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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:17:35
WDS:
I129AB
WDS ID/Discoverer
P:
1743.121
Orbital period (years)
a:
11.62162
Semi-major axis (arcseconds)
i:
99.648
Inclination (degrees)
Ω:
90.748
Longitude of ascending node (degrees)
T:
1763.602
Epoch of periastron passage (year)
e:
0.94298
Eccentricity
ω:
289.829
Longitude of periastron (degrees)
Start-Year:
1154.0
Year
End-Year:
2896.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
205626.63-591625.0
Epoch-2000 right ascension and declination
WDS-ID:
20564-5916
WDS designation
Discoverer Code:
I129AB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
198943
HD catalog number
Hipparcos number:
103361
Hipparcos catalog number
V1:
8.22
Magnitude of the primary
V2:
9.96
Magnitude of the secondary
Equinox:
Equinox
Date:
2014
Date of last observation
Orbit grade:
5
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 2.767 332.7
-------------------------
1154.0 9.485 290.7
1164.0 9.501 290.5
1174.0 9.516 290.3
1184.0 9.528 290.2
1194.0 9.538 290.0
1204.0 9.547 289.8
1214.0 9.553 289.7
1224.0 9.557 289.5
1234.0 9.559 289.3
1244.0 9.559 289.1
1254.0 9.556 289.0
1264.0 9.551 288.8
1274.0 9.544 288.6
1284.0 9.534 288.5
1294.0 9.522 288.3
1304.0 9.507 288.1
1314.0 9.489 288.0
1324.0 9.469 287.8
1334.0 9.446 287.6
1344.0 9.420 287.4
1354.0 9.391 287.3
1364.0 9.359 287.1
1374.0 9.324 286.9
1384.0 9.285 286.7
1394.0 9.244 286.5
1404.0 9.199 286.4
1414.0 9.150 286.2
1424.0 9.097 286.0
1434.0 9.041 285.8
1444.0 8.981 285.6
1454.0 8.916 285.4
1464.0 8.848 285.2
1474.0 8.774 285.0
1484.0 8.696 284.8
1494.0 8.613 284.6
1504.0 8.525 284.4
1514.0 8.431 284.2
1524.0 8.332 283.9
1534.0 8.226 283.7
1544.0 8.114 283.5
1554.0 7.994 283.2
1564.0 7.868 283.0
1574.0 7.734 282.7
1584.0 7.591 282.5
1594.0 7.439 282.2
1604.0 7.277 281.9
1614.0 7.104 281.6
1624.0 6.919 281.3
1634.0 6.721 281.0
1644.0 6.508 280.6
1654.0 6.278 280.2
1664.0 6.030 279.8
1674.0 5.760 279.4
1684.0 5.464 278.9
1694.0 5.137 278.3
1704.0 4.773 277.7
1714.0 4.360 276.9
1724.0 3.883 276.0
1734.0 3.313 274.8
1744.0 2.593 273.0
1754.0 1.571 269.3
1764.0 0.330 108.1
1774.0 1.398 84.3
1784.0 1.652 77.7
1794.0 1.736 72.4
1804.0 1.757 67.3
1814.0 1.751 62.2
1824.0 1.733 57.1
1834.0 1.712 51.9
1844.0 1.693 46.5
1854.0 1.680 41.0
1864.0 1.674 35.5
1874.0 1.679 29.9
1884.0 1.693 24.5
1894.0 1.719 19.1
1904.0 1.755 13.9
1914.0 1.802 9.0
1924.0 1.858 4.4
1934.0 1.923 0.0
1944.0 1.995 355.9
1954.0 2.075 352.2
1964.0 2.160 348.7
1974.0 2.251 345.5
1984.0 2.346 342.6
1994.0 2.444 339.8
2004.0 2.546 337.3
2014.0 2.650 335.0
2024.0 2.756 332.9
2034.0 2.865 330.9
2044.0 2.974 329.1
2054.0 3.085 327.4
2064.0 3.196 325.8
2074.0 3.308 324.4
2084.0 3.420 323.0
2094.0 3.533 321.7
2104.0 3.645 320.5
2114.0 3.758 319.4
2124.0 3.871 318.3
2134.0 3.983 317.3
2144.0 4.095 316.3
2154.0 4.206 315.4
2164.0 4.317 314.6
2174.0 4.427 313.8
2184.0 4.537 313.0
2194.0 4.646 312.2
2204.0 4.754 311.5
2214.0 4.862 310.9
2224.0 4.968 310.2
2234.0 5.074 309.6
2244.0 5.179 309.0
2254.0 5.284 308.4
2264.0 5.387 307.9
2274.0 5.489 307.4
2284.0 5.591 306.9
2294.0 5.691 306.4
2304.0 5.791 305.9
2314.0 5.889 305.4
2324.0 5.986 305.0
2334.0 6.083 304.6
2344.0 6.178 304.2
2354.0 6.273 303.8
2364.0 6.366 303.4
2374.0 6.458 303.0
2384.0 6.549 302.6
2394.0 6.639 302.3
2404.0 6.728 301.9
2414.0 6.815 301.6
2424.0 6.902 301.2
2434.0 6.987 300.9
2444.0 7.072 300.6
2454.0 7.155 300.3
2464.0 7.237 300.0
2474.0 7.318 299.7
2484.0 7.397 299.4
2494.0 7.475 299.1
2504.0 7.552 298.9
2514.0 7.628 298.6
2524.0 7.703 298.3
2534.0 7.776 298.1
2544.0 7.849 297.8
2554.0 7.919 297.6
2564.0 7.989 297.3
2574.0 8.057 297.1
2584.0 8.124 296.8
2594.0 8.190 296.6
2604.0 8.255 296.4
2614.0 8.318 296.1
2624.0 8.379 295.9
2634.0 8.440 295.7
2644.0 8.499 295.5
2654.0 8.556 295.3
2664.0 8.612 295.1
2674.0 8.667 294.9
2684.0 8.720 294.6
2694.0 8.772 294.4
2704.0 8.823 294.2
2714.0 8.872 294.0
2724.0 8.919 293.8
2734.0 8.965 293.7
2744.0 9.010 293.5
2754.0 9.053 293.3
2764.0 9.094 293.1
2774.0 9.134 292.9
2784.0 9.172 292.7
2794.0 9.208 292.5
2804.0 9.243 292.3
2814.0 9.276 292.2
2824.0 9.308 292.0
2834.0 9.338 291.8
2844.0 9.366 291.6
2854.0 9.392 291.4
2864.0 9.417 291.3
2874.0 9.439 291.1
2884.0 9.460 290.9
2894.0 9.479 290.7
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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