3.337    111.7
1875.0     3.354    111.9
1876.0     3.371    112.0
1877.0     3.387    112.2
1878.0     3.403    112.3
1879.0     3.420    112.5
1880.0     3.436    112.6
1881.0     3.452    112.8
1882.0     3.468    112.9
1883.0     3.484    113.1
1884.0     3.499    113.2
1885.0     3.515    113.4
1886.0     3.530    113.5
1887.0     3.546    113.6
1888.0     3.561    113.8
1889.0     3.576    113.9
1890.0     3.591    114.0
1891.0     3.606    114.2
1892.0     3.620    114.3
1893.0     3.635    114.4
1894.0     3.650    114.6
1895.0     3.664    114.7
1896.0     3.678    114.8
1897.0     3.692    115.0
1898.0     3.706    115.1
1899.0     3.720    115.2
1900.0     3.734    115.3
1901.0     3.748    115.5
1902.0     3.762    115.6
1903.0     3.775    115.7
1904.0     3.789    115.8
1905.0     3.802    115.9
1906.0     3.815    116.1
1907.0     3.828    116.2
1908.0     3.841    116.3
1909.0     3.854    116.4
1910.0     3.867    116.5
1911.0     3.880    116.6
1912.0     3.892    116.8
1913.0     3.905    116.9
1914.0     3.917    117.0
1915.0     3.929    117.1
1916.0     3.942    117.2
1917.0     3.954    117.3
1918.0     3.966    117.4
1919.0     3.978    117.5
1920.0     3.989    117.7
1921.0     4.001    117.8
1922.0     4.013    117.9
1923.0     4.024    118.0
1924.0     4.036    118.1
1925.0     4.047    118.2
1926.0     4.058    118.3
1927.0     4.069    118.4
1928.0     4.080    118.5
1929.0     4.091    118.6
1930.0     4.102    118.7
1931.0     4.113    118.8
1932.0     4.124    118.9
1933.0     4.134    119.0
1934.0     4.145    119.1
1935.0     4.155    119.2
1936.0     4.165    119.3
1937.0     4.175    119.4
1938.0     4.186    119.5
1939.0     4.196    119.6
1940.0     4.206    119.7
1941.0     4.215    119.8
1942.0     4.225    119.9
1943.0     4.235    120.0
1944.0     4.244    120.1
1945.0     4.254    120.2
1946.0     4.263    120.3
1947.0     4.273    120.4
1948.0     4.282    120.5
1949.0     4.291    120.6
1950.0     4.300    120.7
1951.0     4.309    120.8
1952.0     4.318    120.9
1953.0     4.327    121.0
1954.0     4.335    121.0
1955.0     4.344    121.1
1956.0     4.352    121.2
1957.0     4.361    121.3
1958.0     4.369    121.4
1959.0     4.378    121.5
1960.0     4.386    121.6
1961.0     4.394    121.7
1962.0     4.402    121.8
1963.0     4.410    121.9
1964.0     4.418    122.0
1965.0     4.425    122.0
1966.0     4.433    122.1
1967.0     4.441    122.2
1968.0     4.448    122.3
1969.0     4.456    122.4
1970.0     4.463    122.5
1971.0     4.470    122.6
1972.0     4.477    122.7
1973.0     4.485    122.7
1974.0     4.492    122.8
1975.0     4.499    122.9
1976.0     4.505    123.0
1977.0     4.512    123.1
1978.0     4.519    123.2
1979.0     4.526    123.2
1980.0     4.532    123.3
1981.0     4.539    123.4
1982.0     4.545    123.5
1983.0     4.551    123.6
1984.0     4.557    123.7
1985.0     4.564    123.8
1986.0     4.570    123.8
1987.0     4.576    123.9
1988.0     4.581    124.0
1989.0     4.587    124.1
1990.0     4.593    124.2
1991.0     4.599    124.2
1992.0     4.604    124.3
1993.0     4.610    124.4
1994.0     4.615    124.5
1995.0     4.620    124.6
1996.0     4.626    124.7
1997.0     4.631    124.7
1998.0     4.636    124.8
1999.0     4.641    124.9
2000.0     4.646    125.0
2001.0     4.651    125.1
2002.0     4.656    125.1
2003.0     4.660    125.2
2004.0     4.665    125.3
2005.0     4.670    125.4
2006.0     4.674    125.5
2007.0     4.678    125.5
2008.0     4.683    125.6
2009.0     4.687    125.7
2010.0     4.691    125.8
2011.0     4.695    125.9
2012.0     4.699    125.9
2013.0     4.703    126.0
2014.0     4.707    126.1
2015.0     4.711    126.2
2016.0     4.714    126.2
2017.0     4.718    126.3
2018.0     4.722    126.4
2019.0     4.725    126.5
2020.0     4.728    126.6
2021.0     4.732    126.6
2022.0     4.735    126.7
2023.0     4.738    126.8
2024.0     4.741    126.9
2025.0     4.744    126.9
