Double Star Calculator - Orbit

Orbital Elements for BU1008
WDS: BU1008 WDS ID/Discoverer
P: 1031.163 Orbital period (years)
a: 5.10959 Semi-major axis (arcseconds)
i: 96.646 Inclination (degrees)
Ω: 65.006 Longitude of ascending node (degrees)
T: 2078.132 Epoch of periastron passage (year)
e: 0.84952 Eccentricity
ω: 253.622 Longitude of periastron (degrees)
Start-Year: 1509.4184 Year
End-Year: 2540.5816 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for BU1008
Position: 061452.69+223024.6 Epoch-2000 right ascension and declination
WDS-ID: 06149+2230 WDS designation
Discoverer Code: BU1008 Discover designation and components
ADS number: 4841 Aitken Double Star catalog
HD number: 42995 HD catalog number
Hipparcos number: 29655 Hipparcos catalog number
V1: 3.52 Magnitude of the primary
V2: 6.15 Magnitude of the secondary
Equinox: Equinox
Date: 2012 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Izm2019 Reference

Double Star Orbit for BU1008



WDS 6th Orbit including measures of BU1008

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


Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of BU1008
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.758   254.08
--------------------------
1509.42    3.260    46.67
1519.42    3.188    46.14
1529.42    3.116    45.58
1539.42    3.041    44.99
1549.42    2.965    44.37
1559.42    2.888    43.72
1569.42    2.810    43.04
1579.42    2.730    42.31
1589.42    2.649    41.54
1599.42    2.568    40.72
1609.42    2.485    39.85
1619.42    2.401    38.92
1629.42    2.317    37.92
1639.42    2.231    36.84
1649.42    2.146    35.68
1659.42    2.060    34.42
1669.42    1.974    33.05
1679.42    1.887    31.56
1689.42    1.801    29.92
1699.42    1.716    28.12
1709.42    1.631    26.13
1719.42    1.547    23.92
1729.42    1.464    21.46
1739.42    1.384    18.72
1749.42    1.306    15.64
1759.42    1.231    12.17
1769.42    1.160     8.27
1779.42    1.095     3.89
1789.42    1.035   358.97
1799.42    0.984   353.50
1809.42    0.941   347.48
1819.42    0.909   340.96
1829.42    0.888   334.04
1839.42    0.879   326.90
1849.42    0.884   319.72
1859.42    0.901   312.72
1869.42    0.930   306.06
1879.42    0.969   299.87
1889.42    1.017   294.21
1899.42    1.072   289.09
1909.42    1.133   284.51
1919.42    1.198   280.41
1929.42    1.266   276.74
1939.42    1.336   273.45
1949.42    1.406   270.48
1959.42    1.474   267.80
1969.42    1.541   265.35
1979.42    1.603   263.10
1989.42    1.659   261.00
1999.42    1.706   259.04
2009.42    1.741   257.17
2019.42    1.760   255.35
2029.42    1.753   253.56
2039.42    1.711   251.71
2049.42    1.608   249.70
2059.42    1.398   247.26
2069.42    0.961   243.31
2079.42    0.120   197.08
2089.42    0.902    69.78
2099.42    1.586    66.02
2109.42    2.076    64.35
2119.42    2.451    63.27
2129.42    2.751    62.44
2139.42    2.997    61.77
2149.42    3.202    61.19
2159.42    3.377    60.68
2169.42    3.526    60.21
2179.42    3.653    59.78
2189.42    3.762    59.38
2199.42    3.856    58.99
2209.42    3.937    58.63
2219.42    4.005    58.27
2229.42    4.063    57.93
2239.42    4.111    57.60
2249.42    4.150    57.27
2259.42    4.182    56.95
2269.42    4.206    56.64
2279.42    4.223    56.32
2289.42    4.235    56.01
2299.42    4.240    55.70
2309.42    4.240    55.39
2319.42    4.235    55.08
2329.42    4.226    54.77
2339.42    4.211    54.46
2349.42    4.193    54.14
2359.42    4.171    53.82
2369.42    4.145    53.50
2379.42    4.115    53.18
2389.42    4.082    52.85
2399.42    4.046    52.51
2409.42    4.006    52.17
2419.42    3.964    51.81
2429.42    3.919    51.46
2439.42    3.871    51.09
2449.42    3.821    50.71
2459.42    3.768    50.33
2469.42    3.713    49.93
2479.42    3.655    49.52
2489.42    3.596    49.10
2499.42    3.534    48.66
2509.42    3.470    48.20
2519.42    3.404    47.73
2529.42    3.337    47.24
2539.42    3.268    46.73






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 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.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 15:45:01



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