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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:30:03
WDS:
STF982AB
WDS ID/Discoverer
P:
1749.905
Orbital period (years)
a:
11.96064
Semi-major axis (arcseconds)
i:
116.481
Inclination (degrees)
Ω:
36.824
Longitude of ascending node (degrees)
T:
1678.603
Epoch of periastron passage (year)
e:
0.84082
Eccentricity
ω:
104.38
Longitude of periastron (degrees)
Start-Year:
1151.0
Year
End-Year:
2899.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
065438.63+131040.1
Epoch-2000 right ascension and declination
WDS-ID:
06546+1311
WDS designation
Discoverer Code:
STF982AB
Discover designation and components
ADS number:
5559
Aitken Double Star catalog
HD number:
50635
HD catalog number
Hipparcos number:
33202
Hipparcos catalog number
V1:
4.75
Magnitude of the primary
V2:
7.80
Magnitude of the secondary
Equinox:
Equinox
Date:
2014
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 7.429 141.9
-------------------------
1151.0 11.787 78.4
1161.0 11.776 77.9
1171.0 11.763 77.4
1181.0 11.747 76.8
1191.0 11.728 76.3
1201.0 11.707 75.8
1211.0 11.682 75.3
1221.0 11.655 74.8
1231.0 11.624 74.3
1241.0 11.590 73.7
1251.0 11.553 73.2
1261.0 11.513 72.7
1271.0 11.469 72.1
1281.0 11.421 71.6
1291.0 11.370 71.0
1301.0 11.315 70.5
1311.0 11.255 69.9
1321.0 11.192 69.4
1331.0 11.123 68.8
1341.0 11.051 68.2
1351.0 10.973 67.6
1361.0 10.891 67.0
1371.0 10.803 66.4
1381.0 10.709 65.8
1391.0 10.610 65.2
1401.0 10.505 64.5
1411.0 10.393 63.9
1421.0 10.274 63.2
1431.0 10.148 62.6
1441.0 10.014 61.9
1451.0 9.872 61.1
1461.0 9.722 60.4
1471.0 9.562 59.6
1481.0 9.391 58.8
1491.0 9.210 58.0
1501.0 9.017 57.2
1511.0 8.811 56.3
1521.0 8.591 55.3
1531.0 8.356 54.3
1541.0 8.103 53.3
1551.0 7.831 52.2
1561.0 7.538 51.0
1571.0 7.220 49.7
1581.0 6.874 48.2
1591.0 6.495 46.6
1601.0 6.077 44.8
1611.0 5.612 42.8
1621.0 5.090 40.3
1631.0 4.496 37.2
1641.0 3.809 33.1
1651.0 3.001 26.9
1661.0 2.049 15.4
1671.0 1.064 342.0
1681.0 1.119 260.7
1691.0 2.056 229.7
1701.0 2.835 217.7
1711.0 3.410 210.4
1721.0 3.845 205.0
1731.0 4.188 200.6
1741.0 4.468 196.8
1751.0 4.703 193.4
1761.0 4.904 190.4
1771.0 5.080 187.5
1781.0 5.237 184.8
1791.0 5.378 182.3
1801.0 5.507 179.9
1811.0 5.627 177.6
1821.0 5.738 175.4
1831.0 5.844 173.3
1841.0 5.943 171.3
1851.0 6.039 169.3
1861.0 6.130 167.4
1871.0 6.219 165.5
1881.0 6.305 163.7
1891.0 6.390 161.9
1901.0 6.472 160.2
1911.0 6.553 158.5
1921.0 6.633 156.9
1931.0 6.712 155.3
1941.0 6.790 153.8
1951.0 6.867 152.2
1961.0 6.944 150.7
1971.0 7.021 149.3
1981.0 7.097 147.9
1991.0 7.173 146.5
2001.0 7.248 145.1
2011.0 7.324 143.8
2021.0 7.399 142.4
2031.0 7.475 141.2
2041.0 7.550 139.9
2051.0 7.625 138.7
2061.0 7.700 137.5
2071.0 7.775 136.3
2081.0 7.850 135.1
2091.0 7.924 134.0
2101.0 7.999 132.8
2111.0 8.074 131.7
2121.0 8.148 130.7
2131.0 8.222 129.6
2141.0 8.297 128.6
2151.0 8.371 127.5
2161.0 8.445 126.5
2171.0 8.518 125.6
2181.0 8.592 124.6
2191.0 8.665 123.6
2201.0 8.738 122.7
2211.0 8.811 121.8
2221.0 8.883 120.9
2231.0 8.956 120.0
2241.0 9.027 119.1
2251.0 9.099 118.2
2261.0 9.170 117.4
2271.0 9.241 116.5
2281.0 9.311 115.7
2291.0 9.380 114.9
2301.0 9.450 114.1
2311.0 9.519 113.3
2321.0 9.587 112.5
2331.0 9.654 111.8
2341.0 9.722 111.0
2351.0 9.788 110.3
2361.0 9.854 109.5
2371.0 9.919 108.8
2381.0 9.984 108.1
2391.0 10.048 107.4
2401.0 10.111 106.7
2411.0 10.173 106.0
2421.0 10.235 105.3
2431.0 10.296 104.6
2441.0 10.356 104.0
2451.0 10.415 103.3
2461.0 10.474 102.6
2471.0 10.531 102.0
2481.0 10.588 101.4
2491.0 10.644 100.7
2501.0 10.699 100.1
2511.0 10.752 99.5
2521.0 10.805 98.9
2531.0 10.857 98.3
2541.0 10.908 97.7
2551.0 10.957 97.1
2561.0 11.006 96.5
2571.0 11.053 95.9
2581.0 11.100 95.3
2591.0 11.145 94.8
2601.0 11.189 94.2
2611.0 11.232 93.6
2621.0 11.273 93.1
2631.0 11.313 92.5
2641.0 11.352 91.9
2651.0 11.390 91.4
2661.0 11.426 90.8
2671.0 11.460 90.3
2681.0 11.494 89.8
2691.0 11.526 89.2
2701.0 11.556 88.7
2711.0 11.585 88.2
2721.0 11.612 87.6
2731.0 11.637 87.1
2741.0 11.661 86.6
2751.0 11.684 86.1
2761.0 11.704 85.5
2771.0 11.723 85.0
2781.0 11.740 84.5
2791.0 11.755 84.0
2801.0 11.769 83.5
2811.0 11.780 83.0
2821.0 11.789 82.5
2831.0 11.797 82.0
2841.0 11.802 81.4
2851.0 11.805 80.9
2861.0 11.806 80.4
2871.0 11.805 79.9
2881.0 11.801 79.4
2891.0 11.795 78.9
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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