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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:05:32

Orbital Elements for BU1129
WDS: BU1129 WDS ID/Discoverer
P: 147.500 Orbital period (years)
a: 0.205 Semi-major axis (arcseconds)
i: 150.3 Inclination (degrees)
Ω: 49.6 Longitude of ascending node (degrees)
T: 1975.560 Epoch of periastron passage (year)
e: 0.961 Eccentricity
ω: 255.1 Longitude of periastron (degrees)
Start-Year: 1952.0 Year
End-Year: 2098.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BU1129
Position: 192136.09+522234.9 Epoch-2000 right ascension and declination
WDS-ID: 19216+5223 WDS designation
Discoverer Code: BU1129 Discover designation and components
ADS number: 12366 Aitken Double Star catalog
HD number: 182353 HD catalog number
Hipparcos number: 95156 Hipparcos catalog number
V1: 7.69 Magnitude of the primary
V2: 7.84 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2021 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for BU1129



WDS 6th Orbit including measures of BU1129

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


Ephemeris of BU1129
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.331    341.6
-------------------------
1952.0     0.235    323.6
1953.0     0.230    323.2
1954.0     0.224    322.7
1955.0     0.219    322.2
1956.0     0.213    321.7
1957.0     0.207    321.1
1958.0     0.200    320.5
1959.0     0.194    319.9
1960.0     0.187    319.2
1961.0     0.180    318.5
1962.0     0.173    317.7
1963.0     0.165    316.8
1964.0     0.157    315.8
1965.0     0.148    314.8
1966.0     0.140    313.6
1967.0     0.130    312.3
1968.0     0.121    310.7
1969.0     0.110    308.8
1970.0     0.099    306.6
1971.0     0.087    303.8
1972.0     0.074    300.0
1973.0     0.060    294.4
1974.0     0.043    284.8
1975.0     0.021    258.9
1976.0     0.019     54.1
1977.0     0.043     25.3
1978.0     0.062     16.2
1979.0     0.078     11.1
1980.0     0.091      7.6
1981.0     0.104      5.0
1982.0     0.115      3.0
1983.0     0.126      1.3
1984.0     0.136    359.9
1985.0     0.146    358.6
1986.0     0.155    357.5
1987.0     0.163    356.6
1988.0     0.171    355.7
1989.0     0.179    354.9
1990.0     0.186    354.1
1991.0     0.194    353.5
1992.0     0.200    352.8
1993.0     0.207    352.2
1994.0     0.213    351.7
1995.0     0.219    351.1
1996.0     0.225    350.6
1997.0     0.231    350.2
1998.0     0.236    349.7
1999.0     0.242    349.3
2000.0     0.247    348.9
2001.0     0.252    348.5
2002.0     0.257    348.1
2003.0     0.261    347.7
2004.0     0.266    347.4
2005.0     0.270    347.0
2006.0     0.274    346.7
2007.0     0.278    346.4
2008.0     0.282    346.1
2009.0     0.286    345.8
2010.0     0.289    345.5
2011.0     0.293    345.2
2012.0     0.296    344.9
2013.0     0.300    344.6
2014.0     0.303    344.3
2015.0     0.306    344.1
2016.0     0.309    343.8
2017.0     0.312    343.6
2018.0     0.314    343.3
2019.0     0.317    343.1
2020.0     0.319    342.8
2021.0     0.322    342.6
2022.0     0.324    342.3
2023.0     0.326    342.1
2024.0     0.329    341.9
2025.0     0.331    341.6
2026.0     0.332    341.4
2027.0     0.334    341.2
2028.0     0.336    341.0
2029.0     0.338    340.8
2030.0     0.339    340.5
2031.0     0.341    340.3
2032.0     0.342    340.1
2033.0     0.343    339.9
2034.0     0.345    339.7
2035.0     0.346    339.5
2036.0     0.347    339.3
2037.0     0.348    339.1
2038.0     0.349    338.9
2039.0     0.350    338.7
2040.0     0.350    338.5
2041.0     0.351    338.3
2042.0     0.351    338.1
2043.0     0.352    337.9
2044.0     0.352    337.7
2045.0     0.353    337.5
2046.0     0.353    337.3
2047.0     0.353    337.1
2048.0     0.353    336.9
2049.0     0.353    336.7
2050.0     0.353    336.5
2051.0     0.353    336.3
2052.0     0.352    336.1
2053.0     0.352    335.9
2054.0     0.352    335.7
2055.0     0.351    335.5
2056.0     0.351    335.3
2057.0     0.350    335.1
2058.0     0.349    334.9
2059.0     0.348    334.7
2060.0     0.347    334.5
2061.0     0.346    334.3
2062.0     0.345    334.1
2063.0     0.344    333.9
2064.0     0.343    333.7
2065.0     0.342    333.5
2066.0     0.340    333.2
2067.0     0.339    333.0
2068.0     0.337    332.8
2069.0     0.335    332.6
2070.0     0.334    332.4
2071.0     0.332    332.2
2072.0     0.330    331.9
2073.0     0.328    331.7
2074.0     0.326    331.5
2075.0     0.323    331.2
2076.0     0.321    331.0
2077.0     0.319    330.8
2078.0     0.316    330.5
2079.0     0.314    330.3
2080.0     0.311    330.0
2081.0     0.308    329.8
2082.0     0.305    329.5
2083.0     0.302    329.2
2084.0     0.299    329.0
2085.0     0.296    328.7
2086.0     0.293    328.4
2087.0     0.289    328.1
2088.0     0.286    327.8
2089.0     0.282    327.5
2090.0     0.278    327.2
2091.0     0.274    326.9
2092.0     0.270    326.5
2093.0     0.266    326.2
2094.0     0.262    325.8
2095.0     0.257    325.5
2096.0     0.252    325.1
2097.0     0.248    324.7






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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