Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:26:15

Orbital Elements for STF1884
WDS: STF1884 WDS ID/Discoverer
P: 1398.286 Orbital period (years)
a: 5.26161 Semi-major axis (arcseconds)
i: 90.622 Inclination (degrees)
Ω: 53.561 Longitude of ascending node (degrees)
T: 2111.218 Epoch of periastron passage (year)
e: 0.81519 Eccentricity
ω: 75.386 Longitude of periastron (degrees)
Start-Year: 1326.0 Year
End-Year: 2724.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STF1884
Position: 144823.37+242201.0 Epoch-2000 right ascension and declination
WDS-ID: 14484+2422 WDS designation
Discoverer Code: STF1884 Discover designation and components
ADS number: 9389 Aitken Double Star catalog
HD number: 130603 HD catalog number
Hipparcos number: 72412 Hipparcos catalog number
V1: 6.58 Magnitude of the primary
V2: 7.48 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

Double Star Orbit for STF1884



WDS 6th Orbit including measures of STF1884

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of STF1884
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     2.151     54.3
-------------------------
1326.0     3.007    231.7
1336.0     2.941    231.7
1346.0     2.875    231.6
1356.0     2.807    231.5
1366.0     2.739    231.5
1376.0     2.669    231.4
1386.0     2.599    231.4
1396.0     2.528    231.3
1406.0     2.456    231.2
1416.0     2.383    231.1
1426.0     2.309    231.1
1436.0     2.235    231.0
1446.0     2.160    230.9
1456.0     2.084    230.8
1466.0     2.007    230.7
1476.0     1.930    230.6
1486.0     1.852    230.4
1496.0     1.774    230.3
1506.0     1.695    230.2
1516.0     1.615    230.0
1526.0     1.534    229.8
1536.0     1.454    229.6
1546.0     1.372    229.4
1556.0     1.290    229.1
1566.0     1.208    228.8
1576.0     1.126    228.5
1586.0     1.043    228.1
1596.0     0.959    227.7
1606.0     0.875    227.1
1616.0     0.791    226.5
1626.0     0.707    225.7
1636.0     0.623    224.7
1646.0     0.539    223.3
1656.0     0.455    221.5
1666.0     0.371    218.9
1676.0     0.288    214.7
1686.0     0.209    207.2
1696.0     0.136    191.2
1706.0     0.092    152.6
1716.0     0.115    105.0
1726.0     0.181     83.0
1736.0     0.259     73.4
1746.0     0.341     68.3
1756.0     0.424     65.2
1766.0     0.508     63.1
1776.0     0.592     61.7
1786.0     0.676     60.5
1796.0     0.760     59.7
1806.0     0.843     59.0
1816.0     0.926     58.4
1826.0     1.008     57.9
1836.0     1.089     57.5
1846.0     1.170     57.2
1856.0     1.249     56.8
1866.0     1.327     56.6
1876.0     1.404     56.3
1886.0     1.480     56.1
1896.0     1.553     55.9
1906.0     1.625     55.7
1916.0     1.694     55.6
1926.0     1.761     55.4
1936.0     1.824     55.3
1946.0     1.885     55.2
1956.0     1.941     55.0
1966.0     1.993     54.9
1976.0     2.039     54.8
1986.0     2.080     54.7
1996.0     2.113     54.6
2006.0     2.137     54.5
2016.0     2.150     54.4
2026.0     2.150     54.3
2036.0     2.134     54.2
2046.0     2.096     54.1
2056.0     2.030     54.0
2066.0     1.926     53.9
2076.0     1.766     53.8
2086.0     1.524     53.6
2096.0     1.155     53.4
2106.0     0.604     52.7
2116.0     0.103    239.6
2126.0     0.790    234.3
2136.0     1.356    233.9
2146.0     1.807    233.7
2156.0     2.172    233.6
2166.0     2.475    233.5
2176.0     2.731    233.4
2186.0     2.949    233.4
2196.0     3.138    233.3
2206.0     3.302    233.3
2216.0     3.446    233.2
2226.0     3.572    233.2
2236.0     3.683    233.2
2246.0     3.781    233.1
2256.0     3.868    233.1
2266.0     3.944    233.1
2276.0     4.011    233.0
2286.0     4.069    233.0
2296.0     4.120    233.0
2306.0     4.163    233.0
2316.0     4.201    232.9
2326.0     4.232    232.9
2336.0     4.258    232.9
2346.0     4.279    232.9
2356.0     4.294    232.8
2366.0     4.306    232.8
2376.0     4.313    232.8
2386.0     4.316    232.8
2396.0     4.316    232.7
2406.0     4.312    232.7
2416.0     4.304    232.7
2426.0     4.294    232.7
2436.0     4.280    232.7
2446.0     4.264    232.6
2456.0     4.244    232.6
2466.0     4.223    232.6
2476.0     4.198    232.6
2486.0     4.171    232.5
2496.0     4.142    232.5
2506.0     4.111    232.5
2516.0     4.078    232.4
2526.0     4.042    232.4
2536.0     4.005    232.4
2546.0     3.965    232.4
2556.0     3.924    232.3
2566.0     3.881    232.3
2576.0     3.837    232.3
2586.0     3.790    232.2
2596.0     3.742    232.2
2606.0     3.693    232.2
2616.0     3.642    232.1
2626.0     3.590    232.1
2636.0     3.536    232.1
2646.0     3.481    232.0
2656.0     3.424    232.0
2666.0     3.367    232.0
2676.0     3.308    231.9
2686.0     3.248    231.9
2696.0     3.186    231.8
2706.0     3.124    231.8
2716.0     3.060    231.7






Disclaimer
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.


Acknowledgements
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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