Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:14:43

Orbital Elements for STF728
WDS: STF728 WDS ID/Discoverer
P: 613.690 Orbital period (years)
a: 1.604 Semi-major axis (arcseconds)
i: 96.6 Inclination (degrees)
Ω: 217.1 Longitude of ascending node (degrees)
T: 2297.030 Epoch of periastron passage (year)
e: 0.221 Eccentricity
ω: 302.5 Longitude of periastron (degrees)
Start-Year: 1719.0 Year
End-Year: 2331.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STF728
Position: 053047.06+055653.3 Epoch-2000 right ascension and declination
WDS-ID: 05308+0557 WDS designation
Discoverer Code: STF728 Discover designation and components
ADS number: 4115 Aitken Double Star catalog
HD number: 36267 HD catalog number
Hipparcos number: 25813 Hipparcos catalog number
V1: 4.44 Magnitude of the primary
V2: 5.75 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1998 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for STF728



WDS 6th Orbit including measures of STF728

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


Ephemeris of STF728
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     1.405     43.4
-------------------------
1719.0     1.172    220.1
1720.0     1.182    220.0
1721.0     1.192    219.9
1722.0     1.201    219.7
1723.0     1.210    219.6
1724.0     1.219    219.5
1725.0     1.228    219.4
1726.0     1.237    219.3
1727.0     1.245    219.2
1728.0     1.253    219.1
1729.0     1.261    219.0
1730.0     1.268    218.9
1731.0     1.276    218.8
1732.0     1.283    218.6
1733.0     1.289    218.5
1734.0     1.296    218.4
1735.0     1.302    218.3
1736.0     1.308    218.2
1737.0     1.314    218.1
1738.0     1.320    218.1
1739.0     1.325    218.0
1740.0     1.330    217.9
1741.0     1.335    217.8
1742.0     1.340    217.7
1743.0     1.345    217.6
1744.0     1.349    217.5
1745.0     1.353    217.4
1746.0     1.356    217.3
1747.0     1.360    217.2
1748.0     1.363    217.1
1749.0     1.366    217.0
1750.0     1.369    216.9
1751.0     1.372    216.8
1752.0     1.374    216.8
1753.0     1.376    216.7
1754.0     1.378    216.6
1755.0     1.380    216.5
1756.0     1.381    216.4
1757.0     1.383    216.3
1758.0     1.384    216.2
1759.0     1.385    216.1
1760.0     1.385    216.0
1761.0     1.386    216.0
1762.0     1.386    215.9
1763.0     1.386    215.8
1764.0     1.385    215.7
1765.0     1.385    215.6
1766.0     1.384    215.5
1767.0     1.384    215.4
1768.0     1.383    215.3
1769.0     1.381    215.2
1770.0     1.380    215.2
1771.0     1.378    215.1
1772.0     1.376    215.0
1773.0     1.374    214.9
1774.0     1.372    214.8
1775.0     1.370    214.7
1776.0     1.367    214.6
1777.0     1.364    214.5
1778.0     1.361    214.4
1779.0     1.358    214.3
1780.0     1.355    214.3
1781.0     1.351    214.2
1782.0     1.347    214.1
1783.0     1.344    214.0
1784.0     1.340    213.9
1785.0     1.335    213.8
1786.0     1.331    213.7
1787.0     1.326    213.6
1788.0     1.322    213.5
1789.0     1.317    213.4
1790.0     1.312    213.3
1791.0     1.306    213.2
1792.0     1.301    213.1
1793.0     1.296    213.0
1794.0     1.290    212.9
1795.0     1.284    212.8
1796.0     1.278    212.7
1797.0     1.272    212.6
1798.0     1.266    212.5
1799.0     1.259    212.4
1800.0     1.253    212.3
1801.0     1.246    212.2
1802.0     1.239    212.1
1803.0     1.232    211.9
1804.0     1.225    211.8
1805.0     1.218    211.7
1806.0     1.210    211.6
