Double Star Calculator - Orbit

Orbital Elements for HU983

WDS:	HU983	WDS ID/Discoverer
P:	132.430	Orbital period (years)
a:	0.185	Semi-major axis (arcseconds)
i:	68.7	Inclination (degrees)
Ω:	144.7	Longitude of ascending node (degrees)
T:	2005.270	Epoch of periastron passage (year)
e:	0.745	Eccentricity
ω:	226.0	Longitude of periastron (degrees)
Start-Year:	1958.785	Year
End-Year:	2091.215	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU983
Position:	223354.64+654953.9	Epoch-2000 right ascension and declination
WDS-ID:	22339+6550	WDS designation
Discoverer Code:	HU983	Discover designation and components
ADS number:	16072	Aitken Double Star catalog
HD number:	214051	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	8.2	Magnitude of the primary
V2:	8.5	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	1998	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:	Zir2007	Reference

Double Star Orbit for HU983

WDS 6th Orbit including measures of HU983

-- 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 HU983

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.205   148.48
--------------------------
1958.79    0.185   175.13
1959.79    0.181   175.80
1960.79    0.177   176.50
1961.79    0.174   177.24
1962.79    0.170   178.00
1963.79    0.166   178.80
1964.79    0.162   179.64
1965.79    0.158   180.52
1966.79    0.154   181.44
1967.79    0.150   182.42
1968.79    0.146   183.45
1969.79    0.142   184.54
1970.79    0.137   185.69
1971.79    0.133   186.93
1972.79    0.129   188.24
1973.79    0.125   189.64
1974.79    0.120   191.15
1975.79    0.116   192.77
1976.79    0.111   194.52
1977.79    0.107   196.41
1978.79    0.103   198.46
1979.79    0.098   200.69
1980.79    0.094   203.13
1981.79    0.090   205.80
1982.79    0.086   208.73
1983.79    0.082   211.95
1984.79    0.078   215.49
1985.79    0.074   219.39
1986.79    0.071   223.68
1987.79    0.068   228.38
1988.79    0.065   233.51
1989.79    0.063   239.05
1990.79    0.061   244.98
1991.79    0.059   251.25
1992.79    0.058   257.76
1993.79    0.058   264.41
1994.79    0.058   271.08
1995.79    0.059   277.67
1996.79    0.060   284.09
1997.79    0.061   290.31
1998.79    0.062   296.30
1999.79    0.063   302.11
2000.79    0.063   307.85
2001.79    0.061   313.68
2002.79    0.058   319.94
2003.79    0.052   327.36
2004.79    0.041   337.77
2005.79    0.028   357.12
2006.79    0.019    42.23
2007.79    0.026    91.94
2008.79    0.041   113.14
2009.79    0.057   122.82
2010.79    0.072   128.37
2011.79    0.085   132.06
2012.79    0.098   134.74
2013.79    0.110   136.83
2014.79    0.121   138.53
2015.79    0.131   139.95
2016.79    0.140   141.18
2017.79    0.149   142.25
2018.79    0.157   143.21
2019.79    0.165   144.08
2020.79    0.172   144.87
2021.79    0.179   145.61
2022.79    0.185   146.29
2023.79    0.191   146.92
2024.79    0.197   147.52
2025.79    0.202   148.09
2026.79    0.207   148.63
2027.79    0.211   149.14
2028.79    0.216   149.64
2029.79    0.220   150.11
2030.79    0.224   150.57
2031.79    0.227   151.01
2032.79    0.230   151.45
2033.79    0.234   151.86
2034.79    0.236   152.27
2035.79    0.239   152.67
2036.79    0.242   153.06
2037.79    0.244   153.44
2038.79    0.246   153.82
2039.79    0.248   154.19
2040.79    0.250   154.55
2041.79    0.251   154.91
2042.79    0.253   155.27
2043.79    0.254   155.62
2044.79    0.255   155.97
2045.79    0.256   156.31
2046.79    0.257   156.65
2047.79    0.258   157.00
2048.78    0.258   157.33
2049.78    0.259   157.67
2050.78    0.259   158.01
2051.78    0.259   158.35
2052.78    0.259   158.68
2053.78    0.259   159.02
2054.78    0.259   159.35
2055.78    0.258   159.69
2056.78    0.258   160.03
2057.78    0.257   160.37
2058.78    0.257   160.71
2059.78    0.256   161.05
2060.78    0.255   161.40
2061.78    0.254   161.75
2062.78    0.253   162.10
2063.78    0.252   162.45
2064.78    0.251   162.81
2065.78    0.249   163.17
2066.78    0.248   163.53
2067.78    0.246   163.90
2068.78    0.245   164.28
2069.78    0.243   164.66
2070.78    0.241   165.04
2071.78    0.239   165.43
2072.78    0.237   165.83
2073.78    0.235   166.24
2074.78    0.233   166.65
2075.78    0.230   167.07
2076.78    0.228   167.50
2077.78    0.225   167.94
2078.78    0.223   168.38
2079.78    0.220   168.84
2080.78    0.218   169.31
2081.78    0.215   169.80
2082.78    0.212   170.29
2083.78    0.209   170.80
2084.78    0.206   171.32
2085.78    0.203   171.86
2086.78    0.200   172.42
2087.78    0.196   173.00
2088.78    0.193   173.59
2089.78    0.190   174.21
2090.78    0.186   174.85

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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.

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Double Star Calculator:		Version 1.2 ($Rev: 2397 $)
Report created:		2026-06-25 18:41:32