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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:43:16
WDS:
STF1291AB
WDS ID/Discoverer
P:
2336.146
Orbital period (years)
a:
3.61518
Semi-major axis (arcseconds)
i:
104.575
Inclination (degrees)
Ω:
91.152
Longitude of ascending node (degrees)
T:
2351.936
Epoch of periastron passage (year)
e:
0.79596
Eccentricity
ω:
254.31
Longitude of periastron (degrees)
Start-Year:
857.0
Year
End-Year:
3193.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
085414.65+303445.8
Epoch-2000 right ascension and declination
WDS-ID:
08542+3035
WDS designation
Discoverer Code:
STF1291AB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
75959
HD catalog number
Hipparcos number:
43721
Hipparcos catalog number
V1:
6.09
Magnitude of the primary
V2:
6.37
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 1.536 308.6
-------------------------
857.0 2.990 63.3
867.0 2.974 63.0
877.0 2.958 62.6
887.0 2.942 62.3
897.0 2.926 61.9
907.0 2.909 61.6
917.0 2.892 61.2
927.0 2.875 60.8
937.0 2.857 60.5
947.0 2.840 60.1
957.0 2.821 59.7
967.0 2.803 59.3
977.0 2.784 58.9
987.0 2.766 58.5
997.0 2.747 58.1
1007.0 2.727 57.7
1017.0 2.708 57.3
1027.0 2.688 56.9
1037.0 2.668 56.4
1047.0 2.648 56.0
1057.0 2.628 55.6
1067.0 2.607 55.1
1077.0 2.587 54.7
1087.0 2.566 54.2
1097.0 2.545 53.7
1107.0 2.524 53.3
1117.0 2.502 52.8
1127.0 2.481 52.3
1137.0 2.460 51.8
1147.0 2.438 51.3
1157.0 2.416 50.7
1167.0 2.394 50.2
1177.0 2.372 49.7
1187.0 2.350 49.1
1197.0 2.328 48.6
1207.0 2.306 48.0
1217.0 2.284 47.4
1227.0 2.262 46.8
1237.0 2.240 46.2
1247.0 2.217 45.6
1257.0 2.195 45.0
1267.0 2.173 44.3
1277.0 2.150 43.7
1287.0 2.128 43.0
1297.0 2.106 42.3
1307.0 2.084 41.6
1317.0 2.061 40.9
1327.0 2.039 40.2
1337.0 2.017 39.4
1347.0 1.995 38.7
1357.0 1.973 37.9
1367.0 1.952 37.1
1377.0 1.930 36.3
1387.0 1.909 35.4
1397.0 1.887 34.6
1407.0 1.866 33.7
1417.0 1.845 32.8
1427.0 1.825 31.9
1437.0 1.804 31.0
1447.0 1.784 30.0
1457.0 1.764 29.0
1467.0 1.744 28.0
1477.0 1.725 27.0
1487.0 1.705 26.0
1497.0 1.687 24.9
1507.0 1.668 23.8
1517.0 1.650 22.7
1527.0 1.632 21.6
1537.0 1.615 20.4
1547.0 1.598 19.2
1557.0 1.582 18.0
1567.0 1.566 16.8
1577.0 1.551 15.5
1587.0 1.536 14.2
1597.0 1.522 12.9
1607.0 1.508 11.6
1617.0 1.495 10.2
1627.0 1.482 8.8
1637.0 1.470 7.4
1647.0 1.459 6.0
1657.0 1.448 4.5
1667.0 1.438 3.1
1677.0 1.429 1.6
1687.0 1.420 0.1
1697.0 1.413 358.5
1707.0 1.406 357.0
1717.0 1.399 355.4
1727.0 1.394 353.8
1737.0 1.389 352.3
1747.0 1.385 350.7
1757.0 1.382 349.1
1767.0 1.379 347.4
1777.0 1.378 345.8
1787.0 1.377 344.2
1797.0 1.377 342.6
1807.0 1.377 341.0
1817.0 1.379 339.4
