Double Star Calculator - Orbit

Orbital Elements for RST2597
WDS: RST2597 WDS ID/Discoverer
P: 400.000 Orbital period (years)
a: 0.282 Semi-major axis (arcseconds)
i: 145.9 Inclination (degrees)
Ω: 54.1 Longitude of ascending node (degrees)
T: 1970.380 Epoch of periastron passage (year)
e: 0.707 Eccentricity
ω: 103.7 Longitude of periastron (degrees)
Start-Year: 1825.0 Year
End-Year: 2225.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for RST2597
Position: 085922.78-241212.0 Epoch-2000 right ascension and declination
WDS-ID: 08594-2412 WDS designation
Discoverer Code: RST2597 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 77073 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.5 Magnitude of the primary
V2: 9.6 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2023 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2023a Reference

Double Star Orbit for RST2597



WDS 6th Orbit including measures of RST2597

-- 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 RST2597
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.250   179.63
--------------------------
1825.00    0.394   113.52
1826.00    0.393   113.25
1827.00    0.393   112.98
1828.00    0.392   112.71
1829.00    0.392   112.43
1830.00    0.391   112.16
1831.00    0.390   111.89
1832.00    0.390   111.61
1833.00    0.389   111.33
1834.00    0.388   111.06
1835.00    0.388   110.78
1836.00    0.387   110.50
1837.00    0.386   110.22
1838.00    0.386   109.94
1839.00    0.385   109.65
1840.00    0.384   109.37
1841.00    0.383   109.09
1842.00    0.382   108.80
1843.00    0.382   108.51
1844.00    0.381   108.22
1845.00    0.380   107.94
1846.00    0.379   107.64
1847.00    0.378   107.35
1848.00    0.377   107.06
1849.00    0.377   106.76
1850.00    0.376   106.47
1851.00    0.375   106.17
1852.00    0.374   105.87
1853.00    0.373   105.57
1854.00    0.372   105.27
1855.00    0.371   104.96
1856.00    0.370   104.66
1857.00    0.369   104.35
1858.00    0.368   104.04
1859.00    0.367   103.73
1860.00    0.365   103.42
1861.00    0.364   103.10
1862.00    0.363   102.79
1863.00    0.362   102.47
1864.00    0.361   102.15
1865.00    0.360   101.82
1866.00    0.359   101.50
1867.00    0.357   101.17
1868.00    0.356   100.84
1869.00    0.355   100.51
1870.00    0.354   100.18
1871.00    0.352    99.84
1872.00    0.351    99.50
1873.00    0.350    99.16
1874.00    0.348    98.81
1875.00    0.347    98.47
1876.00    0.345    98.12
1877.00    0.344    97.76
1878.00    0.343    97.41
1879.00    0.341    97.05
1880.00    0.340    96.69
1881.00    0.338    96.32
1882.00    0.337    95.95
1883.00    0.335    95.58
1884.00    0.333    95.21
1885.00    0.332    94.83
1886.00    0.330    94.45
1887.00    0.329    94.06
1888.00    0.327    93.67
1889.00    0.325    93.27
1890.00    0.323    92.88
1891.00    0.322    92.47
1892.00    0.320    92.07
1893.00    0.318    91.65
1894.00    0.316    91.24
1895.00    0.314    90.82
1896.00    0.312    90.39
1897.00    0.311    89.96
1898.00    0.309    89.52
1899.00    0.307    89.08
1900.00    0.305    88.63
1901.00    0.303    88.17
1902.00    0.301    87.71
1903.00    0.298    87.24
1904.00    0.296    86.77
1905.00    0.294    86.29
1906.00    0.292    85.80
1907.00    0.290    85.31
1908.00    0.288    84.80
1909.00    0.285    84.29
1910.00    0.283    83.77
1911.00    0.281    83.25
1912.00    0.278    82.71
1913.00    0.276    82.16
1914.00    0.273    81.61
1915.00    0.271    81.04
1916.00    0.268    80.46
1917.00    0.266    79.87
1918.00    0.263    79.27
1919.00    0.260    78.66
1920.00    0.258    78.04
1921.00    0.255    77.40
1922.00    0.252    76.75
1923.00    0.249    76.08
1924.00    0.246    75.40
1925.00    0.243    74.70
1926.00    0.240    73.98
1927.00    0.237    73.25
1928.00    0.234    72.49
1929.00    0.231    71.72
1930.00    0.228    70.93
1931.00    0.225    70.11
