Double Star Calculator - Orbit

Orbital Elements for HU937

WDS:	HU937	WDS ID/Discoverer
P:	225.530	Orbital period (years)
a:	0.997	Semi-major axis (arcseconds)
i:	80.1	Inclination (degrees)
Ω:	166.8	Longitude of ascending node (degrees)
T:	1678.600	Epoch of periastron passage (year)
e:	0.8	Eccentricity
ω:	304.4	Longitude of periastron (degrees)
Start-Year:	1912.235	Year
End-Year:	2137.765	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU937
Position:	184613.38+641144.4	Epoch-2000 right ascension and declination
WDS-ID:	18462+6412	WDS designation
Discoverer Code:	HU937	Discover designation and components
ADS number:	11692	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	92100	Hipparcos catalog number
V1:	8.85	Magnitude of the primary
V2:	9.90	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2003	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:	USN2006b	Reference

Double Star Orbit for HU937

WDS 6th Orbit including measures of HU937

-- 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 HU937

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.108   334.06
--------------------------
1912.23    0.301   177.55
1913.23    0.298   179.37
1914.23    0.293   181.24
1915.23    0.287   183.19
1916.23    0.280   185.23
1917.23    0.271   187.39
1918.23    0.263   189.68
1919.23    0.254   192.13
1920.23    0.245   194.76
1921.23    0.236   197.60
1922.23    0.227   200.66
1923.23    0.218   203.96
1924.23    0.210   207.53
1925.23    0.203   211.37
1926.23    0.196   215.50
1927.23    0.190   219.91
1928.23    0.185   224.58
1929.23    0.181   229.48
1930.23    0.178   234.56
1931.23    0.177   239.77
1932.23    0.177   245.01
1933.23    0.178   250.23
1934.23    0.181   255.33
1935.23    0.184   260.25
1936.23    0.189   264.94
1937.23    0.196   269.36
1938.23    0.203   273.50
1939.23    0.211   277.33
1940.23    0.219   280.88
1941.23    0.229   284.14
1942.23    0.239   287.14
1943.23    0.249   289.89
1944.23    0.260   292.42
1945.23    0.271   294.74
1946.23    0.283   296.87
1947.23    0.295   298.83
1948.23    0.307   300.64
1949.23    0.319   302.31
1950.23    0.331   303.86
1951.23    0.344   305.30
1952.23    0.356   306.63
1953.23    0.369   307.88
1954.23    0.382   309.04
1955.23    0.395   310.12
1956.23    0.407   311.14
1957.23    0.420   312.10
1958.23    0.433   313.00
1959.23    0.446   313.85
1960.23    0.458   314.65
1961.23    0.471   315.41
1962.23    0.484   316.13
1963.23    0.496   316.81
1964.23    0.509   317.46
1965.23    0.522   318.07
1966.23    0.534   318.66
1967.23    0.546   319.22
1968.23    0.559   319.76
1969.23    0.571   320.27
1970.23    0.583   320.76
1971.23    0.596   321.23
1972.23    0.608   321.68
1973.23    0.620   322.12
1974.23    0.632   322.54
1975.23    0.643   322.94
1976.23    0.655   323.33
1977.23    0.667   323.70
1978.23    0.678   324.06
1979.23    0.690   324.41
1980.23    0.701   324.75
1981.23    0.713   325.08
1982.23    0.724   325.40
1983.23    0.735   325.71
1984.23    0.746   326.00
1985.23    0.757   326.29
1986.23    0.768   326.58
1987.23    0.778   326.85
1988.23    0.789   327.12
1989.23    0.800   327.38
1990.23    0.810   327.63
1991.23    0.820   327.87
1992.23    0.830   328.11
1993.23    0.841   328.35
1994.23    0.851   328.58
1995.23    0.860   328.80
1996.23    0.870   329.02
1997.23    0.880   329.23
1998.23    0.889   329.44
1999.23    0.899   329.65
2000.23    0.908   329.85
2001.23    0.917   330.05
2002.23    0.926   330.24
2003.23    0.935   330.43
2004.23    0.944   330.61
