Double Star Calculator - Orbit

Orbital Elements for RST4503

WDS:	RST4503	WDS ID/Discoverer
P:	300.000	Orbital period (years)
a:	0.21	Semi-major axis (arcseconds)
i:	53.0	Inclination (degrees)
Ω:	120.9	Longitude of ascending node (degrees)
T:	1729.080	Epoch of periastron passage (year)
e:	0.317	Eccentricity
ω:	25.0	Longitude of periastron (degrees)
Start-Year:	1875.0	Year
End-Year:	2175.0	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST4503
Position:	123550.18-615027.3	Epoch-2000 right ascension and declination
WDS-ID:	12358-6150	WDS designation
Discoverer Code:	RST4503	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	109517	HD catalog number
Hipparcos number:	61479	Hipparcos catalog number
V1:	9.20	Magnitude of the primary
V2:	9.93	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2020	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:	Tok2020g	Reference

Double Star Orbit for RST4503

WDS 6th Orbit including measures of RST4503

-- 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 RST4503

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.139   132.42
--------------------------
1875.00    0.263   314.78
1876.00    0.263   315.22
1877.00    0.262   315.65
1878.00    0.261   316.10
1879.00    0.260   316.54
1880.00    0.260   316.99
1881.00    0.259   317.44
1882.00    0.258   317.89
1883.00    0.257   318.35
1884.00    0.256   318.81
1885.00    0.255   319.27
1886.00    0.254   319.74
1887.00    0.253   320.21
1888.00    0.252   320.68
1889.00    0.251   321.16
1890.00    0.249   321.64
1891.00    0.248   322.13
1892.00    0.247   322.62
1893.00    0.246   323.12
1894.00    0.244   323.62
1895.00    0.243   324.13
1896.00    0.242   324.65
1897.00    0.240   325.17
1898.00    0.239   325.69
1899.00    0.238   326.22
1900.00    0.236   326.76
1901.00    0.235   327.31
1902.00    0.233   327.86
1903.00    0.232   328.42
1904.00    0.230   328.98
1905.00    0.229   329.56
1906.00    0.227   330.14
1907.00    0.225   330.73
1908.00    0.224   331.33
1909.00    0.222   331.94
1910.00    0.220   332.56
1911.00    0.219   333.18
1912.00    0.217   333.82
1913.00    0.215   334.47
1914.00    0.213   335.12
1915.00    0.212   335.79
1916.00    0.210   336.47
1917.00    0.208   337.16
1918.00    0.206   337.87
1919.00    0.204   338.59
1920.00    0.203   339.32
1921.00    0.201   340.06
1922.00    0.199   340.82
1923.00    0.197   341.59
1924.00    0.195   342.37
1925.00    0.193   343.18
1926.00    0.191   343.99
1927.00    0.189   344.83
1928.00    0.187   345.68
1929.00    0.185   346.55
1930.00    0.184   347.44
1931.00    0.182   348.34
1932.00    0.180   349.27
1933.00    0.178   350.21
1934.00    0.176   351.18
1935.00    0.174   352.17
1936.00    0.172   353.18
1937.00    0.170   354.21
1938.00    0.168   355.26
1939.00    0.166   356.34
1940.00    0.165   357.44
1941.00    0.163   358.57
1942.00    0.161   359.73
1943.00    0.159     0.91
1944.00    0.157     2.11
1945.00    0.156     3.34
1946.00    0.154     4.61
1947.00    0.152     5.90
1948.00    0.151     7.21
1949.00    0.149     8.56
1950.00    0.147     9.94
1951.00    0.146    11.34
1952.00    0.144    12.78
1953.00    0.143    14.24
1954.00    0.142    15.73
1955.00    0.140    17.26
1956.00    0.139    18.81
1957.00    0.138    20.39
1958.00    0.136    22.00
1959.00    0.135    23.64
1960.00    0.134    25.30
1961.00    0.133    26.99
1962.00    0.132    28.70
1963.00    0.131    30.44
1964.00    0.131    32.19
1965.00    0.130    33.97
1966.00    0.129    35.77
1967.00    0.129    37.58
1968.00    0.128    39.41
1969.00    0.128    41.25
1970.00    0.128    43.10
1971.00    0.127    44.96
1972.00    0.127    46.83
1973.00    0.127    48.70
1974.00    0.127    50.58
1975.00    0.127    52.45
1976.00    0.127    54.32
1977.00    0.127    56.18
1978.00    0.128    58.04
1979.00    0.128    59.89
1980.00    0.128    61.73
1981.00    0.129    63.56
1982.00    0.129    65.38
1983.00    0.130    67.18
1984.00    0.130    68.96
1985.00    0.131    70.73
1986.00    0.132    72.48
1987.00    0.133    74.20
1988.00    0.133    75.91
1989.00    0.134    77.60
1990.00    0.135    79.27
1991.00    0.136    80.92
1992.00    0.137    82.55
1993.00    0.137    84.16
1994.00    0.138    85.75
1995.00    0.139    87.31
1996.00    0.140    88.86
1997.00    0.141    90.39
1998.00    0.142    91.90
1999.00    0.143    93.40
2000.00    0.143    94.88
2001.00    0.144    96.34
2002.00    0.145    97.79
2003.00    0.145    99.22
2004.00    0.146   100.64
