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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:30:01
WDS:
FIN358
WDS ID/Discoverer
P:
142.300
Orbital period (years)
a:
0.177
Semi-major axis (arcseconds)
i:
72.4
Inclination (degrees)
Ω:
292.0
Longitude of ascending node (degrees)
T:
1988.800
Epoch of periastron passage (year)
e:
0.239
Eccentricity
ω:
144.4
Longitude of periastron (degrees)
Start-Year:
1954.0
Year
End-Year:
2096.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
215336.03-101841.8
Epoch-2000 right ascension and declination
WDS-ID:
21536-1019
WDS designation
Discoverer Code:
FIN358
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
208008
HD catalog number
Hipparcos number:
108058
Hipparcos catalog number
V1:
8.66
Magnitude of the primary
V2:
6.71
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2022
Date of last observation
Orbit grade:
3
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
n
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.062 177.6
-------------------------
1954.0 0.163 301.8
1955.0 0.159 302.7
1956.0 0.153 303.6
1957.0 0.148 304.7
1958.0 0.143 305.8
1959.0 0.137 307.0
1960.0 0.131 308.3
1961.0 0.125 309.7
1962.0 0.118 311.3
1963.0 0.112 313.0
1964.0 0.105 315.0
1965.0 0.098 317.3
1966.0 0.092 319.8
1967.0 0.085 322.8
1968.0 0.078 326.4
1969.0 0.071 330.6
1970.0 0.065 335.6
1971.0 0.059 341.7
1972.0 0.054 349.0
1973.0 0.049 357.8
1974.0 0.046 8.1
1975.0 0.044 19.5
1976.0 0.044 31.4
1977.0 0.046 42.8
1978.0 0.049 53.0
1979.0 0.054 61.8
1980.0 0.059 69.1
1981.0 0.065 75.2
1982.0 0.071 80.2
1983.0 0.077 84.4
1984.0 0.084 88.0
1985.0 0.090 91.1
1986.0 0.096 93.8
1987.0 0.102 96.1
1988.0 0.108 98.2
1989.0 0.113 100.2
1990.0 0.118 101.9
1991.0 0.122 103.5
1992.0 0.126 105.0
1993.0 0.130 106.4
1994.0 0.133 107.8
1995.0 0.136 109.1
1996.0 0.138 110.3
1997.0 0.139 111.5
1998.0 0.140 112.7
1999.0 0.141 113.9
2000.0 0.141 115.1
2001.0 0.141 116.2
2002.0 0.140 117.4
2003.0 0.139 118.6
2004.0 0.137 119.8
2005.0 0.135 121.1
2006.0 0.133 122.4
2007.0 0.130 123.7
2008.0 0.127 125.2
2009.0 0.124 126.6
2010.0 0.120 128.2
2011.0 0.116 129.9
2012.0 0.112 131.7
2013.0 0.108 133.6
2014.0 0.104 135.6
2015.0 0.100 137.9
2016.0 0.095 140.3
2017.0 0.091 143.0
2018.0 0.086 146.0
2019.0 0.082 149.3
2020.0 0.078 152.9
2021.0 0.074 156.9
2022.0 0.070 161.4
2023.0 0.067 166.3
2024.0 0.064 171.7
2025.0 0.062 177.6
2026.0 0.060 183.9
2027.0 0.059 190.5
2028.0 0.058 197.3
2029.0 0.059 204.1
2030.0 0.060 210.7
2031.0 0.062 217.0
2032.0 0.064 222.9
2033.0 0.067 228.4
2034.0 0.070 233.3
2035.0 0.074 237.8
2036.0 0.078 241.9
2037.0 0.082 245.5
2038.0 0.087 248.8
2039.0 0.091 251.7
2040.0 0.096 254.3
2041.0 0.101 256.7
2042.0 0.106 258.9
2043.0 0.111 260.9
2044.0 0.116 262.7
2045.0 0.120 264.4
2046.0 0.125 265.9
2047.0 0.130 267.4
2048.0 0.135 268.7
2049.0 0.139 269.9
2050.0 0.144 271.1
2051.0 0.148 272.2
2052.0 0.153 273.2
2053.0 0.157 274.2
2054.0 0.161 275.1
2055.0 0.165 276.0
2056.0 0.169 276.8
2057.0 0.172 277.6
2058.0 0.176 278.4
2059.0 0.179 279.1
2060.0 0.183 279.8
2061.0 0.186 280.5
2062.0 0.189 281.2
2063.0 0.191 281.8
2064.0 0.194 282.4
2065.0 0.196 283.1
2066.0 0.199 283.7
2067.0 0.201 284.2
2068.0 0.202 284.8
2069.0 0.204 285.4
2070.0 0.205 285.9
2071.0 0.207 286.5
2072.0 0.208 287.0
2073.0 0.209 287.6
2074.0 0.209 288.1
2075.0 0.210 288.6
2076.0 0.210 289.1
2077.0 0.210 289.7
2078.0 0.210 290.2
2079.0 0.209 290.7
2080.0 0.208 291.3
2081.0 0.208 291.8
2082.0 0.206 292.3
2083.0 0.205 292.9
2084.0 0.203 293.5
2085.0 0.202 294.0
2086.0 0.199 294.6
2087.0 0.197 295.2
2088.0 0.194 295.8
2089.0 0.192 296.4
2090.0 0.189 297.1
2091.0 0.185 297.7
2092.0 0.182 298.4
2093.0 0.178 299.1
2094.0 0.174 299.9
2095.0 0.169 300.7
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 .
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