Double Star Calculator - Orbit

Orbital Elements for RST2814AB

WDS:	RST2814AB	WDS ID/Discoverer
P:	136.200	Orbital period (years)
a:	0.189	Semi-major axis (arcseconds)
i:	117.9	Inclination (degrees)
Ω:	163.6	Longitude of ascending node (degrees)
T:	2013.130	Epoch of periastron passage (year)
e:	0.606	Eccentricity
ω:	167.6	Longitude of periastron (degrees)
Start-Year:	1956.9	Year
End-Year:	2093.1	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST2814AB
Position:	124627.51-205052.8	Epoch-2000 right ascension and declination
WDS-ID:	12465-2051	WDS designation
Discoverer Code:	RST2814AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	111017	HD catalog number
Hipparcos number:	62337	Hipparcos catalog number
V1:	9.77	Magnitude of the primary
V2:	10.11	Magnitude of the secondary
Equinox:		Equinox
Date:	2021	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:	Tok2021f	Reference

Double Star Orbit for RST2814AB

WDS 6th Orbit including measures of RST2814AB

-- 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 RST2814AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.069   244.28
--------------------------
1956.90    0.297   164.81
1957.90    0.296   164.41
1958.90    0.294   164.00
1959.90    0.293   163.60
1960.90    0.291   163.18
1961.90    0.290   162.77
1962.90    0.288   162.35
1963.90    0.286   161.92
1964.90    0.284   161.49
1965.90    0.282   161.05
1966.90    0.279   160.60
1967.90    0.277   160.15
1968.90    0.274   159.68
1969.90    0.271   159.21
1970.90    0.268   158.72
1971.90    0.264   158.23
1972.90    0.261   157.72
1973.90    0.257   157.19
1974.90    0.253   156.66
1975.90    0.249   156.10
1976.90    0.245   155.53
1977.90    0.241   154.93
1978.90    0.236   154.31
1979.90    0.231   153.67
1980.90    0.226   153.00
1981.90    0.221   152.30
1982.90    0.216   151.56
1983.90    0.210   150.79
1984.90    0.204   149.97
1985.90    0.198   149.11
1986.90    0.192   148.19
1987.90    0.186   147.20
1988.90    0.179   146.14
1989.90    0.172   145.00
1990.90    0.165   143.76
1991.90    0.157   142.41
1992.90    0.150   140.92
1993.90    0.142   139.27
1994.90    0.134   137.42
1995.90    0.126   135.33
1996.90    0.117   132.95
1997.90    0.109   130.18
1998.90    0.100   126.94
1999.90    0.091   123.07
2000.90    0.082   118.37
2001.90    0.074   112.58
2002.90    0.066   105.33
2003.90    0.059    96.20
2004.90    0.053    84.80
2005.90    0.049    71.14
2006.90    0.048    56.00
2007.90    0.049    40.91
2008.90    0.053    27.30
2009.90    0.058    15.76
2010.90    0.063     6.17
2011.90    0.068   358.08
2012.90    0.072   351.00
2013.90    0.075   344.54
2014.90    0.076   338.37
2015.90    0.075   332.21
2016.90    0.073   325.83
2017.90    0.071   319.05
2018.90    0.068   311.69
2019.90    0.065   303.66
2020.90    0.062   294.94
2021.90    0.061   285.65
2022.90    0.060   276.05
2023.90    0.061   266.50
2024.90    0.063   257.36
2025.90    0.066   248.93
2026.90    0.070   241.36
2027.90    0.075   234.69
2028.90    0.081   228.87
2029.90    0.086   223.81
2030.90    0.093   219.41
2031.90    0.099   215.57
2032.90    0.105   212.20
2033.90    0.112   209.23
2034.90    0.119   206.58
2035.90    0.125   204.22
2036.90    0.132   202.09
2037.90    0.138   200.17
2038.90    0.145   198.41
2039.90    0.151   196.81
2040.90    0.157   195.33
2041.90    0.164   193.97
2042.90    0.170   192.70
2043.90    0.175   191.52
2044.90    0.181   190.41
2045.90    0.187   189.37
2046.90    0.192   188.40
2047.90    0.198   187.47
2048.90    0.203   186.60
2049.90    0.208   185.76
2050.90    0.213   184.97
2051.90    0.218   184.21
2052.90    0.223   183.49
2053.90    0.227   182.79
2054.90    0.231   182.12
2055.90    0.236   181.48
2056.90    0.240   180.86
2057.90    0.244   180.26
2058.90    0.248   179.68
2059.90    0.251   179.11
2060.90    0.255   178.56
2061.90    0.258   178.03
2062.90    0.262   177.51
2063.90    0.265   177.00
2064.90    0.268   176.51
2065.90    0.271   176.03
2066.90    0.274   175.55
2067.90    0.276   175.09
2068.90    0.279   174.63
2069.90    0.281   174.18
2070.90    0.283   173.74
2071.90    0.285   173.30
2072.90    0.287   172.88
2073.90    0.289   172.45
2074.90    0.291   172.03
2075.90    0.292   171.62
2076.90    0.294   171.21
2077.90    0.295   170.80
2078.90    0.296   170.40
2079.90    0.297   170.00
2080.90    0.298   169.60
2081.90    0.298   169.21
2082.90    0.299   168.82
2083.90    0.299   168.42
2084.90    0.300   168.03
2085.90    0.300   167.64
2086.90    0.300   167.25
2087.90    0.300   166.86
2088.90    0.299   166.47
2089.90    0.299   166.07
2090.90    0.298   165.68
2091.90    0.298   165.29
2092.90    0.297   164.89

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 16:49:47