Content-Type: text/html; charset=UTF-8
Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:33:28
WDS:
COU1067
WDS ID/Discoverer
P:
133.900
Orbital period (years)
a:
0.239
Semi-major axis (arcseconds)
i:
77.2
Inclination (degrees)
Ω:
20.2
Longitude of ascending node (degrees)
T:
1980.500
Epoch of periastron passage (year)
e:
0.554
Eccentricity
ω:
271.2
Longitude of periastron (degrees)
Start-Year:
1959.0
Year
End-Year:
2091.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
020902.07+354029.5
Epoch-2000 right ascension and declination
WDS-ID:
02090+3540
WDS designation
Discoverer Code:
COU1067
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
13102
HD catalog number
Hipparcos number:
10022
Hipparcos catalog number
V1:
8.94
Magnitude of the primary
V2:
9.44
Magnitude of the secondary
Equinox:
Equinox
Date:
Date of last observation
Orbit grade:
4
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.140 50.4
-------------------------
1959.0 0.204 192.3
1960.0 0.203 193.0
1961.0 0.201 193.7
1962.0 0.200 194.4
1963.0 0.197 195.1
1964.0 0.194 195.8
1965.0 0.191 196.6
1966.0 0.186 197.4
1967.0 0.181 198.2
1968.0 0.175 199.1
1969.0 0.168 200.1
1970.0 0.161 201.1
1971.0 0.152 202.3
1972.0 0.141 203.6
1973.0 0.130 205.2
1974.0 0.117 207.0
1975.0 0.103 209.4
1976.0 0.088 212.5
1977.0 0.071 217.0
1978.0 0.054 224.5
1979.0 0.037 238.8
1980.0 0.025 271.0
1981.0 0.027 318.6
1982.0 0.040 345.8
1983.0 0.057 358.1
1984.0 0.074 4.7
1985.0 0.091 8.9
1986.0 0.106 11.8
1987.0 0.120 14.0
1988.0 0.132 15.8
1989.0 0.143 17.3
1990.0 0.152 18.6
1991.0 0.161 19.8
1992.0 0.168 20.8
1993.0 0.175 21.8
1994.0 0.180 22.7
1995.0 0.184 23.6
1996.0 0.188 24.4
1997.0 0.191 25.2
1998.0 0.194 25.9
1999.0 0.196 26.7
2000.0 0.197 27.4
2001.0 0.198 28.1
2002.0 0.198 28.8
2003.0 0.198 29.6
2004.0 0.198 30.3
2005.0 0.197 31.0
2006.0 0.196 31.7
2007.0 0.195 32.5
2008.0 0.193 33.2
2009.0 0.192 34.0
2010.0 0.189 34.8
2011.0 0.187 35.6
2012.0 0.185 36.4
2013.0 0.182 37.2
2014.0 0.179 38.1
2015.0 0.176 39.0
2016.0 0.173 39.9
2017.0 0.170 40.9
2018.0 0.166 41.9
2019.0 0.163 43.0
2020.0 0.159 44.0
2021.0 0.155 45.2
2022.0 0.152 46.4
2023.0 0.148 47.7
2024.0 0.144 49.0
2025.0 0.140 50.4
2026.0 0.136 51.9
2027.0 0.132 53.4
2028.0 0.129 55.1
2029.0 0.125 56.9
2030.0 0.121 58.8
2031.0 0.117 60.8
2032.0 0.113 62.9
2033.0 0.110 65.2
2034.0 0.106 67.6
2035.0 0.103 70.2
2036.0 0.100 72.9
2037.0 0.097 75.9
2038.0 0.094 79.0
2039.0 0.091 82.3
2040.0 0.089 85.8
2041.0 0.087 89.4
2042.0 0.085 93.2
2043.0 0.084 97.2
2044.0 0.083 101.2
2045.0 0.082 105.4
2046.0 0.082 109.5
2047.0 0.082 113.7
2048.0 0.083 117.9
2049.0 0.084 121.9
2050.0 0.085 125.9
2051.0 0.087 129.7
2052.0 0.089 133.4
2053.0 0.091 136.9
2054.0 0.094 140.2
2055.0 0.096 143.4
2056.0 0.099 146.3
2057.0 0.103 149.1
2058.0 0.106 151.7
2059.0 0.109 154.2
2060.0 0.113 156.5
2061.0 0.117 158.6
2062.0 0.120 160.6
2063.0 0.124 162.5
2064.0 0.128 164.3
2065.0 0.132 166.0
2066.0 0.136 167.5
2067.0 0.140 169.0
2068.0 0.144 170.4
2069.0 0.148 171.8
2070.0 0.152 173.0
2071.0 0.155 174.2
2072.0 0.159 175.4
2073.0 0.163 176.5
2074.0 0.166 177.5
2075.0 0.170 178.5
2076.0 0.173 179.5
2077.0 0.177 180.4
2078.0 0.180 181.3
2079.0 0.183 182.2
2080.0 0.186 183.0
2081.0 0.189 183.8
2082.0 0.191 184.6
2083.0 0.194 185.4
2084.0 0.196 186.1
2085.0 0.198 186.8
2086.0 0.200 187.5
2087.0 0.201 188.3
2088.0 0.202 189.0
2089.0 0.203 189.6
2090.0 0.204 190.3
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 .
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 .
www.stella-vega.de