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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:33:09
WDS:
A957
WDS ID/Discoverer
P:
219.970
Orbital period (years)
a:
0.471
Semi-major axis (arcseconds)
i:
125.3
Inclination (degrees)
Ω:
107.7
Longitude of ascending node (degrees)
T:
1870.070
Epoch of periastron passage (year)
e:
0.462
Eccentricity
ω:
250.1
Longitude of periastron (degrees)
Start-Year:
1916.0
Year
End-Year:
2134.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
020448.71+603022.7
Epoch-2000 right ascension and declination
WDS-ID:
02048+6030
WDS designation
Discoverer Code:
A957
Discover designation and components
ADS number:
1632
Aitken Double Star catalog
HD number:
12529
HD catalog number
Hipparcos number:
9704
Hipparcos catalog number
V1:
8.52
Magnitude of the primary
V2:
10.48
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 0.367 355.2
-------------------------
1916.0 0.498 97.6
1917.0 0.501 96.9
1918.0 0.504 96.2
1919.0 0.507 95.4
1920.0 0.510 94.7
1921.0 0.512 94.0
1922.0 0.514 93.3
1923.0 0.516 92.6
1924.0 0.518 91.9
1925.0 0.519 91.2
1926.0 0.521 90.5
1927.0 0.522 89.8
1928.0 0.523 89.1
1929.0 0.524 88.5
1930.0 0.525 87.8
1931.0 0.526 87.1
1932.0 0.526 86.4
1933.0 0.526 85.8
1934.0 0.526 85.1
1935.0 0.526 84.4
1936.0 0.526 83.8
1937.0 0.526 83.1
1938.0 0.526 82.4
1939.0 0.525 81.7
1940.0 0.525 81.1
1941.0 0.524 80.4
1942.0 0.523 79.7
1943.0 0.522 79.0
1944.0 0.521 78.3
1945.0 0.520 77.7
1946.0 0.519 77.0
1947.0 0.518 76.3
1948.0 0.516 75.6
1949.0 0.515 74.9
1950.0 0.513 74.2
1951.0 0.511 73.5
1952.0 0.510 72.7
1953.0 0.508 72.0
1954.0 0.506 71.3
1955.0 0.504 70.6
1956.0 0.502 69.8
1957.0 0.500 69.1
1958.0 0.498 68.4
1959.0 0.496 67.6
1960.0 0.493 66.8
1961.0 0.491 66.1
1962.0 0.489 65.3
1963.0 0.486 64.5
1964.0 0.484 63.7
1965.0 0.482 62.9
1966.0 0.479 62.1
1967.0 0.476 61.3
1968.0 0.474 60.5
1969.0 0.471 59.6
1970.0 0.469 58.8
1971.0 0.466 58.0
1972.0 0.463 57.1
1973.0 0.461 56.2
1974.0 0.458 55.3
1975.0 0.455 54.4
1976.0 0.453 53.5
1977.0 0.450 52.6
1978.0 0.447 51.7
1979.0 0.444 50.8
1980.0 0.442 49.8
1981.0 0.439 48.9
1982.0 0.436 47.9
1983.0 0.434 46.9
1984.0 0.431 45.9
1985.0 0.428 44.9
1986.0 0.426 43.9
1987.0 0.423 42.8
1988.0 0.420 41.8
1989.0 0.418 40.7
1990.0 0.415 39.7
1991.0 0.413 38.6
1992.0 0.410 37.5
1993.0 0.408 36.4
1994.0 0.406 35.2
1995.0 0.403 34.1
1996.0 0.401 33.0
1997.0 0.399 31.8
1998.0 0.397 30.6
1999.0 0.395 29.4
2000.0 0.393 28.2
2001.0 0.391 27.0
2002.0 0.389 25.8
2003.0 0.387 24.6
2004.0 0.385 23.3
