Double Star Calculator - Orbit

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: 1523.67945 Year
End-Year: 2526.32055 Year
Epoch: 2026.5 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
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Izm2019 Reference

Double Star Orbit for BU1197



WDS 6th Orbit including measures of BU1197

-- 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 BU1197
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    2.501   224.20
--------------------------
1523.68    2.790   277.72
1533.68    2.771   278.87
1543.68    2.752   280.04
1553.68    2.732   281.22
1563.68    2.711   282.42
1573.68    2.689   283.64
1583.68    2.667   284.88
1593.68    2.643   286.14
1603.68    2.619   287.43
1613.68    2.593   288.74
1623.68    2.567   290.07
1633.68    2.539   291.44
1643.68    2.510   292.83
1653.68    2.480   294.26
1663.68    2.449   295.72
1673.68    2.416   297.23
1683.68    2.382   298.77
1693.68    2.346   300.36
1703.68    2.309   302.00
1713.68    2.270   303.70
1723.68    2.228   305.46
1733.68    2.184   307.29
1743.68    2.137   309.19
1753.68    2.088   311.18
1763.68    2.035   313.28
1773.68    1.977   315.49
1783.68    1.915   317.83
1793.68    1.848   320.34
1803.68    1.773   323.06
1813.68    1.689   326.03
1823.68    1.593   329.33
1833.68    1.482   333.08
1843.68    1.348   337.52
1853.68    1.177   343.09
1863.68    0.937   351.04
1873.68    0.527     7.91
1883.68    0.369   162.20
1893.68    0.901   186.54
1903.68    1.215   194.51
1913.68    1.439   199.56
1923.68    1.615   203.37
1933.68    1.760   206.49
1943.68    1.883   209.17
1953.68    1.991   211.54
1963.68    2.086   213.68
1973.68    2.170   215.64
1983.68    2.246   217.47
1993.68    2.315   219.18
2003.68    2.378   220.79
2013.68    2.435   222.33
2023.68    2.487   223.79
2033.68    2.536   225.20
2043.68    2.580   226.56
2053.68    2.621   227.88
2063.68    2.659   229.15
2073.68    2.694   230.39
2083.68    2.726   231.61
2093.68    2.756   232.79
2103.68    2.783   233.95
2113.68    2.809   235.09
2123.68    2.832   236.20
2133.68    2.853   237.30
2143.68    2.873   238.39
2153.68    2.891   239.46
2163.68    2.907   240.52
2173.68    2.922   241.56
2183.68    2.936   242.60
2193.68    2.948   243.63
2203.68    2.958   244.65
2213.68    2.968   245.66
2223.68    2.976   246.67
2233.68    2.983   247.67
2243.68    2.989   248.67
2253.68    2.994   249.66
2263.68    2.998   250.65
2273.68    3.000   251.64
2283.68    3.002   252.63
2293.68    3.003   253.61
2303.68    3.003   254.60
2313.68    3.002   255.59
2323.68    3.000   256.57
2333.68    2.997   257.56
2343.68    2.994   258.55
2353.68    2.989   259.55
2363.68    2.984   260.54
2373.68    2.978   261.54
2383.68    2.971   262.55
2393.68    2.963   263.56
2403.68    2.955   264.58
2413.68    2.945   265.60
2423.68    2.935   266.63
2433.68    2.925   267.66
2443.68    2.913   268.71
2453.68    2.901   269.76
2463.68    2.888   270.82
2473.68    2.874   271.89
2483.68    2.860   272.97
2493.68    2.845   274.07
2503.68    2.829   275.17
2513.68    2.812   276.29
2523.68    2.795   277.42






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 17:01:54



www.stella-vega.de