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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:41:08
WDS:
STF3001AB
WDS ID/Discoverer
P:
2198.724
Orbital period (years)
a:
9.52716
Semi-major axis (arcseconds)
i:
71.159
Inclination (degrees)
Ω:
137.169
Longitude of ascending node (degrees)
T:
1744.046
Epoch of periastron passage (year)
e:
0.91375
Eccentricity
ω:
289.955
Longitude of periastron (degrees)
Start-Year:
926.0
Year
End-Year:
3124.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
231837.41+680641.1
Epoch-2000 right ascension and declination
WDS-ID:
23186+6807
WDS designation
Discoverer Code:
STF3001AB
Discover designation and components
ADS number:
16666
Aitken Double Star catalog
HD number:
219916
HD catalog number
Hipparcos number:
115088
Hipparcos catalog number
V1:
4.97
Magnitude of the primary
V2:
7.28
Magnitude of the secondary
Equinox:
Equinox
Date:
2014
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 3.466 224.1
-------------------------
926.0 9.016 282.7
936.0 9.027 283.0
946.0 9.037 283.2
956.0 9.046 283.4
966.0 9.053 283.7
976.0 9.060 283.9
986.0 9.065 284.2
996.0 9.070 284.4
1006.0 9.073 284.6
1016.0 9.075 284.9
1026.0 9.075 285.1
1036.0 9.075 285.3
1046.0 9.073 285.6
1056.0 9.071 285.8
1066.0 9.066 286.1
1076.0 9.061 286.3
1086.0 9.054 286.5
1096.0 9.046 286.8
1106.0 9.037 287.0
1116.0 9.026 287.2
1126.0 9.014 287.5
1136.0 9.000 287.7
1146.0 8.985 288.0
1156.0 8.969 288.2
1166.0 8.951 288.4
1176.0 8.931 288.7
1186.0 8.910 288.9
1196.0 8.887 289.2
1206.0 8.863 289.4
1216.0 8.836 289.7
1226.0 8.809 289.9
1236.0 8.779 290.2
1246.0 8.747 290.4
1256.0 8.714 290.7
1266.0 8.679 290.9
1276.0 8.642 291.2
1286.0 8.602 291.5
1296.0 8.561 291.7
1306.0 8.518 292.0
1316.0 8.472 292.3
1326.0 8.424 292.5
1336.0 8.374 292.8
1346.0 8.321 293.1
1356.0 8.266 293.4
1366.0 8.208 293.7
1376.0 8.148 294.0
1386.0 8.085 294.3
1396.0 8.018 294.6
1406.0 7.949 294.9
1416.0 7.877 295.2
1426.0 7.802 295.5
1436.0 7.723 295.8
1446.0 7.641 296.2
1456.0 7.555 296.5
1466.0 7.465 296.8
1476.0 7.371 297.2
1486.0 7.272 297.6
1496.0 7.170 297.9
1506.0 7.062 298.3
1516.0 6.949 298.7
1526.0 6.831 299.1
1536.0 6.707 299.5
1546.0 6.577 300.0
1556.0 6.440 300.4
1566.0 6.296 300.9
1576.0 6.145 301.4
1586.0 5.984 302.0
1596.0 5.815 302.5
1606.0 5.635 303.1
1616.0 5.444 303.8
1626.0 5.240 304.4
1636.0 5.022 305.2
1646.0 4.787 306.0
1656.0 4.532 306.9
1666.0 4.255 307.9
1676.0 3.951 309.1
1686.0 3.612 310.4
1696.0 3.230 312.1
1706.0 2.789 314.2
1716.0 2.264 317.3
1726.0 1.607 322.6
1736.0 0.735 338.5
1746.0 0.552 114.1
1756.0 1.289 139.3
1766.0 1.664 148.1
1776.0 1.882 154.3
1786.0 2.027 159.4
