Double Star Calculator - Orbit

Orbital Elements for HU29

WDS:	HU29	WDS ID/Discoverer
P:	117.140	Orbital period (years)
a:	0.236	Semi-major axis (arcseconds)
i:	53.7	Inclination (degrees)
Ω:	147.5	Longitude of ascending node (degrees)
T:	2057.280	Epoch of periastron passage (year)
e:	0.966	Eccentricity
ω:	332.0	Longitude of periastron (degrees)
Start-Year:	1966.43	Year
End-Year:	2083.57	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU29
Position:	035936.89-101922.3	Epoch-2000 right ascension and declination
WDS-ID:	03596-1019	WDS designation
Discoverer Code:	HU29	Discover designation and components
ADS number:	2921	Aitken Double Star catalog
HD number:	25164	HD catalog number
Hipparcos number:	18655	Hipparcos catalog number
V1:	8.83	Magnitude of the primary
V2:	9.3	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2023	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:	Doc2025b	Reference

Double Star Orbit for HU29

WDS 6th Orbit including measures of HU29

-- 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 HU29

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.377   314.28
--------------------------
1966.43    0.326   304.45
1967.43    0.332   304.69
1968.43    0.338   304.92
1969.43    0.344   305.15
1970.43    0.349   305.37
1971.43    0.355   305.58
1972.43    0.360   305.78
1973.43    0.365   305.98
1974.43    0.369   306.18
1975.43    0.374   306.37
1976.43    0.378   306.55
1977.43    0.382   306.73
1978.43    0.386   306.91
1979.43    0.390   307.08
1980.43    0.394   307.26
1981.43    0.397   307.42
1982.43    0.400   307.59
1983.43    0.403   307.75
1984.43    0.406   307.91
1985.43    0.409   308.07
1986.43    0.411   308.22
1987.43    0.414   308.38
1988.43    0.416   308.53
1989.43    0.418   308.68
1990.43    0.420   308.83
1991.43    0.422   308.98
1992.43    0.423   309.12
1993.43    0.425   309.27
1994.43    0.426   309.41
1995.43    0.427   309.56
1996.43    0.428   309.70
1997.43    0.429   309.84
1998.43    0.429   309.99
1999.43    0.430   310.13
2000.43    0.430   310.27
2001.43    0.430   310.41
2002.43    0.430   310.55
2003.43    0.430   310.70
2004.43    0.430   310.84
2005.43    0.429   310.98
2006.43    0.428   311.12
2007.43    0.428   311.27
2008.43    0.427   311.41
2009.43    0.425   311.55
2010.43    0.424   311.70
2011.43    0.423   311.84
2012.43    0.421   311.99
2013.43    0.419   312.14
2014.43    0.417   312.29
2015.43    0.415   312.44
2016.43    0.412   312.60
2017.43    0.410   312.75
2018.43    0.407   312.91
2019.43    0.404   313.07
2020.43    0.401   313.23
2021.43    0.397   313.39
2022.43    0.394   313.56
2023.43    0.390   313.73
2024.43    0.386   313.91
2025.43    0.382   314.08
2026.43    0.378   314.26
2027.43    0.373   314.45
2028.43    0.368   314.64
2029.43    0.363   314.84
2030.43    0.358   315.04
2031.43    0.352   315.25
2032.43    0.346   315.46
2033.43    0.340   315.69
2034.43    0.333   315.92
2035.43    0.327   316.16
2036.43    0.320   316.41
2037.43    0.312   316.67
2038.43    0.304   316.95
2039.43    0.296   317.24
2040.43    0.288   317.54
2041.43    0.279   317.87
2042.43    0.270   318.22
2043.43    0.260   318.59
2044.43    0.250   319.00
2045.43    0.239   319.44
2046.43    0.227   319.92
2047.43    0.215   320.46
2048.43    0.202   321.06
2049.43    0.188   321.75
2050.43    0.173   322.55
2051.43    0.157   323.51
2052.43    0.140   324.70
2053.43    0.120   326.25
2054.43    0.098   328.45
2055.43    0.073   332.07
2056.43    0.040   340.78
2057.43    0.010   179.44
2058.43    0.034   266.67
2059.43    0.057   280.07
2060.43    0.078   285.87
2061.43    0.097   289.32
2062.43    0.114   291.69
2063.43    0.130   293.46
2064.43    0.144   294.86
2065.43    0.158   296.01
2066.43    0.171   296.97
2067.43    0.184   297.80
2068.43    0.196   298.53
2069.43    0.207   299.17
2070.43    0.218   299.75
2071.43    0.228   300.28
2072.43    0.238   300.76
2073.43    0.248   301.21
2074.43    0.257   301.62
2075.43    0.265   302.00
2076.43    0.274   302.37
2077.43    0.282   302.70
2078.43    0.290   303.02
2079.43    0.297   303.33
2080.43    0.305   303.62
2081.43    0.312   303.89
2082.43    0.318   304.16
2083.43    0.325   304.41

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 15:16:51