Double Star Calculator - Orbit

Orbital Elements for HU83

WDS:	HU83	WDS ID/Discoverer
P:	174.000	Orbital period (years)
a:	0.251	Semi-major axis (arcseconds)
i:	47.0	Inclination (degrees)
Ω:	101.5	Longitude of ascending node (degrees)
T:	2055.000	Epoch of periastron passage (year)
e:	0.21	Eccentricity
ω:	93.6	Longitude of periastron (degrees)
Start-Year:	1938.0	Year
End-Year:	2112.0	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU83
Position:	205905.38-131256.6	Epoch-2000 right ascension and declination
WDS-ID:	20591-1313	WDS designation
Discoverer Code:	HU83	Discover designation and components
ADS number:	14492	Aitken Double Star catalog
HD number:	199668	HD catalog number
Hipparcos number:	103574	Hipparcos catalog number
V1:	9.38	Magnitude of the primary
V2:	9.41	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2008	Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Hrt2010a	Reference

Double Star Orbit for HU83

WDS 6th Orbit including measures of HU83

-- 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 HU83

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.231   109.38
--------------------------
1938.00    0.234   320.73
1939.00    0.233   322.33
1940.00    0.231   323.94
1941.00    0.230   325.57
1942.00    0.229   327.23
1943.00    0.227   328.90
1944.00    0.226   330.60
1945.00    0.224   332.32
1946.00    0.223   334.06
1947.00    0.221   335.82
1948.00    0.220   337.61
1949.00    0.219   339.42
1950.00    0.217   341.25
1951.00    0.216   343.10
1952.00    0.215   344.97
1953.00    0.214   346.86
1954.00    0.213   348.78
1955.00    0.212   350.71
1956.00    0.211   352.65
1957.00    0.210   354.62
1958.00    0.209   356.60
1959.00    0.209   358.59
1960.00    0.208     0.59
1961.00    0.208     2.60
1962.00    0.207     4.62
1963.00    0.207     6.64
1964.00    0.207     8.67
1965.00    0.207    10.70
1966.00    0.207    12.73
1967.00    0.207    14.75
1968.00    0.208    16.77
1969.00    0.208    18.78
1970.00    0.209    20.79
1971.00    0.209    22.78
1972.00    0.210    24.76
1973.00    0.211    26.73
1974.00    0.212    28.68
1975.00    0.213    30.61
1976.00    0.214    32.53
1977.00    0.215    34.42
1978.00    0.216    36.30
1979.00    0.217    38.15
1980.00    0.219    39.98
1981.00    0.220    41.79
1982.00    0.221    43.57
1983.00    0.223    45.33
1984.00    0.224    47.07
1985.00    0.226    48.79
1986.00    0.227    50.48
1987.00    0.229    52.15
1988.00    0.231    53.79
1989.00    0.232    55.41
1990.00    0.234    57.01
1991.00    0.235    58.59
1992.00    0.237    60.15
1993.00    0.238    61.69
1994.00    0.240    63.21
1995.00    0.241    64.71
1996.00    0.243    66.19
1997.00    0.244    67.66
1998.00    0.245    69.11
1999.00    0.247    70.54
2000.00    0.248    71.96
2001.00    0.249    73.37
2002.00    0.250    74.77
2003.00    0.251    76.16
2004.00    0.252    77.54
2005.00    0.252    78.91
2006.00    0.253    80.27
2007.00    0.253    81.63
2008.00    0.254    82.98
2009.00    0.254    84.33
2010.00    0.254    85.68
2011.00    0.254    87.03
2012.00    0.253    88.38
2013.00    0.253    89.74
2014.00    0.253    91.10
2015.00    0.252    92.46
2016.00    0.251    93.84
2017.00    0.250    95.22
2018.00    0.249    96.62
2019.00    0.247    98.04
2020.00    0.246    99.47
2021.00    0.244   100.92
2022.00    0.242   102.39
2023.00    0.240   103.89
2024.00    0.237   105.42
2025.00    0.235   106.97
2026.00    0.232   108.57
2027.00    0.229   110.20
2028.00    0.226   111.88
2029.00    0.223   113.60
2030.00    0.219   115.38
2031.00    0.216   117.21
2032.00    0.212   119.11
2033.00    0.208   121.08
2034.00    0.204   123.13
2035.00    0.200   125.26
2036.00    0.195   127.49
2037.00    0.191   129.82
2038.00    0.187   132.26
2039.00    0.182   134.82
2040.00    0.177   137.51
2041.00    0.173   140.34
2042.00    0.168   143.32
2043.00    0.164   146.47
2044.00    0.160   149.79
2045.00    0.156   153.28
2046.00    0.152   156.96
2047.00    0.148   160.82
2048.00    0.145   164.86
2049.00    0.142   169.07
2050.00    0.140   173.45
2051.00    0.138   177.96
2052.00    0.136   182.58
2053.00    0.136   187.28
2054.00    0.135   192.03
2055.00    0.136   196.77
2056.00    0.136   201.48
2057.00    0.138   206.11
2058.00    0.140   210.63
2059.00    0.142   215.01
2060.00    0.145   219.24
2061.00    0.148   223.30
2062.00    0.152   227.18
2063.00    0.155   230.87
2064.00    0.159   234.38
2065.00    0.164   237.72
2066.00    0.168   240.89
2067.00    0.172   243.89
2068.00    0.177   246.75
2069.00    0.181   249.47
2070.00    0.186   252.05
2071.00    0.190   254.52
2072.00    0.194   256.87
2073.00    0.198   259.13
2074.00    0.202   261.29
2075.00    0.206   263.37
2076.00    0.210   265.37
2077.00    0.214   267.31
2078.00    0.217   269.18
2079.00    0.221   270.99
2080.00    0.224   272.75
2081.00    0.227   274.47
2082.00    0.229   276.14
2083.00    0.232   277.78
2084.00    0.234   279.38
2085.00    0.236   280.96
2086.00    0.238   282.50
2087.00    0.240   284.02
2088.00    0.241   285.53
2089.00    0.243   287.01
2090.00    0.244   288.48
2091.00    0.245   289.94
2092.00    0.246   291.38
2093.00    0.246   292.82
2094.00    0.247   294.25
2095.00    0.247   295.68
2096.00    0.247   297.10
2097.00    0.247   298.52
2098.00    0.247   299.95
2099.00    0.247   301.37
2100.00    0.246   302.80
2101.00    0.246   304.24
2102.00    0.245   305.68
2103.00    0.245   307.13
2104.00    0.244   308.59
2105.00    0.243   310.06
2106.00    0.242   311.54
2107.00    0.241   313.03
2108.00    0.239   314.54
2109.00    0.238   316.06
2110.00    0.237   317.60
2111.00    0.236   319.16

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 18:21:02