2026.0     4.747    127.0
2027.0     4.750    127.1
2028.0     4.753    127.2
2029.0     4.755    127.2
2030.0     4.758    127.3
2031.0     4.761    127.4
2032.0     4.763    127.5
2033.0     4.765    127.6
2034.0     4.768    127.6
2035.0     4.770    127.7
2036.0     4.772    127.8
2037.0     4.774    127.9
2038.0     4.776    127.9
2039.0     4.778    128.0
2040.0     4.780    128.1
2041.0     4.782    128.2
2042.0     4.783    128.2
2043.0     4.785    128.3
2044.0     4.787    128.4
2045.0     4.788    128.5
2046.0     4.789    128.5
2047.0     4.791    128.6
2048.0     4.792    128.7
2049.0     4.793    128.8
2050.0     4.794    128.8
2051.0     4.795    128.9
2052.0     4.796    129.0
2053.0     4.797    129.1
2054.0     4.798    129.1
2055.0     4.798    129.2
2056.0     4.799    129.3
2057.0     4.799    129.4
2058.0     4.800    129.4
2059.0     4.800    129.5
2060.0     4.800    129.6
2061.0     4.801    129.7
2062.0     4.801    129.7
2063.0     4.801    129.8
2064.0     4.801    129.9
2065.0     4.801    130.0
2066.0     4.801    130.0
2067.0     4.800    130.1
2068.0     4.800    130.2
2069.0     4.800    130.3
2070.0     4.799    130.3
2071.0     4.799    130.4
2072.0     4.798    130.5
2073.0     4.797    130.6
2074.0     4.796    130.6
2075.0     4.795    130.7
2076.0     4.794    130.8
2077.0     4.793    130.9
2078.0     4.792    130.9
2079.0     4.791    131.0
2080.0     4.790    131.1
2081.0     4.788    131.2
2082.0     4.787    131.2
2083.0     4.785    131.3
2084.0     4.784    131.4
2085.0     4.782    131.5
2086.0     4.780    131.6
2087.0     4.779    131.6
2088.0     4.777    131.7
2089.0     4.775    131.8
2090.0     4.772    131.9
2091.0     4.770    131.9
2092.0     4.768    132.0
2093.0     4.766    132.1
2094.0     4.763    132.2
2095.0     4.761    132.2
2096.0     4.758    132.3
2097.0     4.756    132.4
2098.0     4.753    132.5
2099.0     4.750    132.5
2100.0     4.747    132.6
2101.0     4.744    132.7
2102.0     4.741    132.8
2103.0     4.738    132.9
2104.0     4.735    132.9
2105.0     4.731    133.0
2106.0     4.728    133.1
2107.0     4.724    133.2
2108.0     4.721    133.2
2109.0     4.717    133.3
2110.0     4.713    133.4
2111.0     4.710    133.5
2112.0     4.706    133.5
2113.0     4.702    133.6
2114.0     4.697    133.7
2115.0     4.693    133.8
2116.0     4.689    133.9
2117.0     4.685    133.9
2118.0     4.680    134.0
2119.0     4.676    134.1
2120.0     4.671    134.2
2121.0     4.666    134.3
2122.0     4.662    134.3
2123.0     4.657    134.4
2124.0     4.652    134.5
2125.0     4.647    134.6
2126.0     4.642    134.7
2127.0     4.636    134.7
2128.0     4.631    134.8
2129.0     4.626    134.9
2130.0     4.620    135.0
2131.0     4.615    135.1
2132.0     4.609    135.1
2133.0     4.603    135.2
2134.0     4.597    135.3
2135.0     4.591    135.4
2136.0     4.585    135.5
2137.0     4.579    135.6
2138.0     4.573    135.6
2139.0     4.567    135.7
2140.0     4.560    135.8
2141.0     4.554    135.9
2142.0     4.547    136.0
2143.0     4.540    136.1
2144.0     4.534    136.1
2145.0     4.527    136.2
2146.0     4.520    136.3
2147.0     4.513    136.4
2148.0     4.505    136.5
2149.0     4.498    136.6
2150.0     4.491    136.6
2151.0     4.483    136.7
2152.0     4.476    136.8
2153.0     4.468    136.9
2154.0     4.460    137.0
2155.0     4.453    137.1
2156.0     4.445    137.2
2157.0     4.437    137.3
2158.0     4.428    137.3
2159.0     4.420    137.4
2160.0     4.412    137.5
2161.0     4.403    137.6
2162.0     4.395    137.7
2163.0     4.386    137.8
2164.0     4.377    137.9
2165.0     4.368    138.0
2166.0     4.359    138.1
2167.0     4.350    138.2
2168.0     4.341    138.2
2169.0     4.332    138.3
2170.0     4.322    138.4
2171.0     4.313    138.5
2172.0     4.303    138.6
2173.0     4.294    138.7
2174.0     4.284    138.8
2175.0     4.274    138.9
2176.0     4.264    139.0