1807.0     1.203    211.5
1808.0     1.195    211.4
1809.0     1.187    211.3
1810.0     1.179    211.1
1811.0     1.171    211.0
1812.0     1.163    210.9
1813.0     1.155    210.8
1814.0     1.146    210.6
1815.0     1.138    210.5
1816.0     1.129    210.4
1817.0     1.121    210.2
1818.0     1.112    210.1
1819.0     1.103    210.0
1820.0     1.094    209.8
1821.0     1.085    209.7
1822.0     1.075    209.5
1823.0     1.066    209.4
1824.0     1.057    209.2
1825.0     1.047    209.1
1826.0     1.037    208.9
1827.0     1.028    208.8
1828.0     1.018    208.6
1829.0     1.008    208.4
1830.0     0.998    208.3
1831.0     0.988    208.1
1832.0     0.978    207.9
1833.0     0.967    207.8
1834.0     0.957    207.6
1835.0     0.946    207.4
1836.0     0.936    207.2
1837.0     0.925    207.0
1838.0     0.915    206.8
1839.0     0.904    206.6
1840.0     0.893    206.4
1841.0     0.882    206.2
1842.0     0.871    205.9
1843.0     0.860    205.7
1844.0     0.849    205.5
1845.0     0.838    205.3
1846.0     0.827    205.0
1847.0     0.816    204.8
1848.0     0.805    204.5
1849.0     0.793    204.2
1850.0     0.782    204.0
1851.0     0.770    203.7
1852.0     0.759    203.4
1853.0     0.747    203.1
1854.0     0.736    202.8
1855.0     0.724    202.5
1856.0     0.713    202.1
1857.0     0.701    201.8
1858.0     0.689    201.5
1859.0     0.678    201.1
1860.0     0.666    200.7
1861.0     0.654    200.3
1862.0     0.642    199.9
1863.0     0.630    199.5
1864.0     0.619    199.1
1865.0     0.607    198.6
1866.0     0.595    198.2
1867.0     0.583    197.7
1868.0     0.571    197.2
1869.0     0.559    196.6
1870.0     0.547    196.1
1871.0     0.536    195.5
1872.0     0.524    194.9
1873.0     0.512    194.3
1874.0     0.500    193.6
1875.0     0.488    192.9
1876.0     0.477    192.2
1877.0     0.465    191.4
1878.0     0.453    190.6
1879.0     0.442    189.8
1880.0     0.430    188.9
1881.0     0.419    187.9
1882.0     0.408    187.0
1883.0     0.396    185.9
1884.0     0.385    184.8
1885.0     0.374    183.6
1886.0     0.364    182.4
1887.0     0.353    181.1
1888.0     0.342    179.7
1889.0     0.332    178.2
1890.0     0.322    176.6
1891.0     0.312    174.9
1892.0     0.302    173.1
1893.0     0.293    171.2
1894.0     0.284    169.2
1895.0     0.276    167.0
1896.0     0.267    164.7
1897.0     0.260    162.3
1898.0     0.252    159.7
1899.0     0.246    157.0
1900.0     0.239    154.1
1901.0     0.234    151.1
1902.0     0.229    147.9
1903.0     0.225    144.6
1904.0     0.221    141.2
1905.0     0.219    137.7
1906.0     0.217    134.1
1907.0     0.216    130.5
1908.0     0.216    126.9
1909.0     0.216    123.2
1910.0     0.218    119.6
1911.0     0.220    116.1
1912.0     0.223    112.7
1913.0     0.227    109.3
1914.0     0.232    106.1
1915.0     0.237    103.0
1916.0     0.243    100.1
1917.0     0.250     97.3
1918.0     0.257     94.7
1919.0     0.265     92.2
1920.0     0.273     89.9
1921.0     0.281     87.7
1922.0     0.290     85.6
1923.0     0.299     83.7
1924.0     0.309     81.8
1925.0     0.319     80.1
1926.0     0.329     78.5
1927.0     0.339     77.0
1928.0     0.350     75.5
1929.0     0.360     74.2
1930.0     0.371     72.9
1931.0     0.382     71.7
1932.0     0.393     70.6
1933.0     0.404     69.6
1934.0     0.416     68.5
1935.0     0.427     67.6
1936.0     0.439     66.7
1937.0     0.450     65.8
1938.0     0.462     65.0
1939.0     0.473     64.2