1827.0 1.381 337.8
1837.0 1.384 336.1
1847.0 1.387 334.5
1857.0 1.392 333.0
1867.0 1.397 331.4
1877.0 1.402 329.8
1887.0 1.408 328.3
1897.0 1.415 326.7
1907.0 1.423 325.2
1917.0 1.430 323.7
1927.0 1.439 322.2
1937.0 1.447 320.7
1947.0 1.457 319.3
1957.0 1.466 317.8
1967.0 1.476 316.4
1977.0 1.486 315.0
1987.0 1.496 313.6
1997.0 1.507 312.3
2007.0 1.517 310.9
2017.0 1.528 309.6
2027.0 1.538 308.3
2037.0 1.548 307.0
2047.0 1.559 305.7
2057.0 1.569 304.5
2067.0 1.578 303.2
2077.0 1.587 302.0
2087.0 1.596 300.8
2097.0 1.604 299.6
2107.0 1.611 298.4
2117.0 1.618 297.3
2127.0 1.623 296.1
2137.0 1.627 294.9
2147.0 1.630 293.8
2157.0 1.631 292.6
2167.0 1.630 291.5
2177.0 1.627 290.3
2187.0 1.622 289.1
2197.0 1.613 288.0
2207.0 1.602 286.8
2217.0 1.587 285.6
2227.0 1.567 284.3
2237.0 1.543 283.1
2247.0 1.512 281.8
2257.0 1.474 280.4
2267.0 1.426 278.9
2277.0 1.369 277.4
2287.0 1.297 275.6
2297.0 1.210 273.7
2307.0 1.101 271.4
2317.0 0.966 268.5
2327.0 0.800 264.6
2337.0 0.599 258.2
2347.0 0.374 244.6
2357.0 0.195 198.2
2367.0 0.295 131.5
2377.0 0.525 111.5
2387.0 0.753 103.7
2397.0 0.962 99.5
2407.0 1.150 96.8
2417.0 1.318 94.7
2427.0 1.470 93.2
2437.0 1.607 91.9
2447.0 1.732 90.8
2457.0 1.846 89.8
2467.0 1.950 89.0
2477.0 2.047 88.2
2487.0 2.135 87.5
2497.0 2.217 86.8
2507.0 2.294 86.2
2517.0 2.364 85.7
2527.0 2.430 85.1
2537.0 2.492 84.6
2547.0 2.550 84.2
2557.0 2.603 83.7
2567.0 2.654 83.2
2577.0 2.701 82.8
2587.0 2.745 82.4
2597.0 2.786 82.0
2607.0 2.825 81.6
2617.0 2.862 81.2
2627.0 2.896 80.9
2637.0 2.927 80.5
2647.0 2.957 80.1
2657.0 2.985 79.8
2667.0 3.011 79.5
2677.0 3.036 79.1
2687.0 3.058 78.8
2697.0 3.079 78.5
2707.0 3.099 78.1
2717.0 3.117 77.8
2727.0 3.134 77.5
2737.0 3.149 77.2
2747.0 3.163 76.9
2757.0 3.176 76.6
2767.0 3.188 76.3
2777.0 3.199 76.0
2787.0 3.208 75.7
2797.0 3.217 75.4
2807.0 3.224 75.1
2817.0 3.231 74.8
2827.0 3.236 74.5
2837.0 3.241 74.2
2847.0 3.245 73.9
2857.0 3.248 73.6
2867.0 3.250 73.3
2877.0 3.252 73.0
2887.0 3.252 72.8
2897.0 3.252 72.5
2907.0 3.251 72.2
2917.0 3.249 71.9
2927.0 3.247 71.6
2937.0 3.244 71.3
2947.0 3.241 71.0
2957.0 3.236 70.7
2967.0 3.232 70.4
2977.0 3.226 70.1
2987.0 3.220 69.8
2997.0 3.214 69.5
3007.0 3.207 69.2
3017.0 3.199 68.9
3027.0 3.191 68.6
3037.0 3.182 68.3
3047.0 3.173 68.0
3057.0 3.163 67.7
3067.0 3.153 67.4
3077.0 3.143 67.1
3087.0 3.132 66.8
3097.0 3.120 66.5
3107.0 3.108 66.2
3117.0 3.096 65.9
3127.0 3.083 65.5
3137.0 3.070 65.2
3147.0 3.057 64.9
3157.0 3.043 64.6
3167.0 3.029 64.2
3177.0 3.014 63.9
3187.0 2.999 63.5
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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