Double Star Calculator - Orbit

Orbital Elements for RST2272
WDS: RST2272 WDS ID/Discoverer
P: 415.000 Orbital period (years)
a: 1.659 Semi-major axis (arcseconds)
i: 36.0 Inclination (degrees)
Ω: 301.3 Longitude of ascending node (degrees)
T: 2327.570 Epoch of periastron passage (year)
e: 0.2645 Eccentricity
ω: 175.5 Longitude of periastron (degrees)
Start-Year: 1817.5 Year
End-Year: 2232.5 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for RST2272
Position: 020355.25-452446.5 Epoch-2000 right ascension and declination
WDS-ID: 02039-4525 WDS designation
Discoverer Code: RST2272 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 12759 HD catalog number
Hipparcos number: 9642 Hipparcos catalog number
V1: 7.37 Magnitude of the primary
V2: 11.66 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2015 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2016b Reference

Double Star Orbit for RST2272



WDS 6th Orbit including measures of RST2272

-- 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 RST2272
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.584   248.72
--------------------------
1817.50    1.462   359.16
1818.50    1.453     0.04
1819.50    1.443     0.93
1820.50    1.434     1.83
1821.50    1.425     2.74
1822.50    1.416     3.66
1823.50    1.407     4.59
1824.50    1.398     5.54
1825.50    1.389     6.50
1826.50    1.381     7.47
1827.50    1.372     8.46
1828.50    1.363     9.45
1829.50    1.355    10.46
1830.50    1.346    11.48
1831.50    1.338    12.52
1832.50    1.330    13.56
1833.50    1.322    14.62
1834.50    1.314    15.69
1835.50    1.306    16.78
1836.50    1.298    17.88
1837.50    1.291    18.99
1838.50    1.284    20.11
1839.50    1.276    21.25
1840.50    1.269    22.40
1841.50    1.263    23.56
1842.50    1.256    24.74
1843.50    1.249    25.92
1844.50    1.243    27.12
1845.50    1.237    28.34
1846.50    1.231    29.56
1847.50    1.225    30.79
1848.50    1.220    32.04
1849.50    1.214    33.30
1850.50    1.209    34.57
1851.50    1.204    35.85
1852.50    1.200    37.14
1853.50    1.195    38.44
1854.50    1.191    39.74
1855.50    1.187    41.06
1856.50    1.183    42.39
1857.50    1.180    43.72
1858.50    1.176    45.07
1859.50    1.173    46.42
1860.50    1.171    47.77
1861.50    1.168    49.13
1862.50    1.166    50.50
1863.50    1.164    51.88
1864.50    1.162    53.25
1865.50    1.160    54.64
1866.50    1.159    56.02
1867.50    1.157    57.41
1868.50    1.156    58.80
1869.50    1.156    60.20
1870.50    1.155    61.59
1871.50    1.155    62.99
1872.50    1.155    64.39
1873.50    1.155    65.78
1874.50    1.155    67.18
1875.50    1.156    68.57
1876.50    1.156    69.97
1877.50    1.157    71.36
1878.50    1.158    72.75
1879.50    1.159    74.14
1880.50    1.160    75.52
1881.50    1.162    76.91
1882.50    1.163    78.28
1883.50    1.165    79.66
1884.50    1.167    81.03
1885.50    1.168    82.40
1886.50    1.170    83.76
1887.50    1.172    85.12
1888.50    1.174    86.47
1889.50    1.177    87.82
1890.50    1.179    89.16
1891.50    1.181    90.50
1892.50    1.183    91.83
1893.50    1.185    93.16
1894.50    1.188    94.48
1895.50    1.190    95.80
1896.50    1.192    97.12
1897.50    1.194    98.42
1898.50    1.196    99.73
1899.50    1.198   101.03
1900.50    1.201   102.32
1901.50    1.203   103.61
1902.50    1.204   104.90
1903.50    1.206   106.18
1904.50    1.208   107.46
1905.50    1.210   108.73
1906.50    1.211   110.00
1907.50    1.213   111.27
1908.50    1.214   112.54
1909.50    1.216   113.80
1910.50    1.217   115.06
1911.50    1.218   116.31
1912.50    1.219   117.57
1913.50    1.220   118.82
1914.50    1.220   120.07
1915.50    1.221   121.32
1916.50    1.221   122.57
1917.50    1.222   123.82
1918.50    1.222   125.07
1919.50    1.222   126.32
1920.50    1.222   127.56
1921.50    1.222   128.81
1922.50    1.222   130.06
1923.50    1.221   131.31
1924.50    1.221   132.55
1925.50    1.221   133.80
1926.50    1.220   135.06
1927.50    1.219   136.31
1928.50    1.218   137.56
