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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:38:25

Orbital Elements for RST1154AB
WDS: RST1154AB WDS ID/Discoverer
P: 500.000 Orbital period (years)
a: 2.46 Semi-major axis (arcseconds)
i: 80.9 Inclination (degrees)
Ω: 250.1 Longitude of ascending node (degrees)
T: 1843.200 Epoch of periastron passage (year)
e: 0.55 Eccentricity
ω: 150.0 Longitude of periastron (degrees)
Start-Year: 1775.0 Year
End-Year: 2275.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST1154AB
Position: 230027.91-261843.3 Epoch-2000 right ascension and declination
WDS-ID: 23005-2619 WDS designation
Discoverer Code: RST1154AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 217379 HD catalog number
Hipparcos number: 113597 Hipparcos catalog number
V1: 10.19 Magnitude of the primary
V2: 10.76 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2015 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for RST1154AB



WDS 6th Orbit including measures of RST1154AB

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


Ephemeris of RST1154AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     2.461    240.2
-------------------------
1775.0     1.831    256.5
1776.0     1.800    256.7
1777.0     1.768    256.8
1778.0     1.736    257.0
1779.0     1.703    257.2
1780.0     1.670    257.4
1781.0     1.637    257.6
1782.0     1.604    257.9
1783.0     1.570    258.1
1784.0     1.535    258.3
1785.0     1.501    258.6
1786.0     1.465    258.8
1787.0     1.430    259.1
1788.0     1.394    259.4
1789.0     1.358    259.7
1790.0     1.321    260.0
1791.0     1.284    260.4
1792.0     1.246    260.7
1793.0     1.209    261.1
1794.0     1.170    261.5
1795.0     1.132    261.9
1796.0     1.093    262.4
1797.0     1.054    262.9
1798.0     1.014    263.4
1799.0     0.974    264.0
1800.0     0.934    264.7
1801.0     0.893    265.3
1802.0     0.853    266.1
1803.0     0.812    266.9
1804.0     0.770    267.9
1805.0     0.729    268.9
1806.0     0.687    270.0
1807.0     0.646    271.3
1808.0     0.604    272.8
1809.0     0.562    274.5
1810.0     0.521    276.5
1811.0     0.480    278.8
1812.0     0.440    281.5
1813.0     0.400    284.8
1814.0     0.362    288.7
1815.0     0.326    293.6
1816.0     0.292    299.7
1817.0     0.263    307.2
1818.0     0.238    316.4
1819.0     0.221    327.4
1820.0     0.213    339.7
1821.0     0.215    352.4
1822.0     0.227      4.3
1823.0     0.247     14.6
1824.0     0.274     23.2
1825.0     0.305     30.1
1826.0     0.340     35.6
1827.0     0.376     40.1
1828.0     0.415     43.8
1829.0     0.454     46.9
1830.0     0.493     49.4
1831.0     0.533     51.6
1832.0     0.573     53.5
1833.0     0.612     55.2
1834.0     0.651     56.6
1835.0     0.689     57.9
1836.0     0.726     59.0
1837.0     0.763     60.1
1838.0     0.798     61.0
1839.0     0.833     61.9
1840.0     0.866     62.7
1841.0     0.898     63.4
1842.0     0.928     64.1
1843.0     0.957     64.8
1844.0     0.984     65.4
1845.0     1.010     65.9
1846.0     1.034     66.5
1847.0     1.057     67.0
1848.0     1.078     67.5
1849.0     1.097     68.0
1850.0     1.114     68.5
1851.0     1.129     68.9
1852.0     1.143     69.4
1853.0     1.155     69.8
1854.0     1.166     70.3
1855.0     1.175     70.7
1856.0     1.182     71.1
1857.0     1.187     71.5
1858.0     1.191     71.9
1859.0     1.194     72.3
1860.0     1.195     72.7
1861.0     1.194     73.1
1862.0     1.193     73.5
1863.0     1.189     73.9
1864.0     1.185     74.3
1865.0     1.180     74.7
1866.0     1.173     75.2