1940.0     0.485     63.5
1941.0     0.497     62.8
1942.0     0.509     62.1
1943.0     0.521     61.5
1944.0     0.533     60.9
1945.0     0.545     60.3
1946.0     0.557     59.7
1947.0     0.569     59.2
1948.0     0.581     58.7
1949.0     0.593     58.2
1950.0     0.605     57.7
1951.0     0.617     57.3
1952.0     0.629     56.8
1953.0     0.641     56.4
1954.0     0.653     56.0
1955.0     0.665     55.6
1956.0     0.677     55.3
1957.0     0.689     54.9
1958.0     0.701     54.5
1959.0     0.713     54.2
1960.0     0.725     53.9
1961.0     0.736     53.6
1962.0     0.748     53.3
1963.0     0.760     53.0
1964.0     0.772     52.7
1965.0     0.784     52.4
1966.0     0.796     52.1
1967.0     0.807     51.9
1968.0     0.819     51.6
1969.0     0.831     51.3
1970.0     0.843     51.1
1971.0     0.854     50.9
1972.0     0.866     50.6
1973.0     0.877     50.4
1974.0     0.889     50.2
1975.0     0.900     50.0
1976.0     0.912     49.8
1977.0     0.923     49.6
1978.0     0.935     49.4
1979.0     0.946     49.2
1980.0     0.957     49.0
1981.0     0.968     48.8
1982.0     0.980     48.6
1983.0     0.991     48.5
1984.0     1.002     48.3
1985.0     1.013     48.1
1986.0     1.024     48.0
1987.0     1.035     47.8
1988.0     1.046     47.7
1989.0     1.057     47.5
1990.0     1.067     47.4
1991.0     1.078     47.2
1992.0     1.089     47.1
1993.0     1.099     46.9
1994.0     1.110     46.8
1995.0     1.120     46.6
1996.0     1.131     46.5
1997.0     1.141     46.4
1998.0     1.152     46.3
1999.0     1.162     46.1
2000.0     1.172     46.0
2001.0     1.182     45.9
2002.0     1.192     45.8
2003.0     1.202     45.6
2004.0     1.212     45.5
2005.0     1.222     45.4
2006.0     1.232     45.3
2007.0     1.242     45.2
2008.0     1.251     45.1
2009.0     1.261     45.0
2010.0     1.270     44.9
2011.0     1.280     44.8
2012.0     1.289     44.7
2013.0     1.299     44.6
2014.0     1.308     44.5
2015.0     1.317     44.4
2016.0     1.326     44.3
2017.0     1.335     44.2
2018.0     1.344     44.1
2019.0     1.353     44.0
2020.0     1.362     43.9
2021.0     1.371     43.8
2022.0     1.379     43.7
2023.0     1.388     43.6
2024.0     1.396     43.5
2025.0     1.405     43.4
2026.0     1.413     43.4
2027.0     1.422     43.3
2028.0     1.430     43.2
2029.0     1.438     43.1
2030.0     1.446     43.0
2031.0     1.454     43.0
2032.0     1.462     42.9
2033.0     1.469     42.8
2034.0     1.477     42.7
2035.0     1.485     42.6
2036.0     1.492     42.6
2037.0     1.500     42.5
2038.0     1.507     42.4
2039.0     1.514     42.3
2040.0     1.521     42.3
2041.0     1.529     42.2
2042.0     1.536     42.1
2043.0     1.542     42.0
2044.0     1.549     42.0
2045.0     1.556     41.9
2046.0     1.563     41.8
2047.0     1.569     41.8
2048.0     1.576     41.7
2049.0     1.582     41.6
2050.0     1.588     41.6
2051.0     1.594     41.5
2052.0     1.600     41.4
2053.0     1.606     41.4
2054.0     1.612     41.3
2055.0     1.618     41.2
2056.0     1.624     41.2
2057.0     1.629     41.1
2058.0     1.635     41.0
2059.0     1.640     41.0
2060.0     1.645     40.9
2061.0     1.650     40.9
2062.0     1.655     40.8
2063.0     1.660     40.7
2064.0     1.665     40.7
2065.0     1.670     40.6
2066.0     1.675     40.5
2067.0     1.679     40.5
2068.0     1.684     40.4
2069.0     1.688     40.4
2070.0     1.692     40.3
2071.0     1.696     40.3
2072.0     1.700     40.2
