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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:22:31
WDS:
STF1821AB
WDS ID/Discoverer
P:
10141.555
Orbital period (years)
a:
30.24041
Semi-major axis (arcseconds)
i:
93.267
Inclination (degrees)
Ω:
51.244
Longitude of ascending node (degrees)
T:
2902.040
Epoch of periastron passage (year)
e:
0.68651
Eccentricity
ω:
242.039
Longitude of periastron (degrees)
Start-Year:
-3045.0
Year
End-Year:
7095.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
141329.00+514723.8
Epoch-2000 right ascension and declination
WDS-ID:
14135+5147
WDS designation
Discoverer Code:
STF1821AB
Discover designation and components
ADS number:
9173
Aitken Double Star catalog
HD number:
124675
HD catalog number
Hipparcos number:
69483
Hipparcos catalog number
V1:
4.53
Magnitude of the primary
V2:
6.62
Magnitude of the secondary
Equinox:
Equinox
Date:
2015
Date of last observation
Orbit grade:
5
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 13.676 235.5
-------------------------
-3045.0 29.451 46.8
-2945.0 28.922 46.6
-2845.0 28.369 46.4
-2745.0 27.792 46.3
-2645.0 27.193 46.1
-2545.0 26.572 45.9
-2445.0 25.929 45.7
-2345.0 25.267 45.5
-2245.0 24.584 45.3
-2145.0 23.882 45.1
-2045.0 23.161 44.8
-1945.0 22.422 44.6
-1845.0 21.666 44.3
-1745.0 20.892 44.0
-1645.0 20.103 43.7
-1545.0 19.297 43.3
-1445.0 18.476 42.9
-1345.0 17.641 42.5
-1245.0 16.792 42.1
-1145.0 15.929 41.6
-1045.0 15.054 41.0
-945.0 14.168 40.4
-845.0 13.270 39.7
-745.0 12.362 38.8
-645.0 11.446 37.9
-545.0 10.522 36.8
-445.0 9.592 35.4
-345.0 8.658 33.8
-245.0 7.724 31.8
-145.0 6.793 29.2
-45.0 5.873 25.9
55.0 4.973 21.3
155.0 4.113 14.7
255.0 3.330 4.8
355.0 2.696 349.6
455.0 2.343 327.8
555.0 2.398 303.1
655.0 2.837 283.0
755.0 3.518 269.4
855.0 4.323 260.5
955.0 5.190 254.5
1055.0 6.085 250.2
1155.0 6.991 247.0
1255.0 7.895 244.6
1355.0 8.786 242.7
1455.0 9.656 241.1
1555.0 10.496 239.8
1655.0 11.296 238.6
1755.0 12.044 237.6
1855.0 12.725 236.8
1955.0 13.321 236.0
2055.0 13.809 235.2
2155.0 14.156 234.6
2255.0 14.320 233.9
2355.0 14.241 233.2
2455.0 13.835 232.6
2555.0 12.984 231.8
2655.0 11.530 230.9
2755.0 9.299 229.7
2855.0 6.195 227.4
2955.0 2.406 218.5
3055.0 1.865 69.4
3155.0 5.772 57.0
3255.0 9.361 54.5
3355.0 12.539 53.4
3455.0 15.327 52.7
3555.0 17.773 52.2
3655.0 19.922 51.8
3755.0 21.816 51.5
3855.0 23.490 51.3
3955.0 24.971 51.0
4055.0 26.283 50.8
4155.0 27.445 50.6
4255.0 28.473 50.5
4355.0 29.381 50.3
4455.0 30.180 50.2
4555.0 30.879 50.0
4655.0 31.487 49.9
4755.0 32.012 49.7
4855.0 32.459 49.6
4955.0 32.834 49.5
5055.0 33.142 49.4
5155.0 33.387 49.2
5255.0 33.573 49.1
5355.0 33.704 49.0
5455.0 33.783 48.9
5555.0 33.812 48.8
5655.0 33.795 48.6
5755.0 33.733 48.5
5855.0 33.628 48.4
5955.0 33.484 48.3
6055.0 33.301 48.2
6155.0 33.080 48.0
6255.0 32.825 47.9
6355.0 32.536 47.8
6455.0 32.214 47.7
6555.0 31.861 47.5
6655.0 31.477 47.4
6755.0 31.065 47.3
6855.0 30.625 47.1
6955.0 30.157 47.0
7055.0 29.663 46.8
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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