1867.0     1.165     75.6
1868.0     1.157     76.0
1869.0     1.147     76.4
1870.0     1.136     76.9
1871.0     1.125     77.3
1872.0     1.112     77.8
1873.0     1.099     78.3
1874.0     1.085     78.7
1875.0     1.071     79.2
1876.0     1.055     79.8
1877.0     1.040     80.3
1878.0     1.023     80.8
1879.0     1.006     81.4
1880.0     0.989     82.0
1881.0     0.971     82.6
1882.0     0.953     83.2
1883.0     0.934     83.8
1884.0     0.915     84.5
1885.0     0.895     85.2
1886.0     0.876     85.9
1887.0     0.856     86.7
1888.0     0.836     87.5
1889.0     0.816     88.4
1890.0     0.795     89.2
1891.0     0.775     90.2
1892.0     0.754     91.2
1893.0     0.733     92.2
1894.0     0.713     93.3
1895.0     0.692     94.5
1896.0     0.671     95.7
1897.0     0.651     97.0
1898.0     0.631     98.4
1899.0     0.611     99.9
1900.0     0.591    101.5
1901.0     0.571    103.2
1902.0     0.552    105.0
1903.0     0.533    107.0
1904.0     0.515    109.1
1905.0     0.498    111.3
1906.0     0.481    113.7
1907.0     0.465    116.3
1908.0     0.450    119.1
1909.0     0.436    122.0
1910.0     0.422    125.1
1911.0     0.411    128.5
1912.0     0.400    132.0
1913.0     0.391    135.6
1914.0     0.384    139.5
1915.0     0.378    143.4
1916.0     0.375    147.5
1917.0     0.373    151.6
1918.0     0.372    155.8
1919.0     0.374    159.9
1920.0     0.378    164.0
1921.0     0.383    168.0
1922.0     0.390    171.8
1923.0     0.399    175.5
1924.0     0.410    179.0
1925.0     0.421    182.4
1926.0     0.434    185.5
1927.0     0.448    188.5
1928.0     0.464    191.3
1929.0     0.480    193.8
1930.0     0.497    196.3
1931.0     0.515    198.5
1932.0     0.533    200.6
1933.0     0.552    202.6
1934.0     0.572    204.4
1935.0     0.592    206.1
1936.0     0.612    207.7
1937.0     0.633    209.2
1938.0     0.654    210.6
1939.0     0.675    211.9
1940.0     0.697    213.1
1941.0     0.719    214.2
1942.0     0.741    215.3
1943.0     0.763    216.3
1944.0     0.785    217.3
1945.0     0.808    218.2
1946.0     0.830    219.1
1947.0     0.853    219.9
1948.0     0.876    220.6
1949.0     0.899    221.4
1950.0     0.921    222.1
1951.0     0.944    222.7
1952.0     0.967    223.4
1953.0     0.990    224.0
1954.0     1.013    224.5
1955.0     1.036    225.1
1956.0     1.059    225.6
1957.0     1.082    226.1
1958.0     1.105    226.6
1959.0     1.128    227.1
1960.0     1.150    227.5
1961.0     1.173    227.9
1962.0     1.196    228.3
1963.0     1.219    228.7
1964.0     1.241    229.1
1965.0     1.264    229.5
1966.0     1.287    229.8
1967.0     1.309    230.2
1968.0     1.332    230.5
1969.0     1.354    230.8
1970.0     1.376    231.1
1971.0     1.398    231.4
1972.0     1.421    231.7
1973.0     1.443    232.0
1974.0     1.465    232.3
1975.0     1.487    232.5
1976.0     1.509    232.8
1977.0     1.530    233.0
1978.0     1.552    233.3
1979.0     1.574    233.5
1980.0     1.595    233.7
1981.0     1.617    234.0
1982.0     1.638    234.2
1983.0     1.659    234.4
1984.0     1.681    234.6
1985.0     1.702    234.8
1986.0     1.723    235.0
1987.0     1.744    235.2
1988.0     1.764    235.4
1989.0     1.785    235.6
1990.0     1.806    235.7
1991.0     1.826    235.9
1992.0     1.847    236.1
1993.0     1.867    236.3
1994.0     1.887    236.4
1995.0     1.907    236.6
1996.0     1.927    236.7
1997.0     1.947    236.9
1998.0     1.967    237.0
1999.0     1.987    237.2
2000.0     2.006    237.3
2001.0     2.026    237.5
2002.0     2.045    237.6
2003.0     2.065    237.7
2004.0     2.084    237.9
