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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:59:43
WDS:
STT81AB
WDS ID/Discoverer
P:
1885.959
Orbital period (years)
a:
16.46579
Semi-major axis (arcseconds)
i:
100.726
Inclination (degrees)
Ω:
70.746
Longitude of ascending node (degrees)
T:
1743.571
Epoch of periastron passage (year)
e:
0.88101
Eccentricity
ω:
286.697
Longitude of periastron (degrees)
Start-Year:
1083.0
Year
End-Year:
2967.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
042437.46+335734.9
Epoch-2000 right ascension and declination
WDS-ID:
04246+3358
WDS designation
Discoverer Code:
STT81AB
Discover designation and components
ADS number:
3188
Aitken Double Star catalog
HD number:
27786
HD catalog number
Hipparcos number:
20591
Hipparcos catalog number
V1:
5.84
Magnitude of the primary
V2:
9.25
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 4.183 10.0
-------------------------
1083.0 12.924 273.2
1093.0 12.983 273.0
1103.0 13.039 272.7
1113.0 13.094 272.4
1123.0 13.145 272.2
1133.0 13.195 271.9
1143.0 13.241 271.6
1153.0 13.285 271.4
1163.0 13.327 271.1
1173.0 13.365 270.9
1183.0 13.401 270.6
1193.0 13.434 270.4
1203.0 13.463 270.1
1213.0 13.490 269.9
1223.0 13.513 269.6
1233.0 13.534 269.4
1243.0 13.551 269.1
1253.0 13.564 268.9
1263.0 13.574 268.6
1273.0 13.580 268.4
1283.0 13.583 268.1
1293.0 13.581 267.9
1303.0 13.576 267.6
1313.0 13.567 267.4
1323.0 13.553 267.1
1333.0 13.535 266.9
1343.0 13.512 266.6
1353.0 13.485 266.4
1363.0 13.452 266.1
1373.0 13.415 265.9
1383.0 13.372 265.6
1393.0 13.323 265.4
1403.0 13.269 265.1
1413.0 13.209 264.9
1423.0 13.143 264.6
1433.0 13.070 264.3
1443.0 12.990 264.1
1453.0 12.902 263.8
1463.0 12.808 263.5
1473.0 12.705 263.2
1483.0 12.593 262.9
1493.0 12.473 262.7
1503.0 12.343 262.4
1513.0 12.203 262.1
1523.0 12.053 261.7
1533.0 11.890 261.4
1543.0 11.715 261.1
1553.0 11.527 260.8
1563.0 11.324 260.4
1573.0 11.106 260.1
1583.0 10.870 259.7
1593.0 10.616 259.3
1603.0 10.340 258.9
1613.0 10.041 258.4
1623.0 9.716 258.0
1633.0 9.361 257.5
1643.0 8.972 256.9
1653.0 8.543 256.3
1663.0 8.067 255.7
1673.0 7.534 254.9
1683.0 6.932 254.0
1693.0 6.240 253.0
1703.0 5.430 251.7
1713.0 4.455 249.8
1723.0 3.235 246.7
1733.0 1.649 238.4
1743.0 0.568 109.5
1753.0 2.242 74.8
1763.0 3.292 68.9
1773.0 3.907 65.4
1783.0 4.291 62.7
1793.0 4.539 60.4
1803.0 4.701 58.2
1813.0 4.805 56.2
1823.0 4.867 54.3
1833.0 4.898 52.4
1843.0 4.907 50.5
1853.0 4.898 48.6
1863.0 4.875 46.7
1873.0 4.843 44.7
1883.0 4.803 42.8
1893.0 4.757 40.8
1903.0 4.708 38.7
1913.0 4.655 36.7
1923.0 4.602 34.5
1933.0 4.549 32.4
1943.0 4.496 30.1
1953.0 4.445 27.8
1963.0 4.396 25.5
1973.0 4.350 23.1
1983.0 4.308 20.7
1993.0 4.271 18.2
2003.0 4.237 15.7
2013.0 4.209 13.1
2023.0 4.187 10.6
2033.0 4.171 8.0
2043.0 4.160 5.3
2053.0 4.156 2.7
2063.0 4.159 0.1
2073.0 4.168 357.4
2083.0 4.183 354.8
2093.0 4.206 352.2
2103.0 4.235 349.7
2113.0 4.270 347.1
2123.0 4.312 344.7
2133.0 4.360 342.2
2143.0 4.414 339.9
2153.0 4.473 337.6
2163.0 4.538 335.3
2173.0 4.609 333.1
2183.0 4.684 331.0
2193.0 4.764 329.0
2203.0 4.848 327.0
2213.0 4.936 325.1
2223.0 5.028 323.3
2233.0 5.124 321.5
2243.0 5.222 319.8
2253.0 5.324 318.2
2263.0 5.429 316.6
2273.0 5.536 315.1
2283.0 5.646 313.6
2293.0 5.757 312.2
2303.0 5.871 310.9
2313.0 5.986 309.6
2323.0 6.103 308.3
2333.0 6.221 307.1
2343.0 6.340 306.0
2353.0 6.461 304.8
2363.0 6.582 303.8
2373.0 6.704 302.7
2383.0 6.827 301.7
2393.0 6.951 300.8
2403.0 7.075 299.9
2413.0 7.199 299.0
2423.0 7.324 298.1
2433.0 7.449 297.3
2443.0 7.573 296.5
2453.0 7.698 295.7
2463.0 7.823 294.9
2473.0 7.948 294.2
2483.0 8.072 293.5
2493.0 8.197 292.8
2503.0 8.320 292.1
2513.0 8.444 291.5
2523.0 8.567 290.8
2533.0 8.689 290.2
2543.0 8.811 289.6
2553.0 8.933 289.1
2563.0 9.053 288.5
2573.0 9.173 287.9
2583.0 9.292 287.4
2593.0 9.411 286.9
2603.0 9.528 286.4
2613.0 9.645 285.9
2623.0 9.761 285.4
2633.0 9.876 284.9
2643.0 9.989 284.5
2653.0 10.102 284.0
2663.0 10.214 283.6
2673.0 10.324 283.1
2683.0 10.434 282.7
2693.0 10.542 282.3
2703.0 10.649 281.9
2713.0 10.755 281.5
2723.0 10.859 281.1
2733.0 10.962 280.7
2743.0 11.064 280.3
2753.0 11.165 280.0
2763.0 11.264 279.6
2773.0 11.361 279.3
2783.0 11.457 278.9
2793.0 11.552 278.6
2803.0 11.645 278.2
2813.0 11.736 277.9
2823.0 11.826 277.6
2833.0 11.914 277.2
2843.0 12.000 276.9
2853.0 12.084 276.6
2863.0 12.167 276.3
2873.0 12.248 276.0
2883.0 12.327 275.7
2893.0 12.404 275.4
2903.0 12.480 275.1
2913.0 12.553 274.8
2923.0 12.624 274.5
2933.0 12.693 274.2
2943.0 12.760 274.0
2953.0 12.825 273.7
2963.0 12.888 273.4
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