Double Star Calculator - Orbit

Orbital Elements for A2310
WDS: A2310 WDS ID/Discoverer
P: 160.600 Orbital period (years)
a: 0.2242 Semi-major axis (arcseconds)
i: 114.7 Inclination (degrees)
Ω: 136.5 Longitude of ascending node (degrees)
T: 1936.300 Epoch of periastron passage (year)
e: 0.471 Eccentricity
ω: 8.4 Longitude of periastron (degrees)
Start-Year: 1944.7 Year
End-Year: 2105.3 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A2310
Position: 010448.29+013516.0 Epoch-2000 right ascension and declination
WDS-ID: 01048+0135 WDS designation
Discoverer Code: A2310 Discover designation and components
ADS number: 884 Aitken Double Star catalog
HD number: 6387 HD catalog number
Hipparcos number: 5064 Hipparcos catalog number
V1: 9.49 Magnitude of the primary
V2: 10.36 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2017 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Tok2024a Reference

Double Star Orbit for A2310



WDS 6th Orbit including measures of A2310

-- 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 A2310
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.314   308.99
--------------------------
1944.70    0.081    98.06
1945.70    0.076    91.36
1946.70    0.072    83.84
1947.70    0.069    75.53
1948.70    0.067    66.61
1949.70    0.067    57.37
1950.70    0.068    48.19
1951.70    0.070    39.45
1952.70    0.074    31.41
1953.70    0.078    24.23
1954.70    0.084    17.92
1955.70    0.090    12.43
1956.70    0.097     7.67
1957.70    0.104     3.53
1958.70    0.111   359.92
1959.70    0.118   356.75
1960.70    0.126   353.96
1961.70    0.133   351.47
1962.70    0.141   349.26
1963.70    0.148   347.26
1964.70    0.155   345.45
1965.70    0.162   343.80
1966.70    0.170   342.30
1967.70    0.177   340.91
1968.70    0.183   339.63
1969.70    0.190   338.44
1970.70    0.197   337.33
1971.70    0.203   336.29
1972.70    0.209   335.31
1973.70    0.215   334.39
1974.70    0.221   333.52
1975.70    0.227   332.69
1976.70    0.233   331.91
1977.70    0.238   331.16
1978.70    0.244   330.44
1979.70    0.249   329.76
1980.70    0.254   329.10
1981.70    0.258   328.47
1982.70    0.263   327.85
1983.70    0.267   327.26
1984.70    0.272   326.69
1985.70    0.276   326.14
1986.70    0.280   325.60
1987.70    0.284   325.08
1988.70    0.287   324.57
1989.70    0.291   324.07
1990.70    0.294   323.58
1991.70    0.297   323.11
1992.70    0.300   322.64
1993.70    0.303   322.19
1994.70    0.306   321.74
1995.70    0.308   321.30
1996.70    0.311   320.87
1997.70    0.313   320.44
1998.70    0.315   320.02
1999.70    0.317   319.60
2000.70    0.319   319.19
2001.70    0.320   318.78
2002.70    0.322   318.38
2003.70    0.323   317.98
2004.70    0.324   317.58
2005.70    0.325   317.19
2006.70    0.326   316.80
2007.70    0.327   316.41
2008.70    0.327   316.02
2009.70    0.328   315.63
2010.70    0.328   315.25
2011.70    0.328   314.86
2012.70    0.328   314.48
2013.70    0.328   314.09
2014.70    0.328   313.71
2015.70    0.327   313.32
2016.70    0.327   312.93
2017.70    0.326   312.54
2018.70    0.325   312.15
2019.70    0.324   311.76
2020.70    0.323   311.36
2021.70    0.322   310.96
2022.70    0.320   310.56
2023.70    0.319   310.15
2024.70    0.317   309.74
2025.70    0.315   309.32
2026.70    0.313   308.90
2027.70    0.311   308.48
2028.70    0.309   308.05
2029.70    0.307   307.61
2030.70    0.304   307.16
2031.70    0.301   306.71
2032.70    0.298   306.25
2033.70    0.296   305.77
2034.70    0.292   305.29
2035.70    0.289   304.80
2036.70    0.286   304.30
2037.70    0.282   303.79
2038.70    0.279   303.26
2039.70    0.275   302.72
2040.70    0.271   302.16
2041.70    0.267   301.59
2042.70    0.263   301.00
2043.70    0.259   300.38
2044.70    0.254   299.75
2045.70    0.250   299.10
2046.70    0.245   298.42
2047.70    0.240   297.71
2048.70    0.235   296.98
2049.70    0.230   296.21
2050.70    0.225   295.41
2051.70    0.220   294.57
2052.70    0.214   293.68
2053.70    0.209   292.75
2054.70    0.203   291.77
2055.70    0.197   290.73
2056.70    0.191   289.63
2057.70    0.185   288.46
2058.70    0.179   287.21
2059.70    0.173   285.88
2060.70    0.167   284.44
2061.70    0.161   282.89
2062.70    0.154   281.22
2063.70    0.148   279.40
2064.70    0.142   277.42
2065.70    0.135   275.26
2066.70    0.129   272.88
2067.70    0.123   270.26
2068.70    0.117   267.36
2069.70    0.111   264.15
2070.70    0.105   260.57
2071.70    0.099   256.59
2072.70    0.094   252.16
2073.70    0.090   247.24
2074.70    0.085   241.81
2075.70    0.082   235.87
2076.70    0.079   229.46
2077.70    0.077   222.67
2078.70    0.076   215.63
2079.70    0.076   208.50
2080.70    0.077   201.45
2081.70    0.079   194.64
2082.70    0.082   188.20
2083.70    0.085   182.19
2084.70    0.088   176.65
2085.70    0.092   171.57
2086.70    0.097   166.92
2087.70    0.101   162.66
2088.70    0.105   158.73
2089.70    0.109   155.09
2090.70    0.112   151.68
2091.70    0.115   148.45
2092.70    0.117   145.37
2093.70    0.119   142.38
2094.70    0.119   139.45
2095.70    0.119   136.52
2096.70    0.118   133.57
2097.70    0.116   130.53
2098.70    0.113   127.36
2099.70    0.109   124.00
2100.70    0.105   120.39
2101.70    0.100   116.45
2102.70    0.095   112.08
2103.70    0.090   107.20
2104.70    0.084   101.70






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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 14:47:01



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