2005.0 0.384 22.1
2006.0 0.382 20.8
2007.0 0.381 19.5
2008.0 0.379 18.2
2009.0 0.378 16.9
2010.0 0.376 15.6
2011.0 0.375 14.3
2012.0 0.374 13.0
2013.0 0.373 11.6
2014.0 0.372 10.3
2015.0 0.371 8.9
2016.0 0.370 7.6
2017.0 0.370 6.2
2018.0 0.369 4.9
2019.0 0.369 3.5
2020.0 0.368 2.1
2021.0 0.368 0.8
2022.0 0.367 359.4
2023.0 0.367 358.0
2024.0 0.367 356.6
2025.0 0.367 355.2
2026.0 0.367 353.9
2027.0 0.367 352.5
2028.0 0.367 351.1
2029.0 0.367 349.7
2030.0 0.368 348.3
2031.0 0.368 347.0
2032.0 0.368 345.6
2033.0 0.369 344.2
2034.0 0.369 342.8
2035.0 0.370 341.5
2036.0 0.370 340.1
2037.0 0.371 338.8
2038.0 0.371 337.4
2039.0 0.372 336.1
2040.0 0.372 334.7
2041.0 0.373 333.4
2042.0 0.373 332.0
2043.0 0.374 330.7
2044.0 0.374 329.4
2045.0 0.375 328.1
2046.0 0.375 326.7
2047.0 0.376 325.4
2048.0 0.376 324.1
2049.0 0.376 322.8
2050.0 0.376 321.5
2051.0 0.376 320.2
2052.0 0.376 318.8
2053.0 0.376 317.5
2054.0 0.376 316.2
2055.0 0.376 314.9
2056.0 0.375 313.6
2057.0 0.374 312.2
2058.0 0.373 310.9
2059.0 0.372 309.6
2060.0 0.371 308.2
2061.0 0.369 306.9
2062.0 0.367 305.5
2063.0 0.365 304.1
2064.0 0.362 302.7
2065.0 0.360 301.3
2066.0 0.357 299.8
2067.0 0.353 298.3
2068.0 0.349 296.8
2069.0 0.345 295.3
2070.0 0.340 293.7
2071.0 0.335 292.1
2072.0 0.330 290.4
2073.0 0.324 288.6
2074.0 0.317 286.8
2075.0 0.310 284.9
2076.0 0.302 282.9
2077.0 0.294 280.9
2078.0 0.285 278.6
2079.0 0.276 276.3
2080.0 0.266 273.7
2081.0 0.256 271.0
2082.0 0.246 268.1
2083.0 0.235 264.9
2084.0 0.224 261.3
2085.0 0.213 257.4
2086.0 0.201 253.1
2087.0 0.191 248.2
2088.0 0.180 242.8
2089.0 0.171 236.7
2090.0 0.163 230.0
2091.0 0.156 222.7
2092.0 0.152 214.8
2093.0 0.149 206.6
2094.0 0.149 198.2
2095.0 0.152 189.9
2096.0 0.156 182.1
2097.0 0.163 174.8
2098.0 0.172 168.1
2099.0 0.181 162.1
2100.0 0.192 156.8
2101.0 0.204 152.0
2102.0 0.216 147.8
2103.0 0.228 144.0
2104.0 0.241 140.6
2105.0 0.254 137.6
2106.0 0.266 134.8
2107.0 0.278 132.3
2108.0 0.291 130.0
2109.0 0.302 127.9
2110.0 0.314 125.9
2111.0 0.325 124.1
2112.0 0.336 122.4
2113.0 0.347 120.8
2114.0 0.357 119.3
2115.0 0.367 117.9
2116.0 0.377 116.6
2117.0 0.386 115.3
2118.0 0.394 114.1
2119.0 0.403 112.9
2120.0 0.411 111.8
2121.0 0.419 110.7
2122.0 0.426 109.6
2123.0 0.433 108.6
2124.0 0.440 107.7
2125.0 0.446 106.7
2126.0 0.452 105.8
2127.0 0.458 104.9
2128.0 0.464 104.0
2129.0 0.469 103.2
2130.0 0.474 102.3
2131.0 0.479 101.5
2132.0 0.483 100.7
2133.0 0.487 99.9
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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