2005.23    0.953   330.79
2006.23    0.961   330.97
2007.23    0.970   331.15
2008.23    0.978   331.32
2009.23    0.986   331.49
2010.23    0.995   331.66
2011.23    1.003   331.82
2012.23    1.010   331.98
2013.23    1.018   332.14
2014.23    1.026   332.30
2015.23    1.033   332.45
2016.23    1.041   332.61
2017.23    1.048   332.76
2018.23    1.055   332.90
2019.23    1.062   333.05
2020.23    1.069   333.19
2021.23    1.075   333.34
2022.23    1.082   333.48
2023.23    1.088   333.62
2024.23    1.095   333.75
2025.23    1.101   333.89
2026.23    1.107   334.02
2027.23    1.112   334.16
2028.23    1.118   334.29
2029.23    1.124   334.42
2030.23    1.129   334.55
2031.23    1.134   334.68
2032.23    1.139   334.80
2033.23    1.144   334.93
2034.23    1.149   335.05
2035.23    1.154   335.18
2036.23    1.158   335.30
2037.23    1.163   335.42
2038.23    1.167   335.54
2039.23    1.171   335.66
2040.23    1.175   335.78
2041.23    1.178   335.90
2042.23    1.182   336.01
2043.23    1.185   336.13
2044.23    1.188   336.25
2045.23    1.191   336.36
2046.23    1.194   336.48
2047.23    1.197   336.59
2048.23    1.199   336.71
2049.23    1.201   336.82
2050.23    1.203   336.93
2051.23    1.205   337.05
2052.23    1.207   337.16
2053.23    1.209   337.27
2054.23    1.210   337.38
2055.23    1.211   337.50
2056.23    1.212   337.61
2057.23    1.213   337.72
2058.23    1.213   337.83
2059.23    1.213   337.94
2060.23    1.213   338.05
2061.23    1.213   338.16
2062.23    1.213   338.27
2063.23    1.212   338.39
2064.23    1.211   338.50
2065.23    1.210   338.61
2066.23    1.209   338.72
2067.23    1.208   338.83
2068.23    1.206   338.94
2069.23    1.204   339.06
2070.23    1.201   339.17
2071.23    1.199   339.28
2072.23    1.196   339.40
2073.23    1.193   339.51
2074.23    1.189   339.63
2075.23    1.186   339.74
2076.23    1.182   339.86
2077.23    1.177   339.98
2078.23    1.173   340.10
2079.23    1.168   340.22
2080.23    1.163   340.34
2081.23    1.157   340.46
2082.23    1.151   340.58
2083.23    1.145   340.71
2084.23    1.138   340.83
2085.23    1.131   340.96
2086.23    1.124   341.09
2087.23    1.116   341.22
2088.23    1.108   341.35
2089.23    1.099   341.48
2090.23    1.090   341.62
2091.23    1.081   341.76
2092.23    1.071   341.90
2093.23    1.061   342.05
2094.23    1.050   342.19
2095.23    1.038   342.34
2096.23    1.026   342.50
2097.23    1.014   342.65
2098.23    1.001   342.81
2099.23    0.987   342.98
2100.23    0.973   343.15
2101.23    0.958   343.33
2102.23    0.942   343.51
2103.23    0.925   343.70
2104.23    0.908   343.89
2105.23    0.890   344.09
2106.23    0.871   344.30
2107.23    0.852   344.52
2108.23    0.831   344.76
2109.23    0.809   345.00
2110.23    0.786   345.26
2111.23    0.762   345.53
2112.23    0.737   345.82
2113.23    0.710   346.13
2114.23    0.682   346.47
2115.23    0.652   346.84
2116.23    0.620   347.25
2117.23    0.586   347.70
2118.23    0.551   348.20
2119.23    0.512   348.78
2120.23    0.471   349.46
2121.23    0.427   350.27
2122.23    0.380   351.28
2123.23    0.329   352.59
2124.23    0.273   354.41
2125.23    0.212   357.22
2126.23    0.147     2.44
2127.23    0.080    16.46
2128.23    0.038    87.76
2129.23    0.088   145.93
2130.23    0.152   158.02
2131.23    0.205   163.21
2132.23    0.243   166.46
2133.23    0.270   168.94
2134.23    0.287   171.05
2135.23    0.296   172.97
2136.23    0.301   174.80
2137.23    0.302   176.60

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 17:55:25