Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:29:35

Orbital Elements for A1956
WDS: A1956 WDS ID/Discoverer
P: 110.900 Orbital period (years)
a: 0.3705 Semi-major axis (arcseconds)
i: 115.1 Inclination (degrees)
Ω: 67.2 Longitude of ascending node (degrees)
T: 2002.600 Epoch of periastron passage (year)
e: 0.437 Eccentricity
ω: 354.5 Longitude of periastron (degrees)
Start-Year: 1970.0 Year
End-Year: 2080.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A1956
Position: 065129.34+035818.4 Epoch-2000 right ascension and declination
WDS-ID: 06515+0358 WDS designation
Discoverer Code: A1956 Discover designation and components
ADS number: 5519 Aitken Double Star catalog
HD number: 50022 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.2 Magnitude of the primary
V2: 10.1 Magnitude of the secondary
Equinox: Equinox
Date: 2019 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for A1956



WDS 6th Orbit including measures of A1956

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of A1956
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.231    287.0
-------------------------
1970.0     0.416    233.5
1971.0     0.404    232.5
1972.0     0.392    231.4
1973.0     0.380    230.3
1974.0     0.367    229.1
1975.0     0.353    227.8
1976.0     0.339    226.4
1977.0     0.324    224.8
1978.0     0.309    223.1
1979.0     0.294    221.2
1980.0     0.278    219.1
1981.0     0.261    216.8
1982.0     0.245    214.2
1983.0     0.228    211.1
1984.0     0.212    207.6
1985.0     0.195    203.5
1986.0     0.179    198.6
1987.0     0.164    192.8
1988.0     0.150    185.8
1989.0     0.138    177.6
1990.0     0.128    167.9
1991.0     0.122    157.0
1992.0     0.120    145.2
1993.0     0.122    133.5
1994.0     0.128    122.5
1995.0     0.136    112.7
1996.0     0.147    104.3
1997.0     0.159     97.0
1998.0     0.171     90.7
1999.0     0.182     85.3
2000.0     0.192     80.5
2001.0     0.200     76.0
2002.0     0.206     71.9
2003.0     0.209     68.0
2004.0     0.209     64.1
2005.0     0.206     60.1
2006.0     0.201     56.0
2007.0     0.194     51.7
2008.0     0.185     47.0
2009.0     0.176     41.8
2010.0     0.165     35.9
2011.0     0.155     29.3
2012.0     0.146     21.7
2013.0     0.138     13.3
2014.0     0.133      4.0
2015.0     0.130    354.1
2016.0     0.130    344.0
2017.0     0.134    334.3
2018.0     0.141    325.2
2019.0     0.150    317.2
2020.0     0.161    310.1
2021.0     0.174    304.0
2022.0     0.187    298.8
2023.0     0.202    294.3
2024.0     0.216    290.4
2025.0     0.231    287.0
2026.0     0.247    284.0
2027.0     0.262    281.4
2028.0     0.277    279.0
2029.0     0.291    276.9
2030.0     0.306    275.0
2031.0     0.320    273.3
2032.0     0.334    271.7
2033.0     0.347    270.2
2034.0     0.360    268.8
2035.0     0.373    267.6
2036.0     0.385    266.4
2037.0     0.397    265.3
2038.0     0.408    264.2
2039.0     0.419    263.2
2040.0     0.429    262.3
2041.0     0.439    261.4
2042.0     0.448    260.5
2043.0     0.457    259.7
2044.0     0.466    258.9
2045.0     0.474    258.1
2046.0     0.481    257.4
2047.0     0.488    256.7
2048.0     0.494    255.9
2049.0     0.500    255.3
2050.0     0.506    254.6
2051.0     0.510    253.9
2052.0     0.515    253.3
2053.0     0.519    252.6
2054.0     0.522    252.0
2055.0     0.525    251.4
2056.0     0.527    250.8
2057.0     0.529    250.2
2058.0     0.530    249.6
2059.0     0.531    249.0
2060.0     0.531    248.4
2061.0     0.531    247.8
2062.0     0.530    247.2
2063.0     0.529    246.6
2064.0     0.527    245.9
2065.0     0.525    245.3
2066.0     0.522    244.7
2067.0     0.519    244.1
2068.0     0.515    243.4
2069.0     0.510    242.8
2070.0     0.505    242.1
2071.0     0.500    241.5
2072.0     0.494    240.8
2073.0     0.487    240.1
2074.0     0.480    239.3
2075.0     0.472    238.6
2076.0     0.464    237.8
2077.0     0.455    237.0
2078.0     0.446    236.2
2079.0     0.436    235.3






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 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.


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