2005.0     2.103    238.0
2006.0     2.122    238.1
2007.0     2.141    238.3
2008.0     2.159    238.4
2009.0     2.178    238.5
2010.0     2.197    238.6
2011.0     2.215    238.8
2012.0     2.233    238.9
2013.0     2.251    239.0
2014.0     2.270    239.1
2015.0     2.287    239.2
2016.0     2.305    239.3
2017.0     2.323    239.4
2018.0     2.341    239.5
2019.0     2.358    239.6
2020.0     2.376    239.7
2021.0     2.393    239.8
2022.0     2.410    239.9
2023.0     2.427    240.0
2024.0     2.444    240.1
2025.0     2.461    240.2
2026.0     2.478    240.3
2027.0     2.494    240.4
2028.0     2.511    240.5
2029.0     2.527    240.6
2030.0     2.543    240.7
2031.0     2.559    240.8
2032.0     2.575    240.9
2033.0     2.591    241.0
2034.0     2.607    241.0
2035.0     2.622    241.1
2036.0     2.638    241.2
2037.0     2.653    241.3
2038.0     2.669    241.4
2039.0     2.684    241.5
2040.0     2.699    241.5
2041.0     2.714    241.6
2042.0     2.729    241.7
2043.0     2.743    241.8
2044.0     2.758    241.8
2045.0     2.772    241.9
2046.0     2.786    242.0
2047.0     2.801    242.1
2048.0     2.815    242.1
2049.0     2.829    242.2
2050.0     2.842    242.3
2051.0     2.856    242.4
2052.0     2.870    242.4
2053.0     2.883    242.5
2054.0     2.896    242.6
2055.0     2.910    242.6
2056.0     2.923    242.7
2057.0     2.936    242.8
2058.0     2.948    242.8
2059.0     2.961    242.9
2060.0     2.974    243.0
2061.0     2.986    243.0
2062.0     2.998    243.1
2063.0     3.010    243.2
2064.0     3.022    243.2
2065.0     3.034    243.3
2066.0     3.046    243.3
2067.0     3.058    243.4
2068.0     3.069    243.5
2069.0     3.081    243.5
2070.0     3.092    243.6
2071.0     3.103    243.6
2072.0     3.114    243.7
2073.0     3.125    243.8
2074.0     3.136    243.8
2075.0     3.146    243.9
2076.0     3.157    243.9
2077.0     3.167    244.0
2078.0     3.177    244.1
2079.0     3.187    244.1
2080.0     3.197    244.2
2081.0     3.207    244.2
2082.0     3.217    244.3
2083.0     3.226    244.3
2084.0     3.236    244.4
2085.0     3.245    244.4
2086.0     3.254    244.5
2087.0     3.263    244.6
2088.0     3.272    244.6
2089.0     3.281    244.7
2090.0     3.289    244.7
2091.0     3.298    244.8
2092.0     3.306    244.8
2093.0     3.314    244.9
2094.0     3.322    244.9
2095.0     3.330    245.0
2096.0     3.338    245.0
2097.0     3.346    245.1
2098.0     3.353    245.1
2099.0     3.360    245.2
2100.0     3.368    245.2
2101.0     3.375    245.3
2102.0     3.382    245.3
2103.0     3.388    245.4
2104.0     3.395    245.4
2105.0     3.402    245.5
2106.0     3.408    245.5
2107.0     3.414    245.6
2108.0     3.420    245.6
2109.0     3.426    245.7
2110.0     3.432    245.7
2111.0     3.438    245.8
2112.0     3.443    245.8
2113.0     3.448    245.9
2114.0     3.454    245.9
2115.0     3.459    246.0
2116.0     3.464    246.0
2117.0     3.468    246.1
2118.0     3.473    246.1
2119.0     3.478    246.2
2120.0     3.482    246.2
2121.0     3.486    246.3
2122.0     3.490    246.3
2123.0     3.494    246.4
2124.0     3.498    246.4
2125.0     3.501    246.4
2126.0     3.505    246.5
2127.0     3.508    246.5
2128.0     3.511    246.6
2129.0     3.514    246.6
2130.0     3.517    246.7
2131.0     3.519    246.7
2132.0     3.522    246.8
2133.0     3.524    246.8
2134.0     3.527    246.9
2135.0     3.529    246.9
2136.0     3.530    247.0
2137.0     3.532    247.0
2138.0     3.534    247.1
2139.0     3.535    247.1
2140.0     3.536    247.1
2141.0     3.537    247.2
2142.0     3.538    247.2
