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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:11:00
WDS:
AGC4
WDS ID/Discoverer
P:
1137.488
Orbital period (years)
a:
3.45104
Semi-major axis (arcseconds)
i:
98.42
Inclination (degrees)
Ω:
66.554
Longitude of ascending node (degrees)
T:
1838.775
Epoch of periastron passage (year)
e:
0.87741
Eccentricity
ω:
112.884
Longitude of periastron (degrees)
Start-Year:
1457.0
Year
End-Year:
2593.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
122645.88-001059.9
Epoch-2000 right ascension and declination
WDS-ID:
12268-0011
WDS designation
Discoverer Code:
AGC4
Discover designation and components
ADS number:
8550
Aitken Double Star catalog
HD number:
108318
HD catalog number
Hipparcos number:
60726
Hipparcos catalog number
V1:
7.95
Magnitude of the primary
V2:
10.04
Magnitude of the secondary
Equinox:
Equinox
Date:
1995
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 0.645 146.6
-------------------------
1457.0 3.216 80.1
1467.0 3.230 79.8
1477.0 3.243 79.6
1487.0 3.253 79.3
1497.0 3.262 79.1
1507.0 3.268 78.8
1517.0 3.273 78.6
1527.0 3.275 78.3
1537.0 3.275 78.1
1547.0 3.272 77.8
1557.0 3.267 77.6
1567.0 3.259 77.3
1577.0 3.249 77.1
1587.0 3.235 76.8
1597.0 3.219 76.6
1607.0 3.199 76.3
1617.0 3.176 76.1
1627.0 3.149 75.8
1637.0 3.119 75.5
1647.0 3.084 75.2
1657.0 3.045 75.0
1667.0 3.001 74.7
1677.0 2.951 74.4
1687.0 2.896 74.1
1697.0 2.835 73.7
1707.0 2.767 73.4
1717.0 2.692 73.0
1727.0 2.607 72.7
1737.0 2.513 72.3
1747.0 2.408 71.8
1757.0 2.290 71.4
1767.0 2.156 70.8
1777.0 2.003 70.2
1787.0 1.825 69.5
1797.0 1.616 68.6
1807.0 1.362 67.4
1817.0 1.041 65.5
1827.0 0.604 61.5
1837.0 0.074 304.6
1847.0 0.585 246.7
1857.0 0.787 241.3
1867.0 0.857 237.4
1877.0 0.873 233.9
1887.0 0.862 230.4
1897.0 0.837 226.7
1907.0 0.804 222.8
1917.0 0.767 218.5
1927.0 0.729 213.8
1937.0 0.692 208.5
1947.0 0.658 202.7
1957.0 0.629 196.3
1967.0 0.606 189.3
1977.0 0.591 181.9
1987.0 0.585 174.2
1997.0 0.588 166.5
2007.0 0.601 159.0
2017.0 0.622 151.9
2027.0 0.651 145.3
2037.0 0.687 139.4
2047.0 0.728 134.1
2057.0 0.774 129.4
2067.0 0.824 125.2
2077.0 0.877 121.6
2087.0 0.932 118.3
2097.0 0.988 115.5
2107.0 1.046 112.9
2117.0 1.105 110.6
2127.0 1.165 108.5
2137.0 1.225 106.7
2147.0 1.285 105.0
2157.0 1.345 103.5
2167.0 1.405 102.1
2177.0 1.465 100.8
2187.0 1.525 99.6
2197.0 1.584 98.5
2207.0 1.643 97.5
2217.0 1.702 96.5
2227.0 1.760 95.7
2237.0 1.817 94.8
2247.0 1.873 94.0
2257.0 1.929 93.3
2267.0 1.984 92.6
2277.0 2.039 92.0
2287.0 2.093 91.3
2297.0 2.145 90.8
2307.0 2.197 90.2
2317.0 2.248 89.7
2327.0 2.299 89.1
2337.0 2.348 88.7
2347.0 2.396 88.2
2357.0 2.443 87.7
2367.0 2.490 87.3
2377.0 2.535 86.9
2387.0 2.579 86.5
2397.0 2.623 86.1
2407.0 2.665 85.7
2417.0 2.706 85.3
2427.0 2.745 85.0
2437.0 2.784 84.6
2447.0 2.822 84.3
2457.0 2.858 84.0
2467.0 2.893 83.7
2477.0 2.927 83.3
2487.0 2.959 83.0
2497.0 2.990 82.7
2507.0 3.020 82.4
2517.0 3.048 82.2
2527.0 3.075 81.9
2537.0 3.101 81.6
2547.0 3.125 81.3
2557.0 3.147 81.0
2567.0 3.168 80.8
2577.0 3.187 80.5
2587.0 3.204 80.3
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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