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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:57:22
WDS:
STF2323AB
WDS ID/Discoverer
P:
2455.604
Orbital period (years)
a:
6.35553
Semi-major axis (arcseconds)
i:
104.723
Inclination (degrees)
Ω:
11.629
Longitude of ascending node (degrees)
T:
1687.223
Epoch of periastron passage (year)
e:
0.81391
Eccentricity
ω:
272.145
Longitude of periastron (degrees)
Start-Year:
798.0
Year
End-Year:
3252.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
182354.65+584802.1
Epoch-2000 right ascension and declination
WDS-ID:
18239+5848
WDS designation
Discoverer Code:
STF2323AB
Discover designation and components
ADS number:
11336
Aitken Double Star catalog
HD number:
170073
HD catalog number
Hipparcos number:
90156
Hipparcos catalog number
V1:
5.06
Magnitude of the primary
V2:
8.07
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 3.770 347.9
-------------------------
798.0 3.457 243.6
808.0 3.477 242.9
818.0 3.496 242.2
828.0 3.516 241.5
838.0 3.536 240.8
848.0 3.556 240.1
858.0 3.576 239.4
868.0 3.596 238.7
878.0 3.616 238.0
888.0 3.637 237.4
898.0 3.657 236.7
908.0 3.677 236.1
918.0 3.696 235.4
928.0 3.716 234.8
938.0 3.736 234.2
948.0 3.756 233.5
958.0 3.775 232.9
968.0 3.794 232.3
978.0 3.813 231.7
988.0 3.832 231.1
998.0 3.851 230.5
1008.0 3.869 229.9
1018.0 3.887 229.3
1028.0 3.905 228.8
1038.0 3.923 228.2
1048.0 3.940 227.6
1058.0 3.957 227.1
1068.0 3.973 226.5
1078.0 3.989 226.0
1088.0 4.005 225.4
1098.0 4.020 224.9
1108.0 4.035 224.3
1118.0 4.049 223.8
1128.0 4.063 223.3
1138.0 4.076 222.7
1148.0 4.088 222.2
1158.0 4.100 221.7
1168.0 4.111 221.2
1178.0 4.122 220.7
1188.0 4.132 220.1
1198.0 4.141 219.6
1208.0 4.149 219.1
1218.0 4.156 218.6
1228.0 4.163 218.1
1238.0 4.168 217.6
1248.0 4.173 217.1
1258.0 4.176 216.6
1268.0 4.178 216.1
1278.0 4.180 215.6
1288.0 4.180 215.1
1298.0 4.178 214.6
1308.0 4.176 214.1
1318.0 4.171 213.6
1328.0 4.166 213.1
1338.0 4.159 212.6
1348.0 4.150 212.1
1358.0 4.139 211.6
1368.0 4.126 211.1
1378.0 4.112 210.6
1388.0 4.095 210.0
1398.0 4.076 209.5
1408.0 4.054 209.0
1418.0 4.030 208.4
1428.0 4.003 207.9
1438.0 3.973 207.4
1448.0 3.940 206.8
1458.0 3.904 206.2
1468.0 3.863 205.6
1478.0 3.819 205.1
1488.0 3.770 204.4
1498.0 3.716 203.8
1508.0 3.657 203.2
1518.0 3.592 202.5
1528.0 3.521 201.8
1538.0 3.442 201.1
1548.0 3.356 200.3
1558.0 3.260 199.5
1568.0 3.154 198.7
1578.0 3.036 197.8
1588.0 2.904 196.8
1598.0 2.756 195.7
1608.0 2.590 194.5
1618.0 2.401 193.1
1628.0 2.185 191.4
1638.0 1.936 189.3
1648.0 1.646 186.6
1658.0 1.309 182.6
1668.0 0.922 175.4
1678.0 0.511 156.8
1688.0 0.311 86.0
1698.0 0.642 37.3
1708.0 1.050 24.4
1718.0 1.415 18.6
1728.0 1.726 15.0
1738.0 1.990 12.5
1748.0 2.214 10.5
1758.0 2.406 8.8
1768.0 2.572 7.4
1778.0 2.717 6.2
1788.0 2.844 5.0
1798.0 2.955 4.0
1808.0 3.054 3.0
