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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:48:26
WDS:
STF2199
WDS ID/Discoverer
P:
1126.001
Orbital period (years)
a:
2.89677
Semi-major axis (arcseconds)
i:
120.38
Inclination (degrees)
Ω:
148.322
Longitude of ascending node (degrees)
T:
1742.024
Epoch of periastron passage (year)
e:
0.71716
Eccentricity
ω:
297.078
Longitude of periastron (degrees)
Start-Year:
1462.0
Year
End-Year:
2588.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
173838.32+554534.9
Epoch-2000 right ascension and declination
WDS-ID:
17386+5546
WDS designation
Discoverer Code:
STF2199
Discover designation and components
ADS number:
10699
Aitken Double Star catalog
HD number:
160780
HD catalog number
Hipparcos number:
86344
Hipparcos catalog number
V1:
8.03
Magnitude of the primary
V2:
8.60
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 2.066 52.6
-------------------------
1462.0 3.419 350.2
1472.0 3.393 349.4
1482.0 3.365 348.5
1492.0 3.332 347.7
1502.0 3.296 346.8
1512.0 3.256 346.0
1522.0 3.212 345.0
1532.0 3.164 344.1
1542.0 3.110 343.2
1552.0 3.052 342.2
1562.0 2.988 341.1
1572.0 2.918 340.0
1582.0 2.841 338.9
1592.0 2.758 337.7
1602.0 2.667 336.4
1612.0 2.568 335.0
1622.0 2.459 333.5
1632.0 2.340 331.9
1642.0 2.210 330.1
1652.0 2.067 328.0
1662.0 1.909 325.6
1672.0 1.734 322.8
1682.0 1.541 319.2
1692.0 1.326 314.6
1702.0 1.089 308.1
1712.0 0.834 297.7
1722.0 0.584 278.1
1732.0 0.434 238.3
1742.0 0.524 193.1
1752.0 0.740 168.5
1762.0 0.943 155.0
1772.0 1.101 146.0
1782.0 1.218 139.0
1792.0 1.304 133.1
1802.0 1.368 127.8
1812.0 1.418 122.9
1822.0 1.457 118.3
1832.0 1.489 114.0
1842.0 1.516 109.8
1852.0 1.541 105.7
1862.0 1.564 101.8
1872.0 1.586 98.0
1882.0 1.609 94.3
1892.0 1.632 90.7
1902.0 1.656 87.2
1912.0 1.681 83.8
1922.0 1.708 80.5
1932.0 1.737 77.3
1942.0 1.766 74.2
1952.0 1.798 71.3
1962.0 1.831 68.4
1972.0 1.865 65.6
1982.0 1.900 62.9
1992.0 1.937 60.4
2002.0 1.975 57.9
2012.0 2.014 55.5
2022.0 2.054 53.2
2032.0 2.095 51.0
2042.0 2.136 48.9
2052.0 2.178 46.9
2062.0 2.220 44.9
2072.0 2.263 43.1
2082.0 2.306 41.3
2092.0 2.350 39.5
2102.0 2.393 37.8
2112.0 2.436 36.2
2122.0 2.480 34.6
2132.0 2.523 33.1
2142.0 2.566 31.7
2152.0 2.608 30.3
2162.0 2.651 28.9
2172.0 2.693 27.6
2182.0 2.734 26.3
2192.0 2.775 25.0
2202.0 2.815 23.8
2212.0 2.855 22.6
2222.0 2.894 21.5
2232.0 2.932 20.4
2242.0 2.970 19.3
2252.0 3.006 18.2
2262.0 3.042 17.2
2272.0 3.077 16.2
2282.0 3.111 15.2
2292.0 3.144 14.2
2302.0 3.176 13.3
2312.0 3.206 12.4
2322.0 3.236 11.5
2332.0 3.264 10.6
2342.0 3.291 9.7
2352.0 3.317 8.8
2362.0 3.342 8.0
2372.0 3.365 7.1
2382.0 3.386 6.3
2392.0 3.407 5.5
2402.0 3.425 4.7
2412.0 3.443 3.9
2422.0 3.458 3.1
2432.0 3.472 2.3
2442.0 3.484 1.5
2452.0 3.495 0.7
2462.0 3.503 359.9
2472.0 3.510 359.2
2482.0 3.514 358.4
2492.0 3.517 357.6
2502.0 3.517 356.9
2512.0 3.515 356.1
2522.0 3.511 355.4
2532.0 3.505 354.6
2542.0 3.496 353.8
2552.0 3.484 353.0
2562.0 3.470 352.3
2572.0 3.452 351.5
2582.0 3.432 350.7
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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