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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:19:17
WDS:
STF1769AB
WDS ID/Discoverer
P:
2616.357
Orbital period (years)
a:
4.97148
Semi-major axis (arcseconds)
i:
75.356
Inclination (degrees)
Ω:
173.088
Longitude of ascending node (degrees)
T:
2327.790
Epoch of periastron passage (year)
e:
0.79906
Eccentricity
ω:
40.904
Longitude of periastron (degrees)
Start-Year:
717.0
Year
End-Year:
3333.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
133801.95+391041.0
Epoch-2000 right ascension and declination
WDS-ID:
13381+3910
WDS designation
Discoverer Code:
STF1769AB
Discover designation and components
ADS number:
8981
Aitken Double Star catalog
HD number:
118742
HD catalog number
Hipparcos number:
66514
Hipparcos catalog number
V1:
7.91
Magnitude of the primary
V2:
10.42
Magnitude of the secondary
Equinox:
Equinox
Date:
2015
Date of last observation
Orbit grade:
5
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 1.479 46.7
-------------------------
717.0 7.325 2.4
727.0 7.322 2.5
737.0 7.319 2.6
747.0 7.315 2.7
757.0 7.310 2.8
767.0 7.304 2.9
777.0 7.298 3.0
787.0 7.290 3.1
797.0 7.282 3.2
807.0 7.274 3.3
817.0 7.264 3.4
827.0 7.254 3.5
837.0 7.243 3.6
847.0 7.232 3.7
857.0 7.219 3.8
867.0 7.206 3.9
877.0 7.192 4.0
887.0 7.178 4.1
897.0 7.163 4.2
907.0 7.147 4.3
917.0 7.130 4.4
927.0 7.113 4.5
937.0 7.095 4.6
947.0 7.076 4.7
957.0 7.057 4.8
967.0 7.037 4.9
977.0 7.016 5.0
987.0 6.995 5.1
997.0 6.973 5.2
1007.0 6.950 5.3
1017.0 6.926 5.4
1027.0 6.902 5.5
1037.0 6.878 5.6
1047.0 6.852 5.7
1057.0 6.826 5.9
1067.0 6.800 6.0
1077.0 6.772 6.1
1087.0 6.744 6.2
1097.0 6.716 6.3
1107.0 6.686 6.4
1117.0 6.657 6.5
1127.0 6.626 6.7
1137.0 6.595 6.8
1147.0 6.563 6.9
1157.0 6.531 7.0
1167.0 6.498 7.1
1177.0 6.464 7.3
1187.0 6.429 7.4
1197.0 6.395 7.5
1207.0 6.359 7.6
1217.0 6.323 7.8
1227.0 6.286 7.9
1237.0 6.248 8.0
1247.0 6.210 8.2
1257.0 6.172 8.3
1267.0 6.132 8.4
1277.0 6.092 8.6
1287.0 6.052 8.7
1297.0 6.011 8.8
1307.0 5.969 9.0
1317.0 5.926 9.1
1327.0 5.883 9.3
1337.0 5.840 9.4
1347.0 5.796 9.6
1357.0 5.751 9.7
1367.0 5.705 9.9
1377.0 5.659 10.1
1387.0 5.612 10.2
1397.0 5.565 10.4
1407.0 5.517 10.6
1417.0 5.469 10.7
1427.0 5.420 10.9
1437.0 5.370 11.1
1447.0 5.319 11.3
1457.0 5.268 11.4
1467.0 5.217 11.6
1477.0 5.165 11.8
1487.0 5.112 12.0
1497.0 5.058 12.2
1507.0 5.004 12.4
1517.0 4.950 12.6
1527.0 4.895 12.8
1537.0 4.839 13.1
1547.0 4.782 13.3
1557.0 4.725 13.5
1567.0 4.668 13.8
1577.0 4.609 14.0
1587.0 4.550 14.2
1597.0 4.491 14.5
1607.0 4.431 14.8
1617.0 4.370 15.0
1627.0 4.309 15.3
1637.0 4.247 15.6
1647.0 4.185 15.9
1657.0 4.122 16.2
1667.0 4.058 16.5
1677.0 3.994 16.8
1687.0 3.929 17.1
1697.0 3.863 17.5
1707.0 3.797 17.8
1717.0 3.731 18.2
1727.0 3.664 18.6
1737.0 3.596 19.0
1747.0 3.527 19.4
1757.0 3.459 19.8
1767.0 3.389 20.2
1777.0 3.319 20.7
1787.0 3.249 21.2
1797.0 3.178 21.7
