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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:59:42
WDS:
STF2382AB
WDS ID/Discoverer
P:
1725.000
Orbital period (years)
a:
4.17
Semi-major axis (arcseconds)
i:
118.6
Inclination (degrees)
Ω:
198.0
Longitude of ascending node (degrees)
T:
190.000
Epoch of periastron passage (year)
e:
0.243
Eccentricity
ω:
198.0
Longitude of periastron (degrees)
Start-Year:
1163.0
Year
End-Year:
2887.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
184420.34+394012.4
Epoch-2000 right ascension and declination
WDS-ID:
18443+3940
WDS designation
Discoverer Code:
STF2382AB
Discover designation and components
ADS number:
11635
Aitken Double Star catalog
HD number:
173582
HD catalog number
Hipparcos number:
91919
Hipparcos catalog number
V1:
5.15
Magnitude of the primary
V2:
6.10
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2003
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 2.264 342.9
-------------------------
1163.0 4.521 181.0
1173.0 4.464 180.2
1183.0 4.404 179.3
1193.0 4.343 178.4
1203.0 4.279 177.5
1213.0 4.214 176.6
1223.0 4.146 175.6
1233.0 4.077 174.6
1243.0 4.005 173.6
1253.0 3.933 172.5
1263.0 3.858 171.4
1273.0 3.782 170.2
1283.0 3.705 169.0
1293.0 3.626 167.8
1303.0 3.547 166.5
1313.0 3.466 165.1
1323.0 3.385 163.7
1333.0 3.303 162.2
1343.0 3.220 160.6
1353.0 3.138 158.9
1363.0 3.055 157.2
1373.0 2.973 155.3
1383.0 2.892 153.3
1393.0 2.811 151.3
1403.0 2.732 149.1
1413.0 2.654 146.8
1423.0 2.579 144.3
1433.0 2.506 141.7
1443.0 2.436 138.9
1453.0 2.369 136.0
1463.0 2.306 132.9
1473.0 2.248 129.7
1483.0 2.195 126.2
1493.0 2.148 122.7
1503.0 2.107 118.9
1513.0 2.073 115.1
1523.0 2.046 111.1
1533.0 2.027 107.1
1543.0 2.015 102.9
1553.0 2.012 98.8
1563.0 2.016 94.6
1573.0 2.028 90.5
1583.0 2.048 86.4
1593.0 2.074 82.5
1603.0 2.108 78.6
1613.0 2.147 74.9
1623.0 2.191 71.3
1633.0 2.241 67.9
1643.0 2.294 64.6
1653.0 2.350 61.4
1663.0 2.409 58.5
1673.0 2.470 55.6
1683.0 2.532 52.9
1693.0 2.594 50.4
1703.0 2.656 47.9
1713.0 2.717 45.6
1723.0 2.776 43.4
1733.0 2.834 41.2
1743.0 2.889 39.2
1753.0 2.941 37.2
1763.0 2.989 35.3
1773.0 3.033 33.4
1783.0 3.073 31.6
1793.0 3.108 29.8
1803.0 3.138 28.1
1813.0 3.162 26.4
1823.0 3.180 24.7
1833.0 3.192 23.1
1843.0 3.197 21.4
1853.0 3.196 19.8
1863.0 3.188 18.1
1873.0 3.173 16.5
1883.0 3.152 14.8
1893.0 3.124 13.1
1903.0 3.089 11.3
1913.0 3.047 9.5
1923.0 3.000 7.7
1933.0 2.946 5.8
1943.0 2.887 3.8
1953.0 2.823 1.7
1963.0 2.754 359.6
1973.0 2.680 357.3
1983.0 2.604 354.9
1993.0 2.525 352.3
2003.0 2.444 349.6
2013.0 2.362 346.7
2023.0 2.280 343.5
2033.0 2.199 340.2
2043.0 2.121 336.5
2053.0 2.046 332.7
2063.0 1.976 328.5
2073.0 1.912 324.0
2083.0 1.857 319.3
2093.0 1.810 314.3
2103.0 1.774 309.0
2113.0 1.749 303.6
2123.0 1.737 298.0
2133.0 1.737 292.4
2143.0 1.751 286.9
2153.0 1.777 281.5
2163.0 1.815 276.2
2173.0 1.864 271.2
2183.0 1.924 266.5
2193.0 1.992 262.1
2203.0 2.067 258.0
2213.0 2.149 254.2
2223.0 2.236 250.7
2233.0 2.328 247.5
2243.0 2.423 244.5
2253.0 2.520 241.8
2263.0 2.620 239.2
2273.0 2.720 236.8
2283.0 2.821 234.6
2293.0 2.922 232.6
2303.0 3.023 230.7
2313.0 3.124 228.9
2323.0 3.223 227.2
2333.0 3.321 225.7
2343.0 3.418 224.2
2353.0 3.513 222.8
2363.0 3.606 221.4
2373.0 3.697 220.2
2383.0 3.785 219.0
2393.0 3.872 217.8
2403.0 3.956 216.7
2413.0 4.037 215.7
2423.0 4.116 214.7
2433.0 4.192 213.7
2443.0 4.266 212.7
2453.0 4.336 211.8
2463.0 4.404 210.9
2473.0 4.469 210.1
2483.0 4.530 209.3
2493.0 4.589 208.4
2503.0 4.645 207.7
2513.0 4.698 206.9
2523.0 4.748 206.1
2533.0 4.794 205.4
2543.0 4.838 204.7
2553.0 4.879 203.9
2563.0 4.916 203.2
2573.0 4.951 202.6
2583.0 4.982 201.9
2593.0 5.010 201.2
2603.0 5.035 200.5
2613.0 5.057 199.9
2623.0 5.076 199.2
2633.0 5.092 198.6
2643.0 5.105 197.9
2653.0 5.115 197.3
2663.0 5.121 196.6
2673.0 5.125 196.0
2683.0 5.126 195.3
2693.0 5.124 194.7
2703.0 5.118 194.0
2713.0 5.110 193.4
2723.0 5.099 192.8
2733.0 5.085 192.1
2743.0 5.069 191.5
2753.0 5.049 190.8
2763.0 5.026 190.1
2773.0 5.001 189.5
2783.0 4.973 188.8
2793.0 4.942 188.1
2803.0 4.909 187.4
2813.0 4.873 186.7
2823.0 4.834 186.0
2833.0 4.793 185.3
2843.0 4.749 184.5
2853.0 4.702 183.8
2863.0 4.653 183.0
2873.0 4.602 182.2
2883.0 4.549 181.4
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 .
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