2177.0     4.254    139.1
2178.0     4.243    139.2
2179.0     4.233    139.3
2180.0     4.222    139.4
2181.0     4.212    139.5
2182.0     4.201    139.6
2183.0     4.190    139.7
2184.0     4.179    139.8
2185.0     4.168    139.9
2186.0     4.157    140.0
2187.0     4.146    140.1
2188.0     4.134    140.2
2189.0     4.122    140.3
2190.0     4.111    140.4
2191.0     4.099    140.5
2192.0     4.087    140.6
2193.0     4.075    140.7
2194.0     4.063    140.8
2195.0     4.051    140.9
2196.0     4.038    141.0
2197.0     4.026    141.1
2198.0     4.013    141.2
2199.0     4.000    141.3
2200.0     3.987    141.4
2201.0     3.974    141.5
2202.0     3.961    141.7
2203.0     3.947    141.8
2204.0     3.934    141.9
2205.0     3.920    142.0
2206.0     3.907    142.1
2207.0     3.893    142.2
2208.0     3.879    142.3
2209.0     3.865    142.4
2210.0     3.850    142.6
2211.0     3.836    142.7
2212.0     3.821    142.8
2213.0     3.806    142.9
2214.0     3.792    143.0
2215.0     3.776    143.2
2216.0     3.761    143.3
2217.0     3.746    143.4
2218.0     3.730    143.5
2219.0     3.715    143.7
2220.0     3.699    143.8
2221.0     3.683    143.9
2222.0     3.667    144.0
2223.0     3.651    144.2
2224.0     3.634    144.3
2225.0     3.618    144.4
2226.0     3.601    144.6
2227.0     3.584    144.7
2228.0     3.567    144.8
2229.0     3.550    145.0
2230.0     3.532    145.1
2231.0     3.514    145.2
2232.0     3.497    145.4
2233.0     3.479    145.5
2234.0     3.461    145.7
2235.0     3.442    145.8
2236.0     3.424    146.0
2237.0     3.405    146.1
2238.0     3.386    146.3
2239.0     3.367    146.4
2240.0     3.348    146.6
2241.0     3.328    146.7
2242.0     3.308    146.9
2243.0     3.289    147.0
2244.0     3.268    147.2
2245.0     3.248    147.4
2246.0     3.228    147.5
2247.0     3.207    147.7
2248.0     3.186    147.9
2249.0     3.165    148.0
2250.0     3.143    148.2
2251.0     3.122    148.4
2252.0     3.100    148.6
2253.0     3.078    148.7
2254.0     3.055    148.9
2255.0     3.033    149.1
2256.0     3.010    149.3
2257.0     2.987    149.5
2258.0     2.963    149.7
2259.0     2.940    149.9
2260.0     2.916    150.1
2261.0     2.892    150.3
2262.0     2.867    150.5
2263.0     2.843    150.7
2264.0     2.817    150.9
2265.0     2.792    151.2
2266.0     2.767    151.4
2267.0     2.741    151.6
2268.0     2.714    151.8
2269.0     2.688    152.1
2270.0     2.661    152.3
2271.0     2.634    152.6
2272.0     2.606    152.8
2273.0     2.578    153.1
2274.0     2.550    153.3
2275.0     2.521    153.6
2276.0     2.492    153.9
2277.0     2.463    154.2
2278.0     2.433    154.5
2279.0     2.403    154.8
2280.0     2.372    155.1
2281.0     2.341    155.4
2282.0     2.310    155.7
2283.0     2.278    156.0
2284.0     2.245    156.4
2285.0     2.212    156.7
2286.0     2.179    157.1
2287.0     2.145    157.4
2288.0     2.110    157.8
2289.0     2.075    158.2
2290.0     2.040    158.6
2291.0     2.003    159.1
2292.0     1.966    159.5
2293.0     1.929    160.0
2294.0     1.891    160.4
2295.0     1.852    160.9
2296.0     1.812    161.4
2297.0     1.771    162.0
2298.0     1.730    162.5
2299.0     1.688    163.1
2300.0     1.644    163.8
2301.0     1.600    164.4





Observation Date:


Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 4.0.


Acknowledgements
The Double Star Calculator makes use of data from the European Space Agency (ESA) mission Gaia, processed by the Gaia Data Processing and Analysis Consortium (DPAC). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. Additionally, it incorporates data from the Washington Double Star Catalog, maintained at the U.S. Naval Observatory, and makes use of the Aladin Sky Atlas developed at CDS, Strasbourg Observatory, France.


Report Information
Double Star Calculator: Version 1.0 ($Rev: 1734 $)
Report created: 2025-12-29 22:49:10 +0100



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