2073.0     1.704     40.1
2074.0     1.708     40.1
2075.0     1.712     40.0
2076.0     1.715     40.0
2077.0     1.719     39.9
2078.0     1.722     39.8
2079.0     1.725     39.8
2080.0     1.728     39.7
2081.0     1.731     39.7
2082.0     1.734     39.6
2083.0     1.737     39.6
2084.0     1.739     39.5
2085.0     1.742     39.5
2086.0     1.744     39.4
2087.0     1.747     39.3
2088.0     1.749     39.3
2089.0     1.751     39.2
2090.0     1.753     39.2
2091.0     1.755     39.1
2092.0     1.756     39.1
2093.0     1.758     39.0
2094.0     1.759     39.0
2095.0     1.761     38.9
2096.0     1.762     38.8
2097.0     1.763     38.8
2098.0     1.764     38.7
2099.0     1.765     38.7
2100.0     1.765     38.6
2101.0     1.766     38.6
2102.0     1.766     38.5
2103.0     1.767     38.5
2104.0     1.767     38.4
2105.0     1.767     38.4
2106.0     1.767     38.3
2107.0     1.766     38.2
2108.0     1.766     38.2
2109.0     1.766     38.1
2110.0     1.765     38.1
2111.0     1.764     38.0
2112.0     1.763     38.0
2113.0     1.762     37.9
2114.0     1.761     37.9
2115.0     1.760     37.8
2116.0     1.759     37.8
2117.0     1.757     37.7
2118.0     1.755     37.7
2119.0     1.754     37.6
2120.0     1.752     37.5
2121.0     1.750     37.5
2122.0     1.747     37.4
2123.0     1.745     37.4
2124.0     1.742     37.3
2125.0     1.740     37.3
2126.0     1.737     37.2
2127.0     1.734     37.2
2128.0     1.731     37.1
2129.0     1.728     37.0
2130.0     1.724     37.0
2131.0     1.721     36.9
2132.0     1.717     36.9
2133.0     1.713     36.8
2134.0     1.709     36.8
2135.0     1.705     36.7
2136.0     1.701     36.6
2137.0     1.697     36.6
2138.0     1.692     36.5
2139.0     1.687     36.5
2140.0     1.683     36.4
2141.0     1.678     36.3
2142.0     1.673     36.3
2143.0     1.667     36.2
2144.0     1.662     36.2
2145.0     1.656     36.1
2146.0     1.651     36.0
2147.0     1.645     36.0
2148.0     1.639     35.9
2149.0     1.632     35.8
2150.0     1.626     35.8
2151.0     1.620     35.7
2152.0     1.613     35.7
2153.0     1.606     35.6
2154.0     1.599     35.5
2155.0     1.592     35.5
2156.0     1.585     35.4
2157.0     1.578     35.3
2158.0     1.570     35.3
2159.0     1.562     35.2
2160.0     1.554     35.1
2161.0     1.546     35.0
2162.0     1.538     35.0
2163.0     1.530     34.9
2164.0     1.521     34.8
2165.0     1.513     34.8
2166.0     1.504     34.7
2167.0     1.495     34.6
2168.0     1.486     34.5
2169.0     1.477     34.5
2170.0     1.467     34.4
2171.0     1.458     34.3
2172.0     1.448     34.2
2173.0     1.438     34.1
2174.0     1.428     34.0
2175.0     1.418     34.0
2176.0     1.407     33.9
2177.0     1.397     33.8
2178.0     1.386     33.7
2179.0     1.375     33.6
2180.0     1.364     33.5
2181.0     1.353     33.4
2182.0     1.342     33.3
2183.0     1.331     33.2
2184.0     1.319     33.2
2185.0     1.307     33.1
2186.0     1.295     33.0
2187.0     1.283     32.9
2188.0     1.271     32.7
2189.0     1.259     32.6
2190.0     1.246     32.5
2191.0     1.233     32.4
2192.0     1.221     32.3
2193.0     1.208     32.2
2194.0     1.195     32.1
2195.0     1.181     32.0
2196.0     1.168     31.8
2197.0     1.154     31.7
2198.0     1.141     31.6
2199.0     1.127     31.5
2200.0     1.113     31.3
2201.0     1.099     31.2
2202.0     1.084     31.0
2203.0     1.070     30.9
2204.0     1.055     30.7
2205.0     1.041     30.6
