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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:29:38
WDS:
A512
WDS ID/Discoverer
P:
187.000
Orbital period (years)
a:
0.21
Semi-major axis (arcseconds)
i:
42.6
Inclination (degrees)
Ω:
150.6
Longitude of ascending node (degrees)
T:
1978.100
Epoch of periastron passage (year)
e:
0.27
Eccentricity
ω:
146.3
Longitude of periastron (degrees)
Start-Year:
1932.0
Year
End-Year:
2118.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
065143.54+250253.5
Epoch-2000 right ascension and declination
WDS-ID:
06517+2503
WDS designation
Discoverer Code:
A512
Discover designation and components
ADS number:
5515
Aitken Double Star catalog
HD number:
265025
HD catalog number
Hipparcos number:
32942
Hipparcos catalog number
V1:
9.57
Magnitude of the primary
V2:
10.08
Magnitude of the secondary
Equinox:
Equinox
Date:
1982
Date of last observation
Orbit grade:
5
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 0.166 55.3
-------------------------
1932.0 0.212 171.8
1933.0 0.209 173.2
1934.0 0.206 174.6
1935.0 0.203 176.0
1936.0 0.200 177.5
1937.0 0.197 179.0
1938.0 0.193 180.6
1939.0 0.190 182.2
1940.0 0.186 183.9
1941.0 0.183 185.7
1942.0 0.179 187.5
1943.0 0.176 189.4
1944.0 0.172 191.4
1945.0 0.169 193.5
1946.0 0.165 195.7
1947.0 0.162 197.9
1948.0 0.158 200.3
1949.0 0.155 202.7
1950.0 0.151 205.3
1951.0 0.148 208.0
1952.0 0.145 210.8
1953.0 0.142 213.7
1954.0 0.139 216.8
1955.0 0.136 220.0
1956.0 0.134 223.3
1957.0 0.131 226.7
1958.0 0.129 230.3
1959.0 0.127 233.9
1960.0 0.126 237.7
1961.0 0.124 241.5
1962.0 0.123 245.5
1963.0 0.123 249.4
1964.0 0.122 253.4
1965.0 0.122 257.5
1966.0 0.123 261.5
1967.0 0.123 265.5
1968.0 0.124 269.4
1969.0 0.125 273.3
1970.0 0.126 277.1
1971.0 0.128 280.8
1972.0 0.130 284.5
1973.0 0.131 288.0
1974.0 0.133 291.4
1975.0 0.135 294.8
1976.0 0.138 298.0
1977.0 0.140 301.1
1978.0 0.142 304.2
1979.0 0.144 307.1
1980.0 0.146 310.0
1981.0 0.148 312.7
1982.0 0.150 315.5
1983.0 0.152 318.1
1984.0 0.153 320.7
1985.0 0.155 323.2
1986.0 0.156 325.7
1987.0 0.158 328.1
1988.0 0.159 330.5
1989.0 0.160 332.9
1990.0 0.161 335.2
1991.0 0.162 337.5
1992.0 0.162 339.8
1993.0 0.163 342.1
1994.0 0.163 344.4
1995.0 0.163 346.6
1996.0 0.164 348.9
1997.0 0.164 351.1
1998.0 0.164 353.4
1999.0 0.164 355.6
2000.0 0.163 357.9
2001.0 0.163 0.1
2002.0 0.163 2.4
2003.0 0.163 4.7
2004.0 0.162 7.0
2005.0 0.162 9.2
2006.0 0.162 11.5
2007.0 0.161 13.8
2008.0 0.161 16.2
2009.0 0.161 18.5
2010.0 0.161 20.8
2011.0 0.160 23.1
2012.0 0.160 25.5
2013.0 0.160 27.8
2014.0 0.160 30.2
2015.0 0.160 32.5
2016.0 0.161 34.8
2017.0 0.161 37.2
2018.0 0.161 39.5
2019.0 0.161 41.8
2020.0 0.162 44.1
2021.0 0.163 46.4
2022.0 0.163 48.7
2023.0 0.164 50.9
2024.0 0.165 53.1
2025.0 0.166 55.3
2026.0 0.167 57.5
2027.0 0.168 59.7
2028.0 0.169 61.8
2029.0 0.171 63.9
2030.0 0.172 65.9
2031.0 0.173 67.9
2032.0 0.175 69.9
2033.0 0.176 71.9
2034.0 0.178 73.8
2035.0 0.180 75.6
2036.0 0.182 77.5
2037.0 0.183 79.3
2038.0 0.185 81.1
2039.0 0.187 82.8
2040.0 0.189 84.5
2041.0 0.191 86.2
2042.0 0.193 87.8
2043.0 0.195 89.4
2044.0 0.197 91.0
2045.0 0.199 92.5
2046.0 0.201 94.0
2047.0 0.203 95.5
2048.0 0.205 96.9
2049.0 0.208 98.3
2050.0 0.210 99.7
2051.0 0.212 101.1
2052.0 0.214 102.4
2053.0 0.216 103.7
2054.0 0.218 105.0
2055.0 0.220 106.2
2056.0 0.222 107.5
2057.0 0.224 108.7
2058.0 0.226 109.9
2059.0 0.227 111.0
2060.0 0.229 112.2
2061.0 0.231 113.3
2062.0 0.233 114.4
2063.0 0.235 115.6
2064.0 0.236 116.6
2065.0 0.238 117.7
2066.0 0.239 118.8
2067.0 0.241 119.8
2068.0 0.242 120.8
2069.0 0.244 121.9
2070.0 0.245 122.9
2071.0 0.246 123.9
2072.0 0.248 124.8
2073.0 0.249 125.8
2074.0 0.250 126.8
2075.0 0.251 127.7
2076.0 0.252 128.7
2077.0 0.253 129.6
2078.0 0.254 130.6
2079.0 0.254 131.5
2080.0 0.255 132.4
2081.0 0.256 133.4
2082.0 0.256 134.3
2083.0 0.257 135.2
2084.0 0.257 136.1
2085.0 0.257 137.0
2086.0 0.257 137.9
2087.0 0.258 138.8
2088.0 0.258 139.7
2089.0 0.257 140.7
2090.0 0.257 141.6
2091.0 0.257 142.5
2092.0 0.257 143.4
2093.0 0.256 144.3
2094.0 0.256 145.2
2095.0 0.255 146.1
2096.0 0.255 147.1
2097.0 0.254 148.0
2098.0 0.253 148.9
2099.0 0.252 149.9
2100.0 0.251 150.8
2101.0 0.250 151.8
2102.0 0.248 152.8
2103.0 0.247 153.7
2104.0 0.246 154.7
2105.0 0.244 155.7
2106.0 0.242 156.8
2107.0 0.241 157.8
2108.0 0.239 158.8
2109.0 0.237 159.9
2110.0 0.235 161.0
2111.0 0.233 162.1
2112.0 0.230 163.2
2113.0 0.228 164.4
2114.0 0.226 165.5
2115.0 0.223 166.7
2116.0 0.220 167.9
2117.0 0.218 169.2
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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