1929.50    1.217   138.82
1930.50    1.216   140.08
1931.50    1.215   141.34
1932.50    1.214   142.60
1933.50    1.213   143.86
1934.50    1.212   145.13
1935.50    1.211   146.40
1936.50    1.210   147.67
1937.50    1.208   148.94
1938.50    1.207   150.22
1939.50    1.206   151.50
1940.50    1.204   152.78
1941.50    1.203   154.07
1942.50    1.202   155.36
1943.50    1.201   156.65
1944.50    1.200   157.94
1945.50    1.198   159.24
1946.50    1.197   160.54
1947.50    1.196   161.84
1948.50    1.196   163.14
1949.50    1.195   164.44
1950.50    1.194   165.75
1951.50    1.193   167.06
1952.50    1.193   168.36
1953.50    1.192   169.67
1954.50    1.192   170.98
1955.50    1.192   172.29
1956.50    1.192   173.61
1957.50    1.192   174.92
1958.50    1.192   176.23
1959.50    1.193   177.54
1960.50    1.193   178.85
1961.50    1.194   180.15
1962.50    1.195   181.46
1963.50    1.196   182.76
1964.50    1.198   184.06
1965.50    1.199   185.36
1966.50    1.201   186.65
1967.50    1.203   187.94
1968.50    1.205   189.23
1969.50    1.207   190.51
1970.50    1.209   191.79
1971.50    1.212   193.06
1972.50    1.215   194.32
1973.50    1.218   195.58
1974.50    1.221   196.83
1975.50    1.224   198.08
1976.50    1.228   199.32
1977.50    1.232   200.55
1978.50    1.236   201.77
1979.50    1.240   202.99
1980.50    1.244   204.20
1981.50    1.249   205.40
1982.50    1.254   206.59
1983.50    1.259   207.77
1984.50    1.264   208.94
1985.50    1.269   210.10
1986.50    1.274   211.25
1987.50    1.280   212.39
1988.50    1.286   213.52
1989.50    1.292   214.65
1990.50    1.298   215.76
1991.50    1.304   216.86
1992.50    1.311   217.95
1993.50    1.317   219.03
1994.50    1.324   220.09
1995.50    1.331   221.15
1996.50    1.338   222.20
1997.50    1.345   223.23
1998.50    1.352   224.26
1999.50    1.359   225.27
2000.50    1.367   226.27
2001.50    1.374   227.26
2002.50    1.382   228.25
2003.50    1.390   229.21
2004.50    1.398   230.17
2005.50    1.406   231.12
2006.50    1.414   232.06
2007.50    1.422   232.99
2008.50    1.430   233.90
2009.50    1.438   234.81
2010.50    1.446   235.70
2011.50    1.455   236.59
2012.50    1.463   237.46
2013.50    1.472   238.33
2014.50    1.480   239.19
2015.50    1.489   240.03
2016.50    1.497   240.87
2017.50    1.506   241.69
2018.50    1.515   242.51
2019.50    1.523   243.32
2020.50    1.532   244.11
2021.50    1.541   244.90
2022.50    1.549   245.68
2023.50    1.558   246.46
2024.50    1.567   247.22
2025.50    1.575   247.97
2026.50    1.584   248.72
2027.50    1.593   249.46
2028.50    1.602   250.19
2029.50    1.610   250.91
2030.50    1.619   251.63
2031.50    1.628   252.33
2032.50    1.636   253.03
2033.50    1.645   253.72
2034.50    1.654   254.41
2035.50    1.662   255.09
2036.50    1.671   255.76
2037.50    1.679   256.42
2038.50    1.688   257.08
2039.50    1.696   257.73
2040.50    1.705   258.37
2041.50    1.713   259.01
2042.50    1.721   259.64
2043.50    1.729   260.27
2044.50    1.738   260.89
2045.50    1.746   261.50
2046.50    1.754   262.11
2047.50    1.762   262.71
2048.50    1.770   263.31
2049.50    1.778   263.90
2050.50    1.785   264.49
2051.50    1.793   265.07
2052.50    1.801   265.65
2053.50    1.809   266.22
2054.50    1.816   266.79
2055.50    1.824   267.35
2056.50    1.831   267.91
2057.50    1.838   268.46
2058.50    1.845   269.01
2059.50    1.853   269.56
2060.50    1.860   270.10
2061.50    1.867   270.63
2062.50    1.874   271.17
2063.50    1.880   271.69
2064.50    1.887   272.22
2065.50    1.894   272.74
2066.50    1.900   273.26
2067.50    1.907   273.77
2068.50    1.913   274.28
2069.50    1.919   274.79
2070.50    1.926   275.29
2071.50    1.932   275.79
2072.50    1.938   276.29
2073.50    1.944   276.79
2074.50    1.949   277.28
2075.50    1.955   277.77
2076.50    1.961   278.25
2077.50    1.966   278.74
2078.50    1.971   279.22
2079.50    1.977   279.69
2080.50    1.982   280.17
2081.50    1.987   280.64
2082.50    1.992   281.11
2083.50    1.997   281.58
