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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:25:49

Orbital Elements for BU807
WDS: BU807 WDS ID/Discoverer
P: 1007.426 Orbital period (years)
a: 3.10723 Semi-major axis (arcseconds)
i: 84.383 Inclination (degrees)
Ω: 52.516 Longitude of ascending node (degrees)
T: 1838.141 Epoch of periastron passage (year)
e: 0.7924 Eccentricity
ω: 113.913 Longitude of periastron (degrees)
Start-Year: 1522.0 Year
End-Year: 2528.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BU807
Position: 144257.77-064819.4 Epoch-2000 right ascension and declination
WDS-ID: 14430-0648 WDS designation
Discoverer Code: BU807 Discover designation and components
ADS number: 9354 Aitken Double Star catalog
HD number: 129482 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.91 Magnitude of the primary
V2: 9.56 Magnitude of the secondary
Equinox: Equinox
Date: 2000 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for BU807



WDS 6th Orbit including measures of BU807

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


Ephemeris of BU807
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.439    293.5
-------------------------
1522.0     3.089     45.3
1532.0     3.108     45.5
1542.0     3.124     45.7
1552.0     3.137     45.9
1562.0     3.147     46.1
1572.0     3.154     46.3
1582.0     3.157     46.5
1592.0     3.156     46.7
1602.0     3.151     46.9
1612.0     3.143     47.1
1622.0     3.129     47.3
1632.0     3.111     47.6
1642.0     3.088     47.8
1652.0     3.060     48.0
1662.0     3.025     48.2
1672.0     2.985     48.4
1682.0     2.937     48.7
1692.0     2.882     48.9
1702.0     2.818     49.2
1712.0     2.745     49.4
1722.0     2.662     49.7
1732.0     2.567     50.0
1742.0     2.458     50.3
1752.0     2.334     50.7
1762.0     2.191     51.1
1772.0     2.026     51.6
1782.0     1.833     52.1
1792.0     1.606     52.8
1802.0     1.334     53.8
1812.0     1.002     55.3
1822.0     0.586     58.7
1832.0     0.097     95.9
1842.0     0.454    226.5
1852.0     0.816    231.8
1862.0     1.012    234.3
1872.0     1.108    236.1
1882.0     1.146    237.7
1892.0     1.148    239.3
1902.0     1.127    240.8
1912.0     1.090    242.5
1922.0     1.043    244.3
1932.0     0.988    246.3
1942.0     0.928    248.6
1952.0     0.864    251.1
1962.0     0.798    254.1
1972.0     0.732    257.6
1982.0     0.666    261.9
1992.0     0.603    267.0
2002.0     0.544    273.3
2012.0     0.492    281.0
2022.0     0.450    290.4
2032.0     0.421    301.3
2042.0     0.408    313.4
2052.0     0.414    325.7
2062.0     0.437    337.2
2072.0     0.475    347.1
2082.0     0.524    355.4
2092.0     0.582      2.2
2102.0     0.645      7.7
2112.0     0.713     12.2
2122.0     0.784     15.9
2132.0     0.856     18.9
2142.0     0.930     21.5
2152.0     1.004     23.7
2162.0     1.079     25.6
2172.0     1.154     27.3
2182.0     1.228     28.8
2192.0     1.303     30.0
2202.0     1.377     31.2
2212.0     1.450     32.2
2222.0     1.522     33.2
2232.0     1.594     34.0
2242.0     1.665     34.8
2252.0     1.735     35.5
2262.0     1.804     36.1
2272.0     1.872     36.8
2282.0     1.938     37.3
2292.0     2.004     37.9
2302.0     2.068     38.4
2312.0     2.132     38.8
2322.0     2.193     39.3
2332.0     2.254     39.7
2342.0     2.313     40.1
2352.0     2.370     40.4
2362.0     2.426     40.8
2372.0     2.481     41.1
2382.0     2.534     41.5
2392.0     2.585     41.8
2402.0     2.634     42.1
2412.0     2.682     42.4
2422.0     2.728     42.7
2432.0     2.772     42.9
2442.0     2.814     43.2
2452.0     2.855     43.5
2462.0     2.893     43.7
2472.0     2.928     44.0
2482.0     2.962     44.2
2492.0     2.993     44.4
2502.0     3.022     44.7
2512.0     3.049     44.9
2522.0     3.073     45.1






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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