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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:15:05

Orbital Elements for BU799AB
WDS: BU799AB WDS ID/Discoverer
P: 1658.838 Orbital period (years)
a: 4.64697 Semi-major axis (arcseconds)
i: 85.899 Inclination (degrees)
Ω: 94.885 Longitude of ascending node (degrees)
T: 2118.325 Epoch of periastron passage (year)
e: 0.83747 Eccentricity
ω: 247.108 Longitude of periastron (degrees)
Start-Year: 1196.0 Year
End-Year: 2854.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BU799AB
Position: 130449.78+730129.8 Epoch-2000 right ascension and declination
WDS-ID: 13048+7302 WDS designation
Discoverer Code: BU799AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 113889 HD catalog number
Hipparcos number: 63822 Hipparcos catalog number
V1: 6.60 Magnitude of the primary
V2: 8.45 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: Flags

Double Star Orbit for BU799AB



WDS 6th Orbit including measures of BU799AB

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


Ephemeris of BU799AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     1.403    267.5
-------------------------
1196.0     3.774    103.2
1206.0     3.734    103.3
1216.0     3.693    103.4
1226.0     3.651    103.6
1236.0     3.608    103.7
1246.0     3.565    103.8
1256.0     3.520    104.0
1266.0     3.475    104.1
1276.0     3.429    104.3
1286.0     3.383    104.5
1296.0     3.335    104.6
1306.0     3.287    104.8
1316.0     3.238    105.0
1326.0     3.188    105.1
1336.0     3.138    105.3
1346.0     3.087    105.5
1356.0     3.035    105.7
1366.0     2.983    105.9
1376.0     2.930    106.1
1386.0     2.876    106.3
1396.0     2.821    106.6
1406.0     2.766    106.8
1416.0     2.711    107.0
1426.0     2.655    107.3
1436.0     2.598    107.6
1446.0     2.540    107.8
1456.0     2.482    108.1
1466.0     2.424    108.4
1476.0     2.365    108.7
1486.0     2.305    109.1
1496.0     2.245    109.4
1506.0     2.184    109.8
1516.0     2.123    110.2
1526.0     2.062    110.6
1536.0     2.000    111.1
1546.0     1.937    111.5
1556.0     1.874    112.0
1566.0     1.811    112.6
1576.0     1.747    113.2
1586.0     1.684    113.8
1596.0     1.619    114.5
1606.0     1.555    115.2
1616.0     1.490    116.0
1626.0     1.425    116.8
1636.0     1.360    117.8
1646.0     1.295    118.8
1656.0     1.230    120.0
1666.0     1.165    121.2
1676.0     1.100    122.7
1686.0     1.036    124.3
1696.0     0.972    126.1
1706.0     0.909    128.2
1716.0     0.847    130.6
1726.0     0.786    133.3
1736.0     0.727    136.5
1746.0     0.670    140.3
1756.0     0.617    144.7
1766.0     0.567    149.9
1776.0     0.523    156.1
1786.0     0.486    163.4
1796.0     0.457    171.6
1806.0     0.439    180.8
1816.0     0.432    190.5
1826.0     0.438    200.3
1836.0     0.455    209.5
1846.0     0.483    217.8
1856.0     0.520    225.1
1866.0     0.564    231.4
1876.0     0.612    236.7
1886.0     0.665    241.2
1896.0     0.720    245.0
1906.0     0.778    248.3
1916.0     0.836    251.1
1926.0     0.896    253.6
1936.0     0.955    255.7
1946.0     1.014    257.6
1956.0     1.072    259.3
1966.0     1.129    260.8
1976.0     1.184    262.2
1986.0     1.237    263.4
1996.0     1.286    264.6
2006.0     1.332    265.6
2016.0     1.372    266.6
2026.0     1.406    267.6
2036.0     1.431    268.5
2046.0     1.446    269.4
2056.0     1.446    270.3
2066.0     1.426    271.1
2076.0     1.377    272.1
2086.0     1.285    273.1
2096.0     1.125    274.3
2106.0     0.853    276.2
2116.0     0.420    281.1
2126.0     0.151     72.5
2136.0     0.674     90.2
2146.0     1.119     92.6
2156.0     1.487     93.7
2166.0     1.797     94.4
2176.0     2.063     94.9
2186.0     2.295     95.3
2196.0     2.500     95.6
2206.0     2.684     95.9
2216.0     2.848     96.1
2226.0     2.997     96.3
2236.0     3.133     96.5
2246.0     3.257     96.7
2256.0     3.371     96.9
2266.0     3.475     97.0
2276.0     3.571     97.2
2286.0     3.659     97.3
2296.0     3.741     97.4
2306.0     3.816     97.6
2316.0     3.885     97.7
2326.0     3.950     97.8
2336.0     4.009     97.9
2346.0     4.063     98.0
2356.0     4.113     98.2
2366.0     4.160     98.3
2376.0     4.202     98.4
2386.0     4.240     98.5
2396.0     4.276     98.6
2406.0     4.308     98.7
2416.0     4.337     98.8
2426.0     4.363     98.9
2436.0     4.386     99.0
2446.0     4.406     99.1
2456.0     4.424     99.1
2466.0     4.440     99.2
2476.0     4.453     99.3
2486.0     4.464     99.4
2496.0     4.473     99.5
2506.0     4.479     99.6
2516.0     4.484     99.7
2526.0     4.486     99.8
2536.0     4.487     99.9
2546.0     4.486    100.0
2556.0     4.483    100.1
2566.0     4.479    100.2
2576.0     4.473    100.2
2586.0     4.465    100.3
2596.0     4.455    100.4
2606.0     4.444    100.5
2616.0     4.432    100.6
2626.0     4.418    100.7
2636.0     4.403    100.8
2646.0     4.386    100.9
2656.0     4.368    101.0
2666.0     4.349    101.1
2676.0     4.329    101.2
2686.0     4.307    101.3
2696.0     4.284    101.4
2706.0     4.260    101.5
2716.0     4.234    101.6
2726.0     4.208    101.7
2736.0     4.180    101.8
2746.0     4.152    101.9
2756.0     4.122    102.0
2766.0     4.091    102.1
2776.0     4.059    102.2
2786.0     4.026    102.3
2796.0     3.992    102.4
2806.0     3.958    102.6
2816.0     3.922    102.7
2826.0     3.885    102.8
2836.0     3.847    102.9
2846.0     3.809    103.1






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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