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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:19:28
WDS:
HJ1018
WDS ID/Discoverer
P:
154.233
Orbital period (years)
a:
0.97822
Semi-major axis (arcseconds)
i:
88.271
Inclination (degrees)
Ω:
86.735
Longitude of ascending node (degrees)
T:
1942.755
Epoch of periastron passage (year)
e:
0.91379
Eccentricity
ω:
210.113
Longitude of periastron (degrees)
Start-Year:
1948.0
Year
End-Year:
2102.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
002057.23+674003.0
Epoch-2000 right ascension and declination
WDS-ID:
00210+6740
WDS designation
Discoverer Code:
HJ1018
Discover designation and components
ADS number:
283
Aitken Double Star catalog
HD number:
1624
HD catalog number
Hipparcos number:
1674
Hipparcos catalog number
V1:
8.57
Magnitude of the primary
V2:
8.89
Magnitude of the secondary
Equinox:
Equinox
Date:
2015
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 1.593 87.8
-------------------------
1948.0 0.455 86.3
1949.0 0.521 86.4
1950.0 0.581 86.5
1951.0 0.636 86.6
1952.0 0.688 86.6
1953.0 0.736 86.7
1954.0 0.782 86.7
1955.0 0.825 86.8
1956.0 0.866 86.8
1957.0 0.905 86.9
1958.0 0.942 86.9
1959.0 0.977 86.9
1960.0 1.010 87.0
1961.0 1.042 87.0
1962.0 1.073 87.0
1963.0 1.102 87.0
1964.0 1.130 87.0
1965.0 1.157 87.1
1966.0 1.183 87.1
1967.0 1.208 87.1
1968.0 1.232 87.1
1969.0 1.254 87.1
1970.0 1.276 87.2
1971.0 1.297 87.2
1972.0 1.318 87.2
1973.0 1.337 87.2
1974.0 1.356 87.2
1975.0 1.374 87.2
1976.0 1.391 87.3
1977.0 1.407 87.3
1978.0 1.423 87.3
1979.0 1.438 87.3
1980.0 1.453 87.3
1981.0 1.466 87.3
1982.0 1.480 87.3
1983.0 1.492 87.3
1984.0 1.504 87.4
1985.0 1.516 87.4
1986.0 1.527 87.4
1987.0 1.537 87.4
1988.0 1.547 87.4
1989.0 1.556 87.4
1990.0 1.565 87.4
1991.0 1.573 87.4
1992.0 1.581 87.4
1993.0 1.588 87.5
1994.0 1.595 87.5
1995.0 1.601 87.5
1996.0 1.607 87.5
1997.0 1.612 87.5
1998.0 1.617 87.5
1999.0 1.622 87.5
2000.0 1.626 87.5
2001.0 1.629 87.5
2002.0 1.633 87.6
2003.0 1.635 87.6
2004.0 1.638 87.6
2005.0 1.639 87.6
2006.0 1.641 87.6
2007.0 1.642 87.6
2008.0 1.643 87.6
2009.0 1.643 87.6
2010.0 1.643 87.6
2011.0 1.642 87.6
2012.0 1.641 87.7
2013.0 1.640 87.7
2014.0 1.638 87.7
2015.0 1.636 87.7
2016.0 1.633 87.7
2017.0 1.630 87.7
2018.0 1.627 87.7
2019.0 1.623 87.7
2020.0 1.619 87.7
2021.0 1.615 87.7
2022.0 1.610 87.8
2023.0 1.605 87.8
2024.0 1.599 87.8
2025.0 1.593 87.8
2026.0 1.587 87.8
2027.0 1.580 87.8
2028.0 1.573 87.8
2029.0 1.565 87.8
2030.0 1.557 87.8
2031.0 1.549 87.9
2032.0 1.540 87.9
2033.0 1.531 87.9
2034.0 1.522 87.9
2035.0 1.512 87.9
2036.0 1.502 87.9
2037.0 1.491 87.9
2038.0 1.480 87.9
2039.0 1.469 88.0
2040.0 1.457 88.0
2041.0 1.445 88.0
2042.0 1.432 88.0
2043.0 1.419 88.0
2044.0 1.406 88.0
2045.0 1.392 88.0
2046.0 1.378 88.0
2047.0 1.363 88.1
2048.0 1.348 88.1
2049.0 1.333 88.1
2050.0 1.317 88.1
2051.0 1.301 88.1
2052.0 1.284 88.1
2053.0 1.267 88.2
2054.0 1.249 88.2
2055.0 1.231 88.2
2056.0 1.213 88.2
2057.0 1.194 88.2
2058.0 1.174 88.3
2059.0 1.154 88.3
2060.0 1.134 88.3
2061.0 1.113 88.3
2062.0 1.092 88.3
2063.0 1.070 88.4
2064.0 1.047 88.4
2065.0 1.024 88.4
2066.0 1.001 88.4
2067.0 0.977 88.5
2068.0 0.952 88.5
2069.0 0.927 88.5
2070.0 0.901 88.6
2071.0 0.874 88.6
2072.0 0.847 88.6
2073.0 0.819 88.7
2074.0 0.791 88.7
2075.0 0.761 88.8
2076.0 0.732 88.8
2077.0 0.701 88.9
2078.0 0.669 88.9
2079.0 0.637 89.0
2080.0 0.604 89.1
2081.0 0.570 89.1
2082.0 0.534 89.2
2083.0 0.498 89.3
2084.0 0.461 89.4
2085.0 0.423 89.6
2086.0 0.383 89.8
2087.0 0.343 90.0
2088.0 0.300 90.2
2089.0 0.257 90.6
2090.0 0.211 91.1
2091.0 0.164 91.9
2092.0 0.115 93.3
2093.0 0.065 97.0
2094.0 0.015 127.0
2095.0 0.042 257.2
2096.0 0.087 264.4
2097.0 0.072 267.8
2098.0 0.062 83.0
2099.0 0.182 85.3
2100.0 0.280 85.8
2101.0 0.364 86.1
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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