2206.0     1.026     30.4
2207.0     1.011     30.3
2208.0     0.996     30.1
2209.0     0.980     29.9
2210.0     0.965     29.7
2211.0     0.949     29.6
2212.0     0.934     29.4
2213.0     0.918     29.2
2214.0     0.902     29.0
2215.0     0.886     28.8
2216.0     0.870     28.5
2217.0     0.854     28.3
2218.0     0.837     28.1
2219.0     0.821     27.8
2220.0     0.804     27.6
2221.0     0.788     27.3
2222.0     0.771     27.0
2223.0     0.754     26.7
2224.0     0.737     26.4
2225.0     0.720     26.1
2226.0     0.703     25.8
2227.0     0.685     25.4
2228.0     0.668     25.1
2229.0     0.650     24.7
2230.0     0.633     24.3
2231.0     0.615     23.8
2232.0     0.598     23.4
2233.0     0.580     22.9
2234.0     0.562     22.4
2235.0     0.544     21.8
2236.0     0.526     21.2
2237.0     0.508     20.6
2238.0     0.490     19.9
2239.0     0.472     19.2
2240.0     0.455     18.4
2241.0     0.437     17.5
2242.0     0.419     16.6
2243.0     0.401     15.6
2244.0     0.383     14.5
2245.0     0.365     13.3
2246.0     0.348     11.9
2247.0     0.330     10.5
2248.0     0.313      8.8
2249.0     0.296      7.0
2250.0     0.279      5.0
2251.0     0.263      2.6
2252.0     0.247      0.0
2253.0     0.231    357.1
2254.0     0.216    353.7
2255.0     0.202    349.8
2256.0     0.189    345.4
2257.0     0.178    340.4
2258.0     0.167    334.7
2259.0     0.159    328.3
2260.0     0.153    321.3
2261.0     0.149    313.9
2262.0     0.148    306.2
2263.0     0.149    298.5
2264.0     0.153    291.1
2265.0     0.160    284.1
2266.0     0.168    277.8
2267.0     0.178    272.2
2268.0     0.190    267.2
2269.0     0.203    262.8
2270.0     0.217    259.0
2271.0     0.232    255.6
2272.0     0.248    252.6
2273.0     0.264    250.1
2274.0     0.280    247.8
2275.0     0.297    245.7
2276.0     0.314    243.9
2277.0     0.331    242.3
2278.0     0.349    240.8
2279.0     0.366    239.5
2280.0     0.384    238.3
2281.0     0.401    237.2
2282.0     0.419    236.2
2283.0     0.437    235.3
2284.0     0.455    234.4
2285.0     0.473    233.6
2286.0     0.490    232.9
2287.0     0.508    232.2
2288.0     0.526    231.6
2289.0     0.544    231.0
2290.0     0.561    230.4
2291.0     0.579    229.9
2292.0     0.596    229.4
2293.0     0.613    229.0
2294.0     0.631    228.5
2295.0     0.648    228.1
2296.0     0.665    227.7
2297.0     0.682    227.3
2298.0     0.698    227.0
2299.0     0.715    226.6
2300.0     0.732    226.3
2301.0     0.748    226.0
2302.0     0.764    225.7
2303.0     0.780    225.4
2304.0     0.796    225.2
2305.0     0.812    224.9
2306.0     0.828    224.6
2307.0     0.843    224.4
2308.0     0.858    224.2
2309.0     0.873    223.9
2310.0     0.888    223.7
2311.0     0.903    223.5
2312.0     0.918    223.3
2313.0     0.932    223.1
2314.0     0.946    222.9
2315.0     0.960    222.7
2316.0     0.974    222.6
2317.0     0.987    222.4
2318.0     1.001    222.2
2319.0     1.014    222.0
2320.0     1.027    221.9
2321.0     1.040    221.7
2322.0     1.052    221.6
2323.0     1.065    221.4
2324.0     1.077    221.3
2325.0     1.089    221.1
2326.0     1.100    221.0
2327.0     1.112    220.8
2328.0     1.123    220.7
2329.0     1.134    220.6
2330.0     1.145    220.4






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0.


Acknowledgements
The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory.


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