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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:30:02

Orbital Elements for HDS2163
WDS: HDS2163 WDS ID/Discoverer
P: 130.910 Orbital period (years)
a: 0.261 Semi-major axis (arcseconds)
i: 66.0 Inclination (degrees)
Ω: 3.7 Longitude of ascending node (degrees)
T: 1993.530 Epoch of periastron passage (year)
e: 0.483 Eccentricity
ω: 39.2 Longitude of periastron (degrees)
Start-Year: 1960.0 Year
End-Year: 2090.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS2163
Position: 152235.11+725415.2 Epoch-2000 right ascension and declination
WDS-ID: 15226+7254 WDS designation
Discoverer Code: HDS2163 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 137825 HD catalog number
Hipparcos number: 75248 Hipparcos catalog number
V1: 9.22 Magnitude of the primary
V2: 10.62 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2010 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for HDS2163



WDS 6th Orbit including measures of HDS2163

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


Ephemeris of HDS2163
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.308    182.0
-------------------------
1960.0     0.141    248.3
1961.0     0.136    251.8
1962.0     0.131    255.5
1963.0     0.127    259.6
1964.0     0.123    263.8
1965.0     0.120    268.3
1966.0     0.117    273.1
1967.0     0.116    278.0
1968.0     0.114    283.1
1969.0     0.114    288.2
1970.0     0.114    293.4
1971.0     0.115    298.5
1972.0     0.116    303.5
1973.0     0.118    308.4
1974.0     0.120    313.1
1975.0     0.123    317.6
1976.0     0.127    321.9
1977.0     0.130    325.9
1978.0     0.134    329.7
1979.0     0.137    333.4
1980.0     0.141    336.8
1981.0     0.144    340.1
1982.0     0.147    343.2
1983.0     0.150    346.3
1984.0     0.151    349.2
1985.0     0.152    352.1
1986.0     0.152    355.0
1987.0     0.151    357.8
1988.0     0.149      0.8
1989.0     0.145      3.9
1990.0     0.140      7.1
1991.0     0.133     10.7
1992.0     0.125     14.7
1993.0     0.116     19.3
1994.0     0.105     24.8
1995.0     0.094     31.5
1996.0     0.083     40.1
1997.0     0.073     51.1
1998.0     0.066     65.2
1999.0     0.062     81.7
2000.0     0.063     99.0
2001.0     0.069    114.4
2002.0     0.078    126.8
2003.0     0.090    136.3
2004.0     0.102    143.6
2005.0     0.115    149.3
2006.0     0.129    153.7
2007.0     0.142    157.4
2008.0     0.155    160.4
2009.0     0.168    163.0
2010.0     0.180    165.2
2011.0     0.192    167.1
2012.0     0.203    168.8
2013.0     0.214    170.4
2014.0     0.224    171.7
2015.0     0.234    173.0
2016.0     0.244    174.2
2017.0     0.253    175.3
2018.0     0.261    176.3
2019.0     0.269    177.2
2020.0     0.276    178.1
2021.0     0.284    179.0
2022.0     0.290    179.8
2023.0     0.297    180.6
2024.0     0.302    181.3
2025.0     0.308    182.0
2026.0     0.313    182.7
2027.0     0.318    183.4
2028.0     0.322    184.0
2029.0     0.326    184.7
2030.0     0.330    185.3
2031.0     0.333    185.9
2032.0     0.336    186.5
2033.0     0.339    187.1
2034.0     0.341    187.7
2035.0     0.343    188.2
2036.0     0.345    188.8
2037.0     0.346    189.4
2038.0     0.348    189.9
2039.0     0.348    190.5
2040.0     0.349    191.0
2041.0     0.349    191.6
2042.0     0.350    192.1
2043.0     0.349    192.7
2044.0     0.349    193.2
2045.0     0.348    193.7
2046.0     0.347    194.3
2047.0     0.346    194.9
2048.0     0.345    195.4
2049.0     0.343    196.0
2050.0     0.342    196.5
2051.0     0.340    197.1
2052.0     0.337    197.7
2053.0     0.335    198.3
2054.0     0.332    198.9
2055.0     0.329    199.5
2056.0     0.326    200.1
2057.0     0.323    200.8
2058.0     0.320    201.4
2059.0     0.316    202.1
2060.0     0.312    202.7
2061.0     0.308    203.4
2062.0     0.304    204.1
2063.0     0.300    204.9
2064.0     0.295    205.6
2065.0     0.291    206.4
2066.0     0.286    207.2
2067.0     0.281    208.0
2068.0     0.276    208.9
2069.0     0.271    209.8
2070.0     0.265    210.7
2071.0     0.260    211.7
2072.0     0.254    212.7
2073.0     0.248    213.8
2074.0     0.243    214.9
2075.0     0.237    216.0
2076.0     0.231    217.2
2077.0     0.225    218.5
2078.0     0.219    219.9
2079.0     0.212    221.3
2080.0     0.206    222.9
2081.0     0.200    224.5
2082.0     0.193    226.2
2083.0     0.187    228.0
2084.0     0.181    230.0
2085.0     0.175    232.1
2086.0     0.169    234.4
2087.0     0.163    236.8
2088.0     0.157    239.4
2089.0     0.151    242.3






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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