1932.00    0.221    69.27
1933.00    0.218    68.40
1934.00    0.215    67.50
1935.00    0.211    66.58
1936.00    0.208    65.62
1937.00    0.204    64.63
1938.00    0.200    63.61
1939.00    0.197    62.54
1940.00    0.193    61.44
1941.00    0.189    60.28
1942.00    0.185    59.08
1943.00    0.181    57.83
1944.00    0.177    56.52
1945.00    0.173    55.14
1946.00    0.168    53.70
1947.00    0.164    52.18
1948.00    0.159    50.58
1949.00    0.155    48.88
1950.00    0.150    47.08
1951.00    0.146    45.16
1952.00    0.141    43.12
1953.00    0.136    40.93
1954.00    0.131    38.57
1955.00    0.126    36.03
1956.00    0.121    33.28
1957.00    0.116    30.28
1958.00    0.111    27.01
1959.00    0.105    23.41
1960.00    0.100    19.45
1961.00    0.095    15.07
1962.00    0.090    10.21
1963.00    0.086     4.81
1964.00    0.081   358.81
1965.00    0.078   352.17
1966.00    0.074   344.89
1967.00    0.072   336.99
1968.00    0.070   328.59
1969.00    0.069   319.86
1970.00    0.069   311.03
1971.00    0.070   302.34
1972.00    0.072   294.00
1973.00    0.075   286.18
1974.00    0.078   278.95
1975.00    0.082   272.35
1976.00    0.086   266.34
1977.00    0.090   260.89
1978.00    0.094   255.95
1979.00    0.099   251.45
1980.00    0.103   247.35
1981.00    0.108   243.58
1982.00    0.112   240.12
1983.00    0.117   236.92
1984.00    0.121   233.96
1985.00    0.125   231.19
1986.00    0.129   228.61
1987.00    0.134   226.19
1988.00    0.138   223.90
1989.00    0.142   221.75
1990.00    0.145   219.72
1991.00    0.149   217.78
1992.00    0.153   215.94
1993.00    0.157   214.19
1994.00    0.160   212.52
1995.00    0.164   210.92
1996.00    0.167   209.38
1997.00    0.170   207.91
1998.00    0.174   206.50
1999.00    0.177   205.13
2000.00    0.180   203.82
2001.00    0.183   202.55
2002.00    0.186   201.32
2003.00    0.189   200.13
2004.00    0.192   198.98
2005.00    0.195   197.87
2006.00    0.198   196.79
2007.00    0.201   195.74
2008.00    0.204   194.71
2009.00    0.207   193.72
2010.00    0.210   192.75
2011.00    0.212   191.81
2012.00    0.215   190.89
2013.00    0.218   190.00
2014.00    0.220   189.12
2015.00    0.223   188.27
2016.00    0.225   187.43
2017.00    0.228   186.61
2018.00    0.230   185.81
2019.00    0.233   185.03
2020.00    0.235   184.26
2021.00    0.237   183.51
2022.00    0.240   182.78
2023.00    0.242   182.06
2024.00    0.244   181.35
2025.00    0.247   180.65
2026.00    0.249   179.97
2027.00    0.251   179.30
2028.00    0.253   178.64
2029.00    0.256   177.99
2030.00    0.258   177.36
2031.00    0.260   176.73
2032.00    0.262   176.12
2033.00    0.264   175.51
2034.00    0.266   174.91
2035.00    0.268   174.32
2036.00    0.270   173.75
2037.00    0.272   173.18
2038.00    0.274   172.61
2039.00    0.276   172.06
2040.00    0.278   171.51
2041.00    0.280   170.97
2042.00    0.282   170.44
2043.00    0.284   169.92
2044.00    0.285   169.40
2045.00    0.287   168.89
2046.00    0.289   168.39
2047.00    0.291   167.89
2048.00    0.293   167.39
2049.00    0.294   166.91
2050.00    0.296   166.43
2051.00    0.298   165.95
2052.00    0.300   165.48
2053.00    0.301   165.02
2054.00    0.303   164.56
2055.00    0.305   164.10
2056.00    0.306   163.66
2057.00    0.308   163.21
2058.00    0.309   162.77
2059.00    0.311   162.34
2060.00    0.313   161.90
2061.00    0.314   161.48
2062.00    0.316   161.06
2063.00    0.317   160.64
2064.00    0.319   160.22
2065.00    0.320   159.81
2066.00    0.322   159.40
2067.00    0.323   159.00
2068.00    0.325   158.60
2069.00    0.326   158.21
2070.00    0.327   157.81
2071.00    0.329   157.42
2072.00    0.330   157.04
2073.00    0.332   156.65
2074.00    0.333   156.28
2075.00    0.334   155.90
2076.00    0.336   155.52
2077.00    0.337   155.15
2078.00    0.338   154.79
2079.00    0.339   154.42
2080.00    0.341   154.06