2005.00    0.147   102.05
2006.00    0.147   103.45
2007.00    0.148   104.84
2008.00    0.148   106.22
2009.00    0.148   107.60
2010.00    0.149   108.97
2011.00    0.149   110.34
2012.00    0.149   111.70
2013.00    0.149   113.07
2014.00    0.149   114.44
2015.00    0.148   115.81
2016.00    0.148   117.18
2017.00    0.148   118.57
2018.00    0.147   119.96
2019.00    0.147   121.36
2020.00    0.146   122.77
2021.00    0.145   124.20
2022.00    0.144   125.64
2023.00    0.143   127.11
2024.00    0.142   128.59
2025.00    0.141   130.10
2026.00    0.140   131.64
2027.00    0.138   133.21
2028.00    0.137   134.81
2029.00    0.135   136.44
2030.00    0.134   138.12
2031.00    0.132   139.83
2032.00    0.130   141.59
2033.00    0.128   143.40
2034.00    0.126   145.26
2035.00    0.125   147.18
2036.00    0.123   149.16
2037.00    0.121   151.19
2038.00    0.119   153.30
2039.00    0.117   155.47
2040.00    0.115   157.71
2041.00    0.113   160.03
2042.00    0.111   162.42
2043.00    0.110   164.89
2044.00    0.108   167.44
2045.00    0.107   170.06
2046.00    0.105   172.76
2047.00    0.104   175.53
2048.00    0.103   178.38
2049.00    0.101   181.28
2050.00    0.101   184.24
2051.00    0.100   187.26
2052.00    0.099   190.31
2053.00    0.099   193.39
2054.00    0.099   196.49
2055.00    0.099   199.60
2056.00    0.099   202.70
2057.00    0.099   205.79
2058.00    0.100   208.84
2059.00    0.101   211.85
2060.00    0.101   214.82
2061.00    0.103   217.72
2062.00    0.104   220.55
2063.00    0.105   223.31
2064.00    0.107   225.99
2065.00    0.109   228.59
2066.00    0.111   231.10
2067.00    0.113   233.52
2068.00    0.115   235.86
2069.00    0.117   238.10
2070.00    0.119   240.26
2071.00    0.122   242.34
2072.00    0.124   244.34
2073.00    0.127   246.25
2074.00    0.129   248.09
2075.00    0.132   249.86
2076.00    0.135   251.55
2077.00    0.138   253.18
2078.00    0.140   254.74
2079.00    0.143   256.25
2080.00    0.146   257.69
2081.00    0.149   259.08
2082.00    0.152   260.42
2083.00    0.154   261.71
2084.00    0.157   262.95
2085.00    0.160   264.15
2086.00    0.163   265.31
2087.00    0.166   266.43
2088.00    0.169   267.51
2089.00    0.171   268.56
2090.00    0.174   269.57
2091.00    0.177   270.55
2092.00    0.179   271.51
2093.00    0.182   272.43
2094.00    0.185   273.33
2095.00    0.187   274.20
2096.00    0.190   275.05
2097.00    0.193   275.87
2098.00    0.195   276.67
2099.00    0.198   277.46
2100.00    0.200   278.22
2101.00    0.203   278.97
2102.00    0.205   279.69
2103.00    0.207   280.41
2104.00    0.210   281.10
2105.00    0.212   281.78
2106.00    0.214   282.45
2107.00    0.216   283.10
2108.00    0.218   283.74
2109.00    0.220   284.37
2110.00    0.223   284.98
2111.00    0.225   285.59
2112.00    0.226   286.18
2113.00    0.228   286.77
2114.00    0.230   287.34
2115.00    0.232   287.90
2116.00    0.234   288.46
2117.00    0.236   289.01
2118.00    0.237   289.55
2119.00    0.239   290.08
2120.00    0.241   290.61
2121.00    0.242   291.12
2122.00    0.244   291.64
2123.00    0.245   292.14
2124.00    0.247   292.64
2125.00    0.248   293.13
2126.00    0.249   293.62
2127.00    0.251   294.10
2128.00    0.252   294.58
2129.00    0.253   295.06
2130.00    0.254   295.52
2131.00    0.256   295.99
2132.00    0.257   296.45
2133.00    0.258   296.91
2134.00    0.259   297.36
2135.00    0.260   297.81
2136.00    0.260   298.26
2137.00    0.261   298.70
2138.00    0.262   299.14
2139.00    0.263   299.58
2140.00    0.264   300.01
2141.00    0.264   300.45
2142.00    0.265   300.88
2143.00    0.266   301.31
2144.00    0.266   301.74
2145.00    0.267   302.16
2146.00    0.267   302.58
2147.00    0.268   303.01
2148.00    0.268   303.43
2149.00    0.268   303.85
2150.00    0.269   304.27
2151.00    0.269   304.69
2152.00    0.269   305.10
2153.00    0.269   305.52
2154.00    0.269   305.94
2155.00    0.270   306.35
2156.00    0.270   306.77
2157.00    0.270   307.18
2158.00    0.270   307.60
2159.00    0.270   308.01
2160.00    0.269   308.43
2161.00    0.269   308.85
2162.00    0.269   309.26
2163.00    0.269   309.68
2164.00    0.269   310.10
2165.00    0.268   310.52
2166.00    0.268   310.94
2167.00    0.268   311.36
2168.00    0.267   311.78
2169.00    0.267   312.20
2170.00    0.266   312.63
2171.00    0.266   313.05
2172.00    0.265   313.48
2173.00    0.265   313.91
2174.00    0.264   314.35

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 16:48:16