1807.0 3.106 22.2
1817.0 3.034 22.7
1827.0 2.961 23.3
1837.0 2.888 23.9
1847.0 2.815 24.6
1857.0 2.741 25.2
1867.0 2.666 25.9
1877.0 2.592 26.7
1887.0 2.517 27.5
1897.0 2.441 28.3
1907.0 2.365 29.2
1917.0 2.289 30.2
1927.0 2.213 31.2
1937.0 2.137 32.3
1947.0 2.061 33.4
1957.0 1.985 34.7
1967.0 1.909 36.1
1977.0 1.833 37.6
1987.0 1.758 39.2
1997.0 1.683 40.9
2007.0 1.609 42.8
2017.0 1.536 44.9
2027.0 1.465 47.2
2037.0 1.395 49.7
2047.0 1.327 52.5
2057.0 1.261 55.6
2067.0 1.199 59.0
2077.0 1.140 62.8
2087.0 1.086 67.0
2097.0 1.037 71.6
2107.0 0.994 76.6
2117.0 0.959 82.0
2127.0 0.931 87.8
2137.0 0.912 93.9
2147.0 0.902 100.2
2157.0 0.902 106.6
2167.0 0.911 112.9
2177.0 0.929 119.0
2187.0 0.954 124.9
2197.0 0.986 130.3
2207.0 1.023 135.5
2217.0 1.064 140.2
2227.0 1.106 144.6
2237.0 1.148 148.7
2247.0 1.187 152.5
2257.0 1.220 156.0
2267.0 1.243 159.5
2277.0 1.252 162.8
2287.0 1.239 166.1
2297.0 1.196 169.6
2307.0 1.112 173.4
2317.0 0.977 178.1
2327.0 0.790 184.8
2337.0 0.565 196.3
2347.0 0.356 222.6
2357.0 0.313 276.1
2367.0 0.493 311.6
2377.0 0.740 325.8
2387.0 0.994 332.9
2397.0 1.242 337.0
2407.0 1.479 339.9
2417.0 1.704 341.9
2427.0 1.919 343.5
2437.0 2.124 344.7
2447.0 2.318 345.8
2457.0 2.504 346.7
2467.0 2.682 347.5
2477.0 2.851 348.1
2487.0 3.014 348.7
2497.0 3.170 349.3
2507.0 3.320 349.8
2517.0 3.464 350.2
2527.0 3.603 350.6
2537.0 3.737 351.0
2547.0 3.866 351.4
2557.0 3.990 351.7
2567.0 4.110 352.0
2577.0 4.226 352.3
2587.0 4.339 352.6
2597.0 4.447 352.9
2607.0 4.552 353.1
2617.0 4.654 353.4
2627.0 4.753 353.6
2637.0 4.848 353.8
2647.0 4.941 354.0
2657.0 5.031 354.2
2667.0 5.118 354.5
2677.0 5.202 354.6
2687.0 5.284 354.8
2697.0 5.364 355.0
2707.0 5.441 355.2
2717.0 5.516 355.4
2727.0 5.588 355.5
2737.0 5.659 355.7
2747.0 5.727 355.9
2757.0 5.794 356.0
2767.0 5.858 356.2
2777.0 5.921 356.3
2787.0 5.982 356.5
2797.0 6.041 356.6
2807.0 6.098 356.7
2817.0 6.153 356.9
2827.0 6.207 357.0
2837.0 6.259 357.1
2847.0 6.310 357.3
2857.0 6.359 357.4
2867.0 6.406 357.5
2877.0 6.452 357.7
2887.0 6.497 357.8
2897.0 6.540 357.9
2907.0 6.582 358.0
2917.0 6.622 358.1
2927.0 6.661 358.3
2937.0 6.699 358.4
2947.0 6.735 358.5
2957.0 6.770 358.6
2967.0 6.804 358.7
2977.0 6.837 358.8
2987.0 6.868 358.9
2997.0 6.899 359.0
3007.0 6.928 359.2
3017.0 6.956 359.3
3027.0 6.982 359.4
3037.0 7.008 359.5
3047.0 7.033 359.6
3057.0 7.056 359.7
3067.0 7.078 359.8
3077.0 7.100 359.9
3087.0 7.120 360.0
3097.0 7.139 0.1
3107.0 7.158 0.2
3117.0 7.175 0.3
3127.0 7.191 0.4
3137.0 7.207 0.5
3147.0 7.221 0.6
3157.0 7.234 0.7
3167.0 7.247 0.8
3177.0 7.258 0.9
3187.0 7.269 1.0
3197.0 7.279 1.1
3207.0 7.287 1.2
3217.0 7.295 1.3
3227.0 7.302 1.4
3237.0 7.309 1.5
3247.0 7.314 1.6
3257.0 7.318 1.7
3267.0 7.322 1.8
3277.0 7.325 1.9
3287.0 7.327 2.0
3297.0 7.328 2.1
3307.0 7.328 2.1
3317.0 7.328 2.2
3327.0 7.326 2.3
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 .
www.stella-vega.de