2081.00    0.342   153.70
2082.00    0.343   153.34
2083.00    0.344   152.99
2084.00    0.346   152.64
2085.00    0.347   152.29
2086.00    0.348   151.94
2087.00    0.349   151.59
2088.00    0.350   151.25
2089.00    0.352   150.91
2090.00    0.353   150.57
2091.00    0.354   150.24
2092.00    0.355   149.90
2093.00    0.356   149.57
2094.00    0.357   149.24
2095.00    0.358   148.92
2096.00    0.359   148.59
2097.00    0.360   148.27
2098.00    0.361   147.94
2099.00    0.362   147.62
2100.00    0.363   147.31
2101.00    0.364   146.99
2102.00    0.365   146.67
2103.00    0.366   146.36
2104.00    0.367   146.05
2105.00    0.368   145.74
2106.00    0.369   145.43
2107.00    0.370   145.12
2108.00    0.371   144.82
2109.00    0.372   144.51
2110.00    0.373   144.21
2111.00    0.374   143.91
2112.00    0.374   143.61
2113.00    0.375   143.31
2114.00    0.376   143.02
2115.00    0.377   142.72
2116.00    0.378   142.43
2117.00    0.378   142.13
2118.00    0.379   141.84
2119.00    0.380   141.55
2120.00    0.381   141.26
2121.00    0.382   140.97
2122.00    0.382   140.68
2123.00    0.383   140.40
2124.00    0.384   140.11
2125.00    0.384   139.83
2126.00    0.385   139.55
2127.00    0.386   139.26
2128.00    0.386   138.98
2129.00    0.387   138.70
2130.00    0.388   138.42
2131.00    0.388   138.14
2132.00    0.389   137.87
2133.00    0.390   137.59
2134.00    0.390   137.31
2135.00    0.391   137.04
2136.00    0.391   136.77
2137.00    0.392   136.49
2138.00    0.392   136.22
2139.00    0.393   135.95
2140.00    0.393   135.68
2141.00    0.394   135.41
2142.00    0.394   135.14
2143.00    0.395   134.87
2144.00    0.395   134.60
2145.00    0.396   134.33
2146.00    0.396   134.06
2147.00    0.397   133.80
2148.00    0.397   133.53
2149.00    0.398   133.27
2150.00    0.398   133.00
2151.00    0.398   132.74
2152.00    0.399   132.47
2153.00    0.399   132.21
2154.00    0.400   131.95
2155.00    0.400   131.68
2156.00    0.400   131.42
2157.00    0.401   131.16
2158.00    0.401   130.90
2159.00    0.401   130.64
2160.00    0.401   130.38
2161.00    0.402   130.12
2162.00    0.402   129.86
2163.00    0.402   129.60
2164.00    0.402   129.34
2165.00    0.403   129.08
2166.00    0.403   128.82
2167.00    0.403   128.57
2168.00    0.403   128.31
2169.00    0.403   128.05
2170.00    0.404   127.79
2171.00    0.404   127.54
2172.00    0.404   127.28
2173.00    0.404   127.02
2174.00    0.404   126.77
2175.00    0.404   126.51
2176.00    0.404   126.25
2177.00    0.404   126.00
2178.00    0.405   125.74
2179.00    0.405   125.48
2180.00    0.405   125.23
2181.00    0.405   124.97
2182.00    0.405   124.72
2183.00    0.405   124.46
2184.00    0.405   124.21
2185.00    0.405   123.95
2186.00    0.405   123.69
2187.00    0.405   123.44
2188.00    0.405   123.18
2189.00    0.405   122.93
2190.00    0.404   122.67
2191.00    0.404   122.41
2192.00    0.404   122.16
2193.00    0.404   121.90
2194.00    0.404   121.64
2195.00    0.404   121.39
2196.00    0.404   121.13
2197.00    0.404   120.87
2198.00    0.403   120.62
2199.00    0.403   120.36
2200.00    0.403   120.10
2201.00    0.403   119.84
2202.00    0.403   119.58
2203.00    0.402   119.32
2204.00    0.402   119.07
2205.00    0.402   118.81
2206.00    0.402   118.55
2207.00    0.401   118.29
2208.00    0.401   118.03
2209.00    0.401   117.77
2210.00    0.400   117.50
2211.00    0.400   117.24
2212.00    0.400   116.98
2213.00    0.399   116.72
2214.00    0.399   116.45
2215.00    0.399   116.19
2216.00    0.398   115.93
2217.00    0.398   115.66
2218.00    0.397   115.40
2219.00    0.397   115.13
2220.00    0.396   114.86
2221.00    0.396   114.60
2222.00    0.395   114.33
2223.00    0.395   114.06
2224.00    0.394   113.79






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 16:13:19



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