2143.0     3.539    247.3
2144.0     3.540    247.3
2145.0     3.540    247.4
2146.0     3.540    247.4
2147.0     3.541    247.5
2148.0     3.540    247.5
2149.0     3.540    247.6
2150.0     3.540    247.6
2151.0     3.539    247.6
2152.0     3.539    247.7
2153.0     3.538    247.7
2154.0     3.537    247.8
2155.0     3.535    247.8
2156.0     3.534    247.9
2157.0     3.533    247.9
2158.0     3.531    248.0
2159.0     3.529    248.0
2160.0     3.527    248.1
2161.0     3.525    248.1
2162.0     3.522    248.2
2163.0     3.520    248.2
2164.0     3.517    248.2
2165.0     3.514    248.3
2166.0     3.511    248.3
2167.0     3.507    248.4
2168.0     3.504    248.4
2169.0     3.500    248.5
2170.0     3.496    248.5
2171.0     3.492    248.6
2172.0     3.488    248.6
2173.0     3.484    248.7
2174.0     3.479    248.7
2175.0     3.474    248.8
2176.0     3.469    248.8
2177.0     3.464    248.9
2178.0     3.459    248.9
2179.0     3.453    249.0
2180.0     3.448    249.0
2181.0     3.442    249.1
2182.0     3.436    249.1
2183.0     3.429    249.2
2184.0     3.423    249.2
2185.0     3.416    249.3
2186.0     3.409    249.3
2187.0     3.402    249.4
2188.0     3.395    249.4
2189.0     3.388    249.5
2190.0     3.380    249.5
2191.0     3.372    249.6
2192.0     3.364    249.6
2193.0     3.356    249.7
2194.0     3.347    249.7
2195.0     3.339    249.8
2196.0     3.330    249.8
2197.0     3.321    249.9
2198.0     3.311    249.9
2199.0     3.302    250.0
2200.0     3.292    250.0
2201.0     3.282    250.1
2202.0     3.272    250.1
2203.0     3.261    250.2
2204.0     3.251    250.2
2205.0     3.240    250.3
2206.0     3.229    250.3
2207.0     3.218    250.4
2208.0     3.206    250.5
2209.0     3.195    250.5
2210.0     3.183    250.6
2211.0     3.170    250.6
2212.0     3.158    250.7
2213.0     3.145    250.7
2214.0     3.133    250.8
2215.0     3.119    250.9
2216.0     3.106    250.9
2217.0     3.093    251.0
2218.0     3.079    251.0
2219.0     3.065    251.1
2220.0     3.050    251.2
2221.0     3.036    251.2
2222.0     3.021    251.3
2223.0     3.006    251.3
2224.0     2.991    251.4
2225.0     2.975    251.5
2226.0     2.959    251.5
2227.0     2.943    251.6
2228.0     2.927    251.7
2229.0     2.911    251.7
2230.0     2.894    251.8
2231.0     2.877    251.9
2232.0     2.859    251.9
2233.0     2.842    252.0
2234.0     2.824    252.1
2235.0     2.806    252.2
2236.0     2.787    252.2
2237.0     2.769    252.3
2238.0     2.750    252.4
2239.0     2.730    252.5
2240.0     2.711    252.5
2241.0     2.691    252.6
2242.0     2.671    252.7
2243.0     2.650    252.8
2244.0     2.630    252.9
2245.0     2.609    252.9
2246.0     2.588    253.0
2247.0     2.566    253.1
2248.0     2.544    253.2
2249.0     2.522    253.3
2250.0     2.499    253.4
2251.0     2.477    253.5
2252.0     2.454    253.6
2253.0     2.430    253.7
2254.0     2.406    253.8
2255.0     2.382    253.9
2256.0     2.358    254.0
2257.0     2.333    254.1
2258.0     2.308    254.2
2259.0     2.283    254.3
2260.0     2.257    254.4
2261.0     2.231    254.5
2262.0     2.205    254.6
2263.0     2.178    254.8
2264.0     2.151    254.9
2265.0     2.124    255.0
2266.0     2.096    255.1
2267.0     2.068    255.3
2268.0     2.040    255.4
2269.0     2.011    255.5
2270.0     1.982    255.7
2271.0     1.952    255.8
2272.0     1.923    256.0
2273.0     1.892    256.2
2274.0     1.862    256.3






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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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