Double Star Calculator - Orbit

Orbital Elements for RST583

WDS:	RST583	WDS ID/Discoverer
P:	220.000	Orbital period (years)
a:	0.406	Semi-major axis (arcseconds)
i:	70.1	Inclination (degrees)
Ω:	353.3	Longitude of ascending node (degrees)
T:	1922.510	Epoch of periastron passage (year)
e:	0.632	Eccentricity
ω:	112.3	Longitude of periastron (degrees)
Start-Year:	1915.0	Year
End-Year:	2135.0	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST583
Position:	121627.87-500835.7	Epoch-2000 right ascension and declination
WDS-ID:	12165-5009	WDS designation
Discoverer Code:	RST583	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	59854	Hipparcos catalog number
V1:	10.20	Magnitude of the primary
V2:	10.26	Magnitude of the secondary
Equinox:		Equinox
Date:	2021	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:	Tok2021f	Reference

Double Star Orbit for RST583

WDS 6th Orbit including measures of RST583

-- 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 RST583

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.306   309.33
--------------------------
1915.00    0.125    16.81
1916.00    0.107    22.15
1917.00    0.089    29.66
1918.00    0.072    40.78
1919.00    0.059    57.65
1920.00    0.053    81.20
1921.00    0.055   106.42
1922.00    0.066   126.16
1923.00    0.081   139.42
1924.00    0.098   148.32
1925.00    0.115   154.59
1926.00    0.132   159.27
1927.00    0.147   162.95
1928.00    0.161   165.96
1929.00    0.173   168.51
1930.00    0.184   170.74
1931.00    0.194   172.73
1932.00    0.202   174.54
1933.00    0.210   176.22
1934.00    0.216   177.78
1935.00    0.222   179.27
1936.00    0.226   180.69
1937.00    0.230   182.05
1938.00    0.233   183.38
1939.00    0.236   184.68
1940.00    0.238   185.95
1941.00    0.239   187.20
1942.00    0.240   188.44
1943.00    0.241   189.67
1944.00    0.241   190.90
1945.00    0.241   192.12
1946.00    0.241   193.35
1947.00    0.240   194.58
1948.00    0.239   195.82
1949.00    0.238   197.07
1950.00    0.237   198.33
1951.00    0.236   199.61
1952.00    0.234   200.89
1953.00    0.233   202.20
1954.00    0.231   203.52
1955.00    0.229   204.86
1956.00    0.228   206.23
1957.00    0.226   207.61
1958.00    0.224   209.02
1959.00    0.222   210.45
1960.00    0.220   211.91
1961.00    0.218   213.39
1962.00    0.216   214.90
1963.00    0.214   216.44
1964.00    0.213   218.00
1965.00    0.211   219.59
1966.00    0.209   221.21
1967.00    0.207   222.85
1968.00    0.206   224.52
1969.00    0.204   226.21
1970.00    0.203   227.93
1971.00    0.201   229.67
1972.00    0.200   231.44
1973.00    0.199   233.22
1974.00    0.198   235.03
1975.00    0.197   236.85
1976.00    0.196   238.69
1977.00    0.196   240.54
1978.00    0.195   242.40
1979.00    0.195   244.27
1980.00    0.195   246.14
1981.00    0.195   248.02
1982.00    0.195   249.89
1983.00    0.195   251.76
1984.00    0.195   253.63
1985.00    0.196   255.49
1986.00    0.197   257.34
1987.00    0.197   259.17
1988.00    0.198   260.99
1989.00    0.200   262.79
1990.00    0.201   264.56
1991.00    0.202   266.31
1992.00    0.204   268.04
1993.00    0.205   269.74
1994.00    0.207   271.42
1995.00    0.209   273.06
1996.00    0.211   274.68
1997.00    0.213   276.26
1998.00    0.215   277.81
1999.00    0.218   279.32
2000.00    0.220   280.81
2001.00    0.223   282.26
2002.00    0.225   283.68
2003.00    0.228   285.06
2004.00    0.231   286.41