1818.0 3.142 2.1
1828.0 3.221 1.3
1838.0 3.290 0.4
1848.0 3.353 359.6
1858.0 3.409 358.9
1868.0 3.459 358.1
1878.0 3.503 357.4
1888.0 3.543 356.7
1898.0 3.578 356.0
1908.0 3.610 355.3
1918.0 3.637 354.7
1928.0 3.662 354.0
1938.0 3.683 353.4
1948.0 3.702 352.7
1958.0 3.718 352.1
1968.0 3.731 351.5
1978.0 3.743 350.8
1988.0 3.752 350.2
1998.0 3.759 349.6
2008.0 3.765 349.0
2018.0 3.768 348.4
2028.0 3.770 347.8
2038.0 3.771 347.1
2048.0 3.770 346.5
2058.0 3.768 345.9
2068.0 3.765 345.3
2078.0 3.761 344.7
2088.0 3.756 344.1
2098.0 3.749 343.4
2108.0 3.742 342.8
2118.0 3.734 342.2
2128.0 3.725 341.6
2138.0 3.715 340.9
2148.0 3.705 340.3
2158.0 3.693 339.7
2168.0 3.682 339.0
2178.0 3.669 338.4
2188.0 3.657 337.7
2198.0 3.643 337.1
2208.0 3.629 336.4
2218.0 3.615 335.7
2228.0 3.601 335.1
2238.0 3.586 334.4
2248.0 3.570 333.7
2258.0 3.555 333.0
2268.0 3.539 332.3
2278.0 3.523 331.6
2288.0 3.506 330.9
2298.0 3.490 330.2
2308.0 3.473 329.5
2318.0 3.457 328.7
2328.0 3.440 328.0
2338.0 3.423 327.3
2348.0 3.406 326.5
2358.0 3.389 325.8
2368.0 3.372 325.0
2378.0 3.355 324.2
2388.0 3.339 323.4
2398.0 3.322 322.6
2408.0 3.305 321.8
2418.0 3.289 321.0
2428.0 3.272 320.2
2438.0 3.256 319.4
2448.0 3.240 318.6
2458.0 3.224 317.7
2468.0 3.208 316.9
2478.0 3.193 316.0
2488.0 3.177 315.2
2498.0 3.163 314.3
2508.0 3.148 313.4
2518.0 3.134 312.5
2528.0 3.120 311.7
2538.0 3.106 310.8
2548.0 3.093 309.8
2558.0 3.080 308.9
2568.0 3.067 308.0
2578.0 3.055 307.1
2588.0 3.043 306.1
2598.0 3.032 305.2
2608.0 3.021 304.2
2618.0 3.011 303.3
2628.0 3.001 302.3
2638.0 2.992 301.3
2648.0 2.983 300.3
2658.0 2.975 299.4
2668.0 2.967 298.4
2678.0 2.959 297.4
2688.0 2.953 296.4
2698.0 2.947 295.4
2708.0 2.941 294.4
2718.0 2.936 293.3
2728.0 2.932 292.3
2738.0 2.928 291.3
2748.0 2.924 290.3
2758.0 2.922 289.3
2768.0 2.920 288.2
2778.0 2.918 287.2
2788.0 2.917 286.2
2798.0 2.917 285.2
2808.0 2.917 284.1
2818.0 2.918 283.1
2828.0 2.920 282.1
2838.0 2.922 281.0
2848.0 2.925 280.0
2858.0 2.929 279.0
2868.0 2.933 278.0
2878.0 2.937 277.0
2888.0 2.942 276.0
2898.0 2.948 275.0
2908.0 2.955 273.9
2918.0 2.962 272.9
2928.0 2.969 272.0
2938.0 2.977 271.0
2948.0 2.986 270.0
2958.0 2.995 269.0
2968.0 3.005 268.0
2978.0 3.015 267.1
2988.0 3.026 266.1
2998.0 3.037 265.2
3008.0 3.049 264.2
3018.0 3.061 263.3
3028.0 3.074 262.3
3038.0 3.087 261.4
3048.0 3.101 260.5
3058.0 3.115 259.6
3068.0 3.130 258.7
3078.0 3.145 257.8
3088.0 3.160 256.9
3098.0 3.176 256.1
3108.0 3.192 255.2
3118.0 3.208 254.4
3128.0 3.225 253.5
3138.0 3.242 252.7
3148.0 3.259 251.8
3158.0 3.277 251.0
3168.0 3.295 250.2
3178.0 3.313 249.4
3188.0 3.331 248.6
3198.0 3.350 247.8
3208.0 3.369 247.1
3218.0 3.388 246.3
3228.0 3.407 245.5
3238.0 3.426 244.8
3248.0 3.446 244.1
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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