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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:26:22
WDS:
BU1292
WDS ID/Discoverer
P:
285.300
Orbital period (years)
a:
0.309
Semi-major axis (arcseconds)
i:
139.2
Inclination (degrees)
Ω:
52.9
Longitude of ascending node (degrees)
T:
2020.700
Epoch of periastron passage (year)
e:
0.214
Eccentricity
ω:
194.8
Longitude of periastron (degrees)
Start-Year:
1883.0
Year
End-Year:
2167.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
010746.41+042452.0
Epoch-2000 right ascension and declination
WDS-ID:
01078+0425
WDS designation
Discoverer Code:
BU1292
Discover designation and components
ADS number:
929
Aitken Double Star catalog
HD number:
6698
HD catalog number
Hipparcos number:
5297
Hipparcos catalog number
V1:
9.87
Magnitude of the primary
V2:
10.61
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2012
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 0.235 214.8
-------------------------
1883.0 0.366 38.3
1884.0 0.365 37.7
1885.0 0.365 37.0
1886.0 0.364 36.3
1887.0 0.363 35.7
1888.0 0.362 35.0
1889.0 0.360 34.3
1890.0 0.359 33.6
1891.0 0.358 32.9
1892.0 0.357 32.2
1893.0 0.355 31.5
1894.0 0.354 30.8
1895.0 0.353 30.1
1896.0 0.351 29.4
1897.0 0.350 28.6
1898.0 0.348 27.9
1899.0 0.347 27.2
1900.0 0.345 26.4
1901.0 0.344 25.7
1902.0 0.342 24.9
1903.0 0.340 24.2
1904.0 0.339 23.4
1905.0 0.337 22.6
1906.0 0.335 21.8
1907.0 0.333 21.0
1908.0 0.331 20.2
1909.0 0.329 19.4
1910.0 0.327 18.6
1911.0 0.325 17.7
1912.0 0.323 16.9
1913.0 0.321 16.0
1914.0 0.319 15.2
1915.0 0.317 14.3
1916.0 0.315 13.4
1917.0 0.313 12.5
1918.0 0.311 11.6
1919.0 0.309 10.6
1920.0 0.307 9.7
1921.0 0.305 8.7
1922.0 0.302 7.8
1923.0 0.300 6.8
1924.0 0.298 5.8
1925.0 0.296 4.8
1926.0 0.294 3.8
1927.0 0.291 2.7
1928.0 0.289 1.7
1929.0 0.287 0.6
1930.0 0.285 359.5
1931.0 0.283 358.4
1932.0 0.280 357.3
1933.0 0.278 356.1
1934.0 0.276 355.0
1935.0 0.274 353.8
1936.0 0.272 352.6
1937.0 0.270 351.4
1938.0 0.268 350.2
1939.0 0.266 348.9
1940.0 0.264 347.6
1941.0 0.262 346.3
1942.0 0.260 345.0
1943.0 0.258 343.7
1944.0 0.256 342.3
1945.0 0.254 341.0
1946.0 0.252 339.6
1947.0 0.250 338.2
1948.0 0.249 336.7
1949.0 0.247 335.3
1950.0 0.246 333.8
1951.0 0.244 332.3
1952.0 0.243 330.8
1953.0 0.241 329.3
1954.0 0.240 327.8
1955.0 0.239 326.2
1956.0 0.237 324.6
1957.0 0.236 323.0
1958.0 0.235 321.4
1959.0 0.234 319.8
1960.0 0.233 318.2
1961.0 0.232 316.5
1962.0 0.232 314.9
1963.0 0.231 313.2
1964.0 0.230 311.6
1965.0 0.230 309.9
1966.0 0.229 308.2
1967.0 0.229 306.5
1968.0 0.229 304.8
1969.0 0.228 303.1
1970.0 0.228 301.4
1971.0 0.228 299.7
1972.0 0.228 298.0
1973.0 0.228 296.2
1974.0 0.228 294.5
1975.0 0.229 292.8
1976.0 0.229 291.1
1977.0 0.229 289.4
1978.0 0.230 287.7
1979.0 0.230 286.1
1980.0 0.231 284.4
1981.0 0.231 282.7
1982.0 0.232 281.0
1983.0 0.232 279.4
1984.0 0.233 277.7
1985.0 0.233 276.1
1986.0 0.234 274.5
1987.0 0.235 272.8
1988.0 0.236 271.2
1989.0 0.236 269.6
1990.0 0.237 268.0
1991.0 0.238 266.5
1992.0 0.238 264.9
1993.0 0.239 263.3
1994.0 0.240 261.8
1995.0 0.240 260.2
1996.0 0.241 258.7
1997.0 0.242 257.2
1998.0 0.242 255.6
1999.0 0.243 254.1
2000.0 0.243 252.6
2001.0 0.244 251.1
