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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:07:33

Orbital Elements for BU603AB
WDS: BU603AB WDS ID/Discoverer
P: 133.120 Orbital period (years)
a: 0.685 Semi-major axis (arcseconds)
i: 147.4 Inclination (degrees)
Ω: 255.1 Longitude of ascending node (degrees)
T: 1938.510 Epoch of periastron passage (year)
e: 0.788 Eccentricity
ω: 96.3 Longitude of periastron (degrees)
Start-Year: 1959.0 Year
End-Year: 2091.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BU603AB
Position: 114838.71+141703.2 Epoch-2000 right ascension and declination
WDS-ID: 11486+1417 WDS designation
Discoverer Code: BU603AB Discover designation and components
ADS number: 8311 Aitken Double Star catalog
HD number: 102590 HD catalog number
Hipparcos number: 57606 Hipparcos catalog number
V1: 5.97 Magnitude of the primary
V2: 8.53 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for BU603AB



WDS 6th Orbit including measures of BU603AB

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


Ephemeris of BU603AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.985    325.0
-------------------------
1959.0     0.680     15.2
1960.0     0.697     13.8
1961.0     0.713     12.4
1962.0     0.729     11.2
1963.0     0.744     10.0
1964.0     0.759      8.8
1965.0     0.773      7.7
1966.0     0.786      6.6
1967.0     0.799      5.5
1968.0     0.812      4.5
1969.0     0.824      3.6
1970.0     0.836      2.6
1971.0     0.847      1.7
1972.0     0.858      0.8
1973.0     0.869    359.9
1974.0     0.879    359.0
1975.0     0.889    358.2
1976.0     0.898    357.4
1977.0     0.907    356.5
1978.0     0.916    355.8
1979.0     0.925    355.0
1980.0     0.933    354.2
1981.0     0.940    353.5
1982.0     0.948    352.7
1983.0     0.955    352.0
1984.0     0.962    351.3
1985.0     0.968    350.6
1986.0     0.974    349.9
1987.0     0.980    349.2
1988.0     0.986    348.5
1989.0     0.991    347.8
1990.0     0.996    347.2
1991.0     1.000    346.5
1992.0     1.005    345.8
1993.0     1.009    345.2
1994.0     1.012    344.6
1995.0     1.016    343.9
1996.0     1.019    343.3
1997.0     1.022    342.6
1998.0     1.024    342.0
1999.0     1.027    341.4
2000.0     1.029    340.8
2001.0     1.030    340.1
2002.0     1.032    339.5
2003.0     1.033    338.9
2004.0     1.034    338.3
2005.0     1.034    337.7
2006.0     1.035    337.1
2007.0     1.035    336.4
2008.0     1.034    335.8
2009.0     1.034    335.2
2010.0     1.033    334.6
2011.0     1.032    334.0
2012.0     1.030    333.4
2013.0     1.029    332.7
2014.0     1.027    332.1
2015.0     1.024    331.5
2016.0     1.022    330.9
2017.0     1.019    330.2
2018.0     1.016    329.6
2019.0     1.012    329.0
2020.0     1.008    328.3
2021.0     1.004    327.7
2022.0     1.000    327.0
2023.0     0.995    326.3
2024.0     0.990    325.7
2025.0     0.985    325.0
2026.0     0.979    324.3
2027.0     0.973    323.6
2028.0     0.967    322.9
2029.0     0.960    322.2
2030.0     0.953    321.5
2031.0     0.945    320.8
2032.0     0.938    320.0
2033.0     0.930    319.3
2034.0     0.921    318.5
2035.0     0.912    317.7
2036.0     0.903    316.9
2037.0     0.893    316.1
2038.0     0.883    315.3
2039.0     0.873    314.4
2040.0     0.862    313.5
2041.0     0.850    312.6
2042.0     0.838    311.7
2043.0     0.826    310.8
2044.0     0.813    309.8
2045.0     0.800    308.8
2046.0     0.786    307.7
2047.0     0.771    306.6
2048.0     0.756    305.5
2049.0     0.741    304.3
2050.0     0.725    303.1
2051.0     0.708    301.8
2052.0     0.690    300.5
2053.0     0.672    299.1
2054.0     0.653    297.6
2055.0     0.633    296.0
2056.0     0.612    294.3
2057.0     0.590    292.5
2058.0     0.568    290.5
2059.0     0.544    288.4
2060.0     0.519    286.0
2061.0     0.492    283.5
2062.0     0.464    280.6
2063.0     0.435    277.3
2064.0     0.403    273.6
2065.0     0.370    269.2
2066.0     0.334    263.8
2067.0     0.295    257.2
2068.0     0.253    248.3
2069.0     0.208    235.9
2070.0     0.163    216.5
2071.0     0.129    184.5
2072.0     0.127    141.9
2073.0     0.158    108.2
2074.0     0.201     87.5
2075.0     0.243     74.0
2076.0     0.282     64.4
2077.0     0.319     57.1
2078.0     0.353     51.3
2079.0     0.384     46.4
2080.0     0.414     42.3
2081.0     0.442     38.7
2082.0     0.469     35.5
2083.0     0.494     32.7
2084.0     0.518     30.1
2085.0     0.541     27.8
2086.0     0.563     25.6
2087.0     0.584     23.6
2088.0     0.605     21.7
2089.0     0.624     20.0
2090.0     0.643     18.3






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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