1796.0 2.134 163.9
1806.0 2.218 168.0
1816.0 2.287 171.8
1826.0 2.348 175.5
1836.0 2.403 178.9
1846.0 2.455 182.2
1856.0 2.505 185.4
1866.0 2.554 188.4
1876.0 2.604 191.4
1886.0 2.653 194.2
1896.0 2.704 196.9
1906.0 2.756 199.5
1916.0 2.808 202.1
1926.0 2.863 204.5
1936.0 2.918 206.8
1946.0 2.975 209.1
1956.0 3.033 211.2
1966.0 3.093 213.3
1976.0 3.153 215.3
1986.0 3.215 217.2
1996.0 3.278 219.1
2006.0 3.342 220.9
2016.0 3.407 222.6
2026.0 3.473 224.2
2036.0 3.539 225.8
2046.0 3.606 227.3
2056.0 3.674 228.8
2066.0 3.743 230.2
2076.0 3.811 231.6
2086.0 3.881 232.9
2096.0 3.951 234.2
2106.0 4.021 235.4
2116.0 4.091 236.6
2126.0 4.162 237.7
2136.0 4.232 238.8
2146.0 4.303 239.9
2156.0 4.374 241.0
2166.0 4.445 242.0
2176.0 4.516 242.9
2186.0 4.587 243.9
2196.0 4.658 244.8
2206.0 4.729 245.7
2216.0 4.799 246.5
2226.0 4.870 247.4
2236.0 4.940 248.2
2246.0 5.010 249.0
2256.0 5.080 249.7
2266.0 5.150 250.5
2276.0 5.219 251.2
2286.0 5.288 251.9
2296.0 5.357 252.6
2306.0 5.425 253.3
2316.0 5.493 253.9
2326.0 5.561 254.5
2336.0 5.628 255.2
2346.0 5.695 255.8
2356.0 5.762 256.4
2366.0 5.828 257.0
2376.0 5.894 257.5
2386.0 5.959 258.1
2396.0 6.023 258.6
2406.0 6.088 259.2
2416.0 6.152 259.7
2426.0 6.215 260.2
2436.0 6.278 260.7
2446.0 6.340 261.2
2456.0 6.402 261.7
2466.0 6.463 262.1
2476.0 6.524 262.6
2486.0 6.584 263.0
2496.0 6.644 263.5
2506.0 6.703 263.9
2516.0 6.761 264.4
2526.0 6.819 264.8
2536.0 6.877 265.2
2546.0 6.933 265.6
2556.0 6.990 266.0
2566.0 7.045 266.4
2576.0 7.100 266.8
2586.0 7.155 267.2
2596.0 7.209 267.6
2606.0 7.262 267.9
2616.0 7.314 268.3
2626.0 7.366 268.7
2636.0 7.418 269.0
2646.0 7.468 269.4
2656.0 7.518 269.7
2666.0 7.568 270.1
2676.0 7.616 270.4
2686.0 7.664 270.7
2696.0 7.712 271.1
2706.0 7.758 271.4
2716.0 7.804 271.7
2726.0 7.850 272.0
2736.0 7.894 272.3
2746.0 7.938 272.6
2756.0 7.981 273.0
2766.0 8.024 273.3
2776.0 8.065 273.6
2786.0 8.106 273.9
2796.0 8.147 274.2
2806.0 8.186 274.4
2816.0 8.225 274.7
2826.0 8.263 275.0
2836.0 8.301 275.3
2846.0 8.337 275.6
2856.0 8.373 275.9
2866.0 8.408 276.1
2876.0 8.442 276.4
2886.0 8.475 276.7
2896.0 8.508 277.0
2906.0 8.540 277.2
2916.0 8.571 277.5
2926.0 8.601 277.8
2936.0 8.630 278.0
2946.0 8.659 278.3
2956.0 8.687 278.5
2966.0 8.713 278.8
2976.0 8.739 279.1
2986.0 8.764 279.3
2996.0 8.789 279.6
3006.0 8.812 279.8
3016.0 8.834 280.1
3026.0 8.856 280.3
3036.0 8.876 280.6
3046.0 8.896 280.8
3056.0 8.914 281.1
3066.0 8.932 281.3
3076.0 8.949 281.5
3086.0 8.965 281.8
3096.0 8.979 282.0
3106.0 8.993 282.3
3116.0 9.006 282.5
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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