2005.00    0.234   287.73
2006.00    0.237   289.02
2007.00    0.240   290.27
2008.00    0.243   291.50
2009.00    0.246   292.69
2010.00    0.249   293.85
2011.00    0.252   294.99
2012.00    0.255   296.09
2013.00    0.259   297.17
2014.00    0.262   298.22
2015.00    0.266   299.24
2016.00    0.269   300.23
2017.00    0.272   301.21
2018.00    0.276   302.15
2019.00    0.279   303.08
2020.00    0.283   303.98
2021.00    0.286   304.86
2022.00    0.290   305.71
2023.00    0.293   306.55
2024.00    0.297   307.37
2025.00    0.300   308.17
2026.00    0.304   308.95
2027.00    0.307   309.71
2028.00    0.311   310.45
2029.00    0.314   311.18
2030.00    0.318   311.89
2031.00    0.321   312.59
2032.00    0.325   313.27
2033.00    0.328   313.93
2034.00    0.332   314.59
2035.00    0.335   315.23
2036.00    0.339   315.85
2037.00    0.342   316.47
2038.00    0.345   317.07
2039.00    0.349   317.66
2040.00    0.352   318.24
2041.00    0.355   318.81
2042.00    0.359   319.37
2043.00    0.362   319.91
2044.00    0.365   320.45
2045.00    0.368   320.98
2046.00    0.371   321.50
2047.00    0.374   322.02
2048.00    0.377   322.52
2049.00    0.380   323.02
2050.00    0.383   323.51
2051.00    0.386   323.99
2052.00    0.389   324.46
2053.00    0.391   324.93
2054.00    0.394   325.39
2055.00    0.397   325.84
2056.00    0.399   326.29
2057.00    0.402   326.74
2058.00    0.404   327.17
2059.00    0.407   327.61
2060.00    0.409   328.03
2061.00    0.411   328.46
2062.00    0.414   328.88
2063.00    0.416   329.29
2064.00    0.418   329.70
2065.00    0.420   330.10
2066.00    0.422   330.51
2067.00    0.424   330.90
2068.00    0.425   331.30
2069.00    0.427   331.69
2070.00    0.429   332.08
2071.00    0.430   332.46
2072.00    0.432   332.85
2073.00    0.433   333.23
2074.00    0.434   333.61
2075.00    0.435   333.98
2076.00    0.436   334.36
2077.00    0.437   334.73
2078.00    0.438   335.10
2079.00    0.439   335.47
2080.00    0.440   335.84
2081.00    0.440   336.21
2082.00    0.441   336.57
2083.00    0.441   336.94
2084.00    0.441   337.31
2085.00    0.441   337.67
2086.00    0.441   338.04
2087.00    0.441   338.40
2088.00    0.440   338.77
2089.00    0.440   339.14
2090.00    0.439   339.51
2091.00    0.439   339.87
2092.00    0.438   340.25
2093.00    0.437   340.62
2094.00    0.435   340.99
2095.00    0.434   341.37
2096.00    0.432   341.75
2097.00    0.431   342.13
2098.00    0.429   342.51
2099.00    0.427   342.90
2100.00    0.424   343.30
2101.00    0.422   343.69
2102.00    0.419   344.10
2103.00    0.416   344.50
2104.00    0.413   344.92
2105.00    0.410   345.34
2106.00    0.406   345.77
2107.00    0.402   346.20
2108.00    0.398   346.65
2109.00    0.394   347.10
2110.00    0.389   347.57
2111.00    0.384   348.04
2112.00    0.378   348.53
2113.00    0.373   349.04
2114.00    0.367   349.56
2115.00    0.361   350.09
2116.00    0.354   350.65
2117.00    0.347   351.23
2118.00    0.339   351.84
2119.00    0.331   352.47
2120.00    0.323   353.14
2121.00    0.314   353.84
2122.00    0.305   354.58
2123.00    0.295   355.37
2124.00    0.284   356.22
2125.00    0.273   357.14
2126.00    0.261   358.13
2127.00    0.249   359.23
2128.00    0.236     0.44
2129.00    0.222     1.79
2130.00    0.208     3.33
2131.00    0.193     5.10
2132.00    0.177     7.19
2133.00    0.160     9.70
2134.00    0.143    12.81

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 16:44:59