2084.50    2.001   282.05
2085.50    2.006   282.51
2086.50    2.011   282.97
2087.50    2.015   283.43
2088.50    2.019   283.89
2089.50    2.024   284.35
2090.50    2.028   284.80
2091.50    2.032   285.25
2092.50    2.035   285.70
2093.50    2.039   286.15
2094.50    2.043   286.60
2095.50    2.046   287.05
2096.50    2.050   287.49
2097.50    2.053   287.93
2098.50    2.056   288.37
2099.50    2.059   288.81
2100.50    2.062   289.25
2101.50    2.065   289.69
2102.50    2.068   290.13
2103.50    2.070   290.56
2104.50    2.073   291.00
2105.50    2.075   291.43
2106.50    2.077   291.86
2107.50    2.079   292.29
2108.50    2.081   292.72
2109.50    2.083   293.15
2110.50    2.085   293.58
2111.50    2.087   294.01
2112.50    2.088   294.44
2113.50    2.090   294.86
2114.50    2.091   295.29
2115.50    2.092   295.72
2116.50    2.093   296.14
2117.50    2.094   296.57
2118.50    2.095   296.99
2119.50    2.095   297.42
2120.50    2.096   297.84
2121.50    2.096   298.26
2122.50    2.096   298.69
2123.50    2.097   299.11
2124.50    2.097   299.53
2125.50    2.097   299.96
2126.50    2.096   300.38
2127.50    2.096   300.81
2128.50    2.096   301.23
2129.50    2.095   301.65
2130.50    2.094   302.08
2131.50    2.093   302.50
2132.50    2.093   302.93
2133.50    2.091   303.35
2134.50    2.090   303.78
2135.50    2.089   304.21
2136.50    2.087   304.63
2137.50    2.086   305.06
2138.50    2.084   305.49
2139.50    2.082   305.92
2140.50    2.080   306.35
2141.50    2.078   306.78
2142.50    2.076   307.21
2143.50    2.074   307.65
2144.50    2.071   308.08
2145.50    2.069   308.51
2146.50    2.066   308.95
2147.50    2.063   309.39
2148.50    2.061   309.82
2149.50    2.057   310.26
2150.50    2.054   310.70
2151.50    2.051   311.15
2152.50    2.048   311.59
2153.50    2.044   312.03
2154.50    2.040   312.48
2155.50    2.037   312.93
2156.50    2.033   313.38
2157.50    2.029   313.83
2158.50    2.025   314.28
2159.50    2.020   314.74
2160.50    2.016   315.20
2161.50    2.012   315.66
2162.50    2.007   316.12
2163.50    2.002   316.58
2164.50    1.998   317.05
2165.50    1.993   317.52
2166.50    1.988   317.99
2167.50    1.982   318.46
2168.50    1.977   318.93
2169.50    1.972   319.41
2170.50    1.966   319.89
2171.50    1.961   320.38
2172.50    1.955   320.86
2173.50    1.949   321.35
2174.50    1.943   321.84
2175.50    1.937   322.34
2176.50    1.931   322.84
2177.50    1.925   323.34
2178.50    1.918   323.84
2179.50    1.912   324.35
2180.50    1.905   324.86
2181.50    1.898   325.38
2182.50    1.892   325.89
2183.50    1.885   326.42
2184.50    1.878   326.94
2185.50    1.871   327.47
2186.50    1.864   328.01
2187.50    1.856   328.55
2188.50    1.849   329.09
2189.50    1.841   329.64
2190.50    1.834   330.19
2191.50    1.826   330.74
2192.50    1.819   331.30
2193.50    1.811   331.87
2194.50    1.803   332.44
2195.50    1.795   333.02
2196.50    1.787   333.60
2197.50    1.779   334.18
2198.50    1.770   334.77
2199.50    1.762   335.37
2200.50    1.754   335.97
2201.50    1.745   336.58
2202.50    1.737   337.20
2203.50    1.728   337.82
2204.50    1.720   338.44
2205.50    1.711   339.08
2206.50    1.702   339.72
2207.50    1.693   340.36
2208.50    1.684   341.02
2209.50    1.675   341.68
2210.50    1.666   342.34
2211.50    1.657   343.02
2212.50    1.648   343.70
2213.50    1.639   344.39
2214.50    1.630   345.09
2215.50    1.621   345.79
2216.50    1.611   346.51
2217.50    1.602   347.23
2218.50    1.593   347.96
2219.50    1.583   348.70
2220.50    1.574   349.44
2221.50    1.565   350.20
2222.50    1.555   350.97
2223.50    1.546   351.74
2224.50    1.537   352.52
2225.50    1.527   353.32
2226.50    1.518   354.12
2227.50    1.508   354.94
2228.50    1.499   355.76
2229.50    1.490   356.59
2230.50    1.480   357.44
2231.50    1.471   358.29






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


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 14:56:41



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