Double Star Calculator - Orbit

Orbital Elements for HU422

WDS:	HU422	WDS ID/Discoverer
P:	116.000	Orbital period (years)
a:	0.264	Semi-major axis (arcseconds)
i:	120.1	Inclination (degrees)
Ω:	0.0	Longitude of ascending node (degrees)
T:	1949.800	Epoch of periastron passage (year)
e:	0.478	Eccentricity
ω:	130.4	Longitude of periastron (degrees)
Start-Year:	1967.0	Year
End-Year:	2083.0	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU422
Position:	014940.24-141356.9	Epoch-2000 right ascension and declination
WDS-ID:	01497-1414	WDS designation
Discoverer Code:	HU422	Discover designation and components
ADS number:	1451	Aitken Double Star catalog
HD number:	11182	HD catalog number
Hipparcos number:	8504	Hipparcos catalog number
V1:	9.18	Magnitude of the primary
V2:	9.01	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:	Doc2014a	Reference

Double Star Orbit for HU422

WDS 6th Orbit including measures of HU422

-- 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 HU422

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.335    13.15
--------------------------
1967.00    0.161   138.85
1968.00    0.159   135.11
1969.00    0.157   131.29
1970.00    0.156   127.40
1971.00    0.155   123.44
1972.00    0.154   119.43
1973.00    0.153   115.38
1974.00    0.153   111.32
1975.00    0.154   107.27
1976.00    0.154   103.25
1977.00    0.156    99.29
1978.00    0.157    95.40
1979.00    0.160    91.61
1980.00    0.162    87.92
1981.00    0.165    84.36
1982.00    0.168    80.93
1983.00    0.172    77.64
1984.00    0.176    74.49
1985.00    0.180    71.48
1986.00    0.185    68.62
1987.00    0.189    65.89
1988.00    0.194    63.29
1989.00    0.199    60.83
1990.00    0.204    58.48
1991.00    0.209    56.25
1992.00    0.215    54.13
1993.00    0.220    52.11
1994.00    0.225    50.19
1995.00    0.231    48.36
1996.00    0.236    46.60
1997.00    0.241    44.93
1998.00    0.247    43.33
1999.00    0.252    41.79
2000.00    0.257    40.32
2001.00    0.262    38.91
2002.00    0.267    37.54
2003.00    0.272    36.23
2004.00    0.277    34.96
2005.00    0.281    33.74
2006.00    0.286    32.55
2007.00    0.290    31.40
2008.00    0.294    30.29
2009.00    0.298    29.20
2010.00    0.302    28.15
2011.00    0.306    27.12
2012.00    0.310    26.11
2013.00    0.313    25.13
2014.00    0.316    24.17
2015.00    0.319    23.22
2016.00    0.322    22.29
2017.00    0.324    21.38
2018.00    0.326    20.48
2019.00    0.329    19.59
2020.00    0.330    18.71
2021.00    0.332    17.84
2022.00    0.333    16.98
2023.00    0.334    16.13
2024.00    0.335    15.27
2025.00    0.335    14.43
2026.00    0.335    13.58
2027.00    0.335    12.73
2028.00    0.335    11.88
2029.00    0.334    11.03
2030.00    0.333    10.17
2031.00    0.331     9.31
2032.00    0.329     8.43
2033.00    0.327     7.55
2034.00    0.324     6.65
2035.00    0.321     5.74
2036.00    0.318     4.80
2037.00    0.314     3.85
2038.00    0.310     2.87
2039.00    0.305     1.86
2040.00    0.299     0.81
2041.00    0.294   359.73
2042.00    0.287   358.60
2043.00    0.280   357.42
2044.00    0.273   356.18
2045.00    0.265   354.86
2046.00    0.257   353.46
2047.00    0.247   351.96
2048.00    0.238   350.34
2049.00    0.227   348.57
2050.00    0.216   346.63
2051.00    0.204   344.47
2052.00    0.192   342.04
2053.00    0.179   339.26
2054.00    0.165   336.04
2055.00    0.151   332.23
2056.00    0.137   327.62
2057.00    0.122   321.94
2058.00    0.108   314.75
2059.00    0.095   305.52
2060.00    0.084   293.64
2061.00    0.077   278.86
2062.00    0.074   262.01
2063.00    0.077   245.15
2064.00    0.084   230.33
2065.00    0.094   218.30
2066.00    0.106   208.78
2067.00    0.118   201.15
2068.00    0.129   194.89
2069.00    0.139   189.58
2070.00    0.147   184.93
2071.00    0.154   180.75
2072.00    0.160   176.89
2073.00    0.164   173.26
2074.00    0.167   169.78
2075.00    0.168   166.39
2076.00    0.169   163.04
2077.00    0.169   159.72
2078.00    0.169   156.38
2079.00    0.167   153.00
2080.00    0.166   149.57
2081.00    0.164   146.08
2082.00    0.162   142.50

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 14:54:02