2002.0 0.244 249.6
2003.0 0.244 248.1
2004.0 0.245 246.6
2005.0 0.245 245.1
2006.0 0.245 243.7
2007.0 0.245 242.2
2008.0 0.245 240.7
2009.0 0.245 239.2
2010.0 0.245 237.7
2011.0 0.245 236.3
2012.0 0.245 234.8
2013.0 0.244 233.3
2014.0 0.244 231.8
2015.0 0.244 230.3
2016.0 0.243 228.8
2017.0 0.242 227.3
2018.0 0.242 225.7
2019.0 0.241 224.2
2020.0 0.240 222.7
2021.0 0.239 221.1
2022.0 0.238 219.6
2023.0 0.237 218.0
2024.0 0.236 216.4
2025.0 0.235 214.8
2026.0 0.234 213.2
2027.0 0.233 211.5
2028.0 0.231 209.9
2029.0 0.230 208.2
2030.0 0.229 206.5
2031.0 0.228 204.8
2032.0 0.226 203.1
2033.0 0.225 201.3
2034.0 0.223 199.5
2035.0 0.222 197.7
2036.0 0.221 195.9
2037.0 0.219 194.1
2038.0 0.218 192.2
2039.0 0.217 190.4
2040.0 0.216 188.4
2041.0 0.215 186.5
2042.0 0.213 184.6
2043.0 0.212 182.6
2044.0 0.211 180.6
2045.0 0.211 178.6
2046.0 0.210 176.6
2047.0 0.209 174.6
2048.0 0.208 172.5
2049.0 0.208 170.5
2050.0 0.207 168.4
2051.0 0.207 166.3
2052.0 0.207 164.2
2053.0 0.207 162.2
2054.0 0.207 160.1
2055.0 0.207 158.0
2056.0 0.207 155.9
2057.0 0.207 153.8
2058.0 0.208 151.8
2059.0 0.209 149.7
2060.0 0.209 147.7
2061.0 0.210 145.7
2062.0 0.211 143.7
2063.0 0.212 141.7
2064.0 0.214 139.7
2065.0 0.215 137.8
2066.0 0.216 135.8
2067.0 0.218 134.0
2068.0 0.220 132.1
2069.0 0.221 130.3
2070.0 0.223 128.4
2071.0 0.225 126.7
2072.0 0.227 124.9
2073.0 0.229 123.2
2074.0 0.231 121.5
2075.0 0.233 119.9
2076.0 0.236 118.3
2077.0 0.238 116.7
2078.0 0.241 115.1
2079.0 0.243 113.6
2080.0 0.245 112.1
2081.0 0.248 110.6
2082.0 0.251 109.2
2083.0 0.253 107.8
2084.0 0.256 106.4
2085.0 0.259 105.1
2086.0 0.261 103.8
2087.0 0.264 102.5
2088.0 0.267 101.2
2089.0 0.269 100.0
2090.0 0.272 98.7
2091.0 0.275 97.6
2092.0 0.277 96.4
2093.0 0.280 95.2
2094.0 0.283 94.1
2095.0 0.286 93.0
2096.0 0.288 91.9
2097.0 0.291 90.9
2098.0 0.294 89.8
2099.0 0.296 88.8
2100.0 0.299 87.8
2101.0 0.301 86.8
2102.0 0.304 85.8
2103.0 0.306 84.9
2104.0 0.309 83.9
2105.0 0.311 83.0
2106.0 0.314 82.1
2107.0 0.316 81.2
2108.0 0.319 80.3
2109.0 0.321 79.4
2110.0 0.323 78.6
2111.0 0.325 77.7
2112.0 0.328 76.9
2113.0 0.330 76.1
2114.0 0.332 75.3
2115.0 0.334 74.5
2116.0 0.336 73.7
2117.0 0.338 72.9
2118.0 0.340 72.1
2119.0 0.342 71.3
2120.0 0.343 70.6
2121.0 0.345 69.8
2122.0 0.347 69.1
2123.0 0.349 68.3
2124.0 0.350 67.6
2125.0 0.352 66.9
2126.0 0.353 66.2
2127.0 0.355 65.5
2128.0 0.356 64.8
2129.0 0.357 64.1
2130.0 0.359 63.4
2131.0 0.360 62.7
2132.0 0.361 62.0
2133.0 0.362 61.3
2134.0 0.363 60.6
2135.0 0.364 60.0
2136.0 0.365 59.3
2137.0 0.366 58.6
2138.0 0.367 58.0
2139.0 0.368 57.3
2140.0 0.369 56.6
2141.0 0.369 56.0
2142.0 0.370 55.3
2143.0 0.371 54.7
2144.0 0.371 54.0
2145.0 0.371 53.4
2146.0 0.372 52.7
2147.0 0.372 52.1
2148.0 0.372 51.5
2149.0 0.373 50.8
2150.0 0.373 50.2
2151.0 0.373 49.5
2152.0 0.373 48.9
2153.0 0.373 48.3
2154.0 0.373 47.6
2155.0 0.373 47.0
2156.0 0.373 46.3
2157.0 0.373 45.7
2158.0 0.372 45.0
2159.0 0.372 44.4
2160.0 0.372 43.8
2161.0 0.371 43.1
2162.0 0.371 42.5
2163.0 0.370 41.8
2164.0 0.369 41.2
2165.0 0.369 40.5
2166.0 0.368 39.9
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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