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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:51:53
WDS:
STT338AB
WDS ID/Discoverer
P:
1276.600
Orbital period (years)
a:
1.14
Semi-major axis (arcseconds)
i:
124.2
Inclination (degrees)
Ω:
28.2
Longitude of ascending node (degrees)
T:
1799.900
Epoch of periastron passage (year)
e:
0.582
Eccentricity
ω:
111.1
Longitude of periastron (degrees)
Start-Year:
1387.0
Year
End-Year:
2663.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
175158.46+151934.9
Epoch-2000 right ascension and declination
WDS-ID:
17520+1520
WDS designation
Discoverer Code:
STT338AB
Discover designation and components
ADS number:
10850
Aitken Double Star catalog
HD number:
162734
HD catalog number
Hipparcos number:
87427
Hipparcos catalog number
V1:
7.21
Magnitude of the primary
V2:
7.38
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2010
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 0.832 161.7
-------------------------
1387.0 1.305 59.2
1397.0 1.306 58.2
1407.0 1.307 57.2
1417.0 1.307 56.2
1427.0 1.306 55.2
1437.0 1.304 54.3
1447.0 1.301 53.3
1457.0 1.298 52.3
1467.0 1.293 51.3
1477.0 1.288 50.3
1487.0 1.281 49.3
1497.0 1.273 48.2
1507.0 1.264 47.2
1517.0 1.254 46.1
1527.0 1.243 45.1
1537.0 1.230 44.0
1547.0 1.216 42.8
1557.0 1.200 41.7
1567.0 1.183 40.5
1577.0 1.164 39.3
1587.0 1.143 38.0
1597.0 1.120 36.7
1607.0 1.095 35.4
1617.0 1.068 33.9
1627.0 1.039 32.4
1637.0 1.007 30.8
1647.0 0.972 29.1
1657.0 0.935 27.3
1667.0 0.894 25.3
1677.0 0.851 23.1
1687.0 0.803 20.6
1697.0 0.753 17.9
1707.0 0.698 14.7
1717.0 0.640 10.9
1727.0 0.578 6.4
1737.0 0.514 0.8
1747.0 0.448 353.5
1757.0 0.384 343.7
1767.0 0.327 330.3
1777.0 0.287 312.2
1787.0 0.274 290.5
1797.0 0.293 269.2
1807.0 0.336 252.0
1817.0 0.390 239.2
1827.0 0.448 229.6
1837.0 0.503 222.2
1847.0 0.553 216.2
1857.0 0.598 211.1
1867.0 0.636 206.7
1877.0 0.669 202.8
1887.0 0.697 199.2
1897.0 0.720 195.9
1907.0 0.740 192.7
1917.0 0.757 189.7
1927.0 0.771 186.9
1937.0 0.783 184.1
1947.0 0.792 181.4
1957.0 0.800 178.7
1967.0 0.807 176.2
1977.0 0.813 173.6
1987.0 0.818 171.1
1997.0 0.822 168.6
2007.0 0.826 166.1
2017.0 0.829 163.7
2027.0 0.833 161.3
2037.0 0.835 158.9
2047.0 0.838 156.5
2057.0 0.841 154.1
2067.0 0.844 151.7
2077.0 0.847 149.4
2087.0 0.851 147.1
2097.0 0.854 144.8
2107.0 0.858 142.5
2117.0 0.862 140.2
2127.0 0.867 138.0
2137.0 0.872 135.7
2147.0 0.877 133.5
2157.0 0.882 131.4
2167.0 0.888 129.2
2177.0 0.895 127.1
2187.0 0.901 125.1
2197.0 0.908 123.0
2207.0 0.916 121.0
2217.0 0.924 119.0
2227.0 0.932 117.1
2237.0 0.940 115.2
2247.0 0.949 113.3
2257.0 0.958 111.4
2267.0 0.968 109.6
2277.0 0.977 107.9
2287.0 0.987 106.1
2297.0 0.997 104.4
2307.0 1.007 102.8
2317.0 1.018 101.1
2327.0 1.028 99.5
2337.0 1.039 98.0
2347.0 1.049 96.4
2357.0 1.060 94.9
2367.0 1.071 93.4
2377.0 1.082 92.0
2387.0 1.093 90.6
2397.0 1.103 89.2
2407.0 1.114 87.8
2417.0 1.125 86.5
2427.0 1.135 85.2
2437.0 1.146 83.9
2447.0 1.156 82.6
2457.0 1.166 81.4
2467.0 1.177 80.2
2477.0 1.186 79.0
2487.0 1.196 77.8
2497.0 1.205 76.6
2507.0 1.214 75.5
2517.0 1.223 74.3
2527.0 1.232 73.2
2537.0 1.240 72.1
2547.0 1.248 71.1
2557.0 1.255 70.0
2567.0 1.262 68.9
2577.0 1.269 67.9
2587.0 1.275 66.8
2597.0 1.281 65.8
2607.0 1.286 64.8
2617.0 1.291 63.8
2627.0 1.295 62.8
2637.0 1.299 61.8
2647.0 1.302 60.8
2657.0 1.304 59.8
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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