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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:21:25

Orbital Elements for BU1197
WDS: BU1197 WDS ID/Discoverer
P: 1002.641 Orbital period (years)
a: 3.67995 Semi-major axis (arcseconds)
i: 65.141 Inclination (degrees)
Ω: 1.675 Longitude of ascending node (degrees)
T: 1879.698 Epoch of periastron passage (year)
e: 0.90039 Eccentricity
ω: 86.022 Longitude of periastron (degrees)
Start-Year: 1524.0 Year
End-Year: 2526.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BU1197
Position: 140301.73-314102.4 Epoch-2000 right ascension and declination
WDS-ID: 14030-3141 WDS designation
Discoverer Code: BU1197 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 122510 HD catalog number
Hipparcos number: 68641 Hipparcos catalog number
V1: 6.52 Magnitude of the primary
V2: 7.80 Magnitude of the secondary
Equinox: Equinox
Date: 2014 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for BU1197



WDS 6th Orbit including measures of BU1197

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


Ephemeris of BU1197
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     2.494    224.0
-------------------------
1524.0     2.789    277.8
1534.0     2.771    278.9
1544.0     2.752    280.1
1554.0     2.731    281.3
1564.0     2.711    282.5
1574.0     2.689    283.7
1584.0     2.666    284.9
1594.0     2.642    286.2
1604.0     2.618    287.5
1614.0     2.592    288.8
1624.0     2.566    290.1
1634.0     2.538    291.5
1644.0     2.509    292.9
1654.0     2.479    294.3
1664.0     2.448    295.8
1674.0     2.415    297.3
1684.0     2.381    298.8
1694.0     2.345    300.4
1704.0     2.308    302.1
1714.0     2.268    303.8
1724.0     2.227    305.5
1734.0     2.183    307.3
1744.0     2.136    309.3
1754.0     2.086    311.2
1764.0     2.033    313.3
1774.0     1.975    315.6
1784.0     1.913    317.9
1794.0     1.845    320.4
1804.0     1.770    323.1
1814.0     1.686    326.1
1824.0     1.590    329.4
1834.0     1.478    333.2
1844.0     1.343    337.7
1854.0     1.170    343.3
1864.0     0.927    351.4
1874.0     0.508      9.0
1884.0     0.392    164.2
1894.0     0.913    186.9
1904.0     1.223    194.7
1914.0     1.445    199.7
1924.0     1.620    203.5
1934.0     1.764    206.6
1944.0     1.887    209.3
1954.0     1.994    211.6
1964.0     2.088    213.7
1974.0     2.173    215.7
1984.0     2.248    217.5
1994.0     2.317    219.2
2004.0     2.380    220.8
2014.0     2.437    222.4
2024.0     2.489    223.8
2034.0     2.537    225.2
2044.0     2.582    226.6
2054.0     2.622    227.9
2064.0     2.660    229.2
2074.0     2.695    230.4
2084.0     2.727    231.6
2094.0     2.757    232.8
2104.0     2.784    234.0
2114.0     2.810    235.1
2124.0     2.833    236.2
2134.0     2.854    237.3
2144.0     2.874    238.4
2154.0     2.892    239.5
2164.0     2.908    240.6
2174.0     2.923    241.6
2184.0     2.936    242.6
2194.0     2.948    243.7
2204.0     2.959    244.7
2214.0     2.968    245.7
2224.0     2.976    246.7
2234.0     2.983    247.7
2244.0     2.989    248.7
2254.0     2.994    249.7
2264.0     2.998    250.7
2274.0     3.001    251.7
2284.0     3.002    252.7
2294.0     3.003    253.6
2304.0     3.003    254.6
2314.0     3.002    255.6
2324.0     3.000    256.6
2334.0     2.997    257.6
2344.0     2.993    258.6
2354.0     2.989    259.6
2364.0     2.984    260.6
2374.0     2.977    261.6
2384.0     2.971    262.6
2394.0     2.963    263.6
2404.0     2.954    264.6
2414.0     2.945    265.6
2424.0     2.935    266.7
2434.0     2.924    267.7
2444.0     2.913    268.7
2454.0     2.901    269.8
2464.0     2.888    270.9
2474.0     2.874    271.9
2484.0     2.860    273.0
2494.0     2.844    274.1
2504.0     2.828    275.2
2514.0     2.812    276.3
2524.0     2.794    277.5






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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