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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:15:05
WDS:
STT410AB
WDS ID/Discoverer
P:
1152.586
Orbital period (years)
a:
2.00279
Semi-major axis (arcseconds)
i:
94.48
Inclination (degrees)
Ω:
178.714
Longitude of ascending node (degrees)
T:
2087.667
Epoch of periastron passage (year)
e:
0.796
Eccentricity
ω:
254.834
Longitude of periastron (degrees)
Start-Year:
1449.0
Year
End-Year:
2601.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
203933.31+403446.8
Epoch-2000 right ascension and declination
WDS-ID:
20396+4035
WDS designation
Discoverer Code:
STT410AB
Discover designation and components
ADS number:
14126
Aitken Double Star catalog
HD number:
197018
HD catalog number
Hipparcos number:
101949
Hipparcos catalog number
V1:
6.73
Magnitude of the primary
V2:
6.83
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:
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.856 2.9
-------------------------
1449.0 1.182 165.8
1459.0 1.151 165.4
1469.0 1.119 164.9
1479.0 1.087 164.4
1489.0 1.054 163.9
1499.0 1.021 163.4
1509.0 0.987 162.8
1519.0 0.953 162.2
1529.0 0.919 161.5
1539.0 0.884 160.7
1549.0 0.849 160.0
1559.0 0.814 159.1
1569.0 0.778 158.2
1579.0 0.743 157.1
1589.0 0.707 156.0
1599.0 0.671 154.8
1609.0 0.635 153.4
1619.0 0.599 151.8
1629.0 0.564 150.1
1639.0 0.528 148.1
1649.0 0.493 145.8
1659.0 0.459 143.2
1669.0 0.426 140.2
1679.0 0.393 136.6
1689.0 0.362 132.5
1699.0 0.334 127.5
1709.0 0.307 121.8
1719.0 0.285 115.0
1729.0 0.267 107.1
1739.0 0.254 98.4
1749.0 0.247 88.9
1759.0 0.248 79.2
1769.0 0.255 69.8
1779.0 0.268 61.1
1789.0 0.287 53.4
1799.0 0.310 46.7
1809.0 0.336 41.0
1819.0 0.365 36.2
1829.0 0.396 32.1
1839.0 0.428 28.6
1849.0 0.460 25.6
1859.0 0.494 23.0
1869.0 0.527 20.7
1879.0 0.561 18.7
1889.0 0.594 16.9
1899.0 0.627 15.3
1909.0 0.659 13.9
1919.0 0.690 12.6
1929.0 0.720 11.4
1939.0 0.749 10.3
1949.0 0.776 9.3
1959.0 0.800 8.3
1969.0 0.822 7.4
1979.0 0.841 6.6
1989.0 0.856 5.7
1999.0 0.865 4.9
2009.0 0.869 4.1
2019.0 0.864 3.4
2029.0 0.849 2.6
2039.0 0.819 1.7
2049.0 0.768 0.8
2059.0 0.687 359.7
2069.0 0.558 358.1
2079.0 0.355 355.2
2089.0 0.072 332.8
2099.0 0.248 186.0
2109.0 0.510 181.5
2119.0 0.717 179.9
2129.0 0.882 178.9
2139.0 1.015 178.3
2149.0 1.126 177.8
2159.0 1.220 177.3
2169.0 1.299 177.0
2179.0 1.367 176.6
2189.0 1.425 176.3
2199.0 1.475 176.0
2209.0 1.519 175.8
2219.0 1.556 175.5
2229.0 1.588 175.3
2239.0 1.615 175.1
2249.0 1.638 174.8
2259.0 1.657 174.6
2269.0 1.672 174.4
2279.0 1.684 174.2
2289.0 1.694 174.0
2299.0 1.700 173.8
2309.0 1.705 173.6
2319.0 1.706 173.4
2329.0 1.706 173.2
2339.0 1.704 173.0
2349.0 1.700 172.8
2359.0 1.694 172.6
2369.0 1.686 172.3
2379.0 1.676 172.1
2389.0 1.666 171.9
2399.0 1.653 171.7
2409.0 1.640 171.5
2419.0 1.625 171.3
2429.0 1.609 171.0
2439.0 1.591 170.8
2449.0 1.573 170.6
2459.0 1.553 170.3
2469.0 1.533 170.1
2479.0 1.511 169.8
2489.0 1.489 169.6
2499.0 1.466 169.3
2509.0 1.441 169.0
2519.0 1.416 168.7
2529.0 1.391 168.4
2539.0 1.364 168.1
2549.0 1.337 167.8
2559.0 1.309 167.4
2569.0 1.280 167.1
2579.0 1.251 166.7
2589.0 1.221 166.3
2599.0 1.190 165.9
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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