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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:06:25
WDS:
B972
WDS ID/Discoverer
P:
210.800
Orbital period (years)
a:
0.152
Semi-major axis (arcseconds)
i:
144.8
Inclination (degrees)
Ω:
183.0
Longitude of ascending node (degrees)
T:
2010.980
Epoch of periastron passage (year)
e:
0.681
Eccentricity
ω:
275.0
Longitude of periastron (degrees)
Start-Year:
1920.0
Year
End-Year:
2130.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
193027.58-314925.1
Epoch-2000 right ascension and declination
WDS-ID:
19305-3149
WDS designation
Discoverer Code:
B972
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
.
Hipparcos catalog number
V1:
9.8
Magnitude of the primary
V2:
9.8
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2017
Date of last observation
Orbit grade:
4
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 0.093 169.1
-------------------------
1920.0 0.208 79.1
1921.0 0.208 78.5
1922.0 0.208 78.0
1923.0 0.207 77.4
1924.0 0.207 76.9
1925.0 0.207 76.3
1926.0 0.206 75.8
1927.0 0.206 75.2
1928.0 0.205 74.7
1929.0 0.205 74.1
1930.0 0.205 73.6
1931.0 0.204 73.0
1932.0 0.204 72.4
1933.0 0.203 71.9
1934.0 0.203 71.3
1935.0 0.202 70.7
1936.0 0.201 70.1
1937.0 0.201 69.5
1938.0 0.200 68.9
1939.0 0.200 68.4
1940.0 0.199 67.8
1941.0 0.198 67.2
1942.0 0.197 66.6
1943.0 0.197 65.9
1944.0 0.196 65.3
1945.0 0.195 64.7
1946.0 0.194 64.1
1947.0 0.193 63.5
1948.0 0.192 62.8
1949.0 0.191 62.2
1950.0 0.190 61.5
1951.0 0.189 60.9
1952.0 0.188 60.2
1953.0 0.187 59.6
1954.0 0.186 58.9
1955.0 0.185 58.2
1956.0 0.184 57.5
1957.0 0.183 56.8
1958.0 0.182 56.1
1959.0 0.180 55.4
1960.0 0.179 54.6
1961.0 0.178 53.9
1962.0 0.176 53.2
1963.0 0.175 52.4
1964.0 0.174 51.6
1965.0 0.172 50.8
1966.0 0.171 50.0
1967.0 0.169 49.2
1968.0 0.168 48.4
1969.0 0.166 47.5
1970.0 0.164 46.7
1971.0 0.163 45.8
1972.0 0.161 44.9
1973.0 0.159 43.9
1974.0 0.157 43.0
1975.0 0.155 42.0
1976.0 0.153 41.0
1977.0 0.151 40.0
1978.0 0.149 39.0
1979.0 0.147 37.9
1980.0 0.145 36.8
1981.0 0.142 35.6
1982.0 0.140 34.4
1983.0 0.138 33.2
1984.0 0.135 32.0
1985.0 0.133 30.6
1986.0 0.130 29.3
1987.0 0.127 27.8
1988.0 0.124 26.4
1989.0 0.122 24.8
1990.0 0.119 23.2
1991.0 0.115 21.4
1992.0 0.112 19.6
1993.0 0.109 17.7
1994.0 0.106 15.6
1995.0 0.102 13.4
1996.0 0.098 11.1
1997.0 0.094 8.5
1998.0 0.090 5.8
1999.0 0.086 2.8
2000.0 0.082 359.4
2001.0 0.078 355.7
2002.0 0.073 351.5
2003.0 0.068 346.8
2004.0 0.063 341.4
2005.0 0.059 335.0
2006.0 0.054 327.5
2007.0 0.049 318.6
2008.0 0.045 308.0
2009.0 0.042 295.6
2010.0 0.040 281.5
2011.0 0.040 266.6
2012.0 0.041 252.0
2013.0 0.043 238.6
2014.0 0.047 227.0
2015.0 0.051 217.2
2016.0 0.056 208.9
2017.0 0.060 201.9
2018.0 0.065 195.9
2019.0 0.069 190.6
2020.0 0.074 186.0
2021.0 0.078 181.9
2022.0 0.082 178.3
2023.0 0.086 174.9
2024.0 0.090 171.9
2025.0 0.093 169.1
2026.0 0.097 166.5
2027.0 0.100 164.0
2028.0 0.104 161.8
2029.0 0.107 159.6
2030.0 0.110 157.6
2031.0 0.113 155.7
2032.0 0.116 153.9
2033.0 0.118 152.2
2034.0 0.121 150.5
2035.0 0.124 148.9
2036.0 0.126 147.4
2037.0 0.129 146.0
2038.0 0.131 144.6
2039.0 0.133 143.2
2040.0 0.136 141.9
2041.0 0.138 140.6
2042.0 0.140 139.4
2043.0 0.142 138.2
2044.0 0.144 137.1
2045.0 0.146 136.0
2046.0 0.148 134.9
2047.0 0.150 133.8
2048.0 0.152 132.8
2049.0 0.154 131.7
2050.0 0.155 130.8
2051.0 0.157 129.8
2052.0 0.159 128.8
2053.0 0.160 127.9
2054.0 0.162 127.0
2055.0 0.163 126.1
2056.0 0.165 125.2
2057.0 0.167 124.4
2058.0 0.168 123.5
2059.0 0.169 122.7
2060.0 0.171 121.9
2061.0 0.172 121.1
2062.0 0.174 120.3
2063.0 0.175 119.5
2064.0 0.176 118.7
2065.0 0.177 118.0
2066.0 0.179 117.2
2067.0 0.180 116.5
2068.0 0.181 115.8
2069.0 0.182 115.1
2070.0 0.183 114.4
2071.0 0.184 113.7
2072.0 0.185 113.0
2073.0 0.186 112.3
2074.0 0.187 111.6
2075.0 0.188 110.9
2076.0 0.189 110.3
2077.0 0.190 109.6
2078.0 0.191 109.0
2079.0 0.192 108.3
2080.0 0.193 107.7
2081.0 0.194 107.1
2082.0 0.195 106.4
2083.0 0.195 105.8
2084.0 0.196 105.2
2085.0 0.197 104.6
2086.0 0.198 104.0
2087.0 0.198 103.4
2088.0 0.199 102.8
2089.0 0.200 102.2
2090.0 0.200 101.6
2091.0 0.201 101.0
2092.0 0.201 100.4
2093.0 0.202 99.8
2094.0 0.202 99.3
2095.0 0.203 98.7
2096.0 0.203 98.1
2097.0 0.204 97.5
2098.0 0.204 97.0
2099.0 0.205 96.4
2100.0 0.205 95.9
2101.0 0.206 95.3
2102.0 0.206 94.7
2103.0 0.206 94.2
2104.0 0.207 93.6
2105.0 0.207 93.1
2106.0 0.207 92.5
2107.0 0.208 92.0
2108.0 0.208 91.4
2109.0 0.208 90.9
2110.0 0.208 90.3
2111.0 0.209 89.8
2112.0 0.209 89.3
2113.0 0.209 88.7
2114.0 0.209 88.2
2115.0 0.209 87.6
2116.0 0.209 87.1
2117.0 0.209 86.6
2118.0 0.209 86.0
2119.0 0.209 85.5
2120.0 0.209 84.9
2121.0 0.209 84.4
2122.0 0.209 83.9
2123.0 0.209 83.3
2124.0 0.209 82.8
2125.0 0.209 82.2
2126.0 0.209 81.7
2127.0 0.209 81.2
2128.0 0.209 80.6
2129.0 0.208 80.1
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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