Double Star Calculator - Orbit

Orbital Elements for BU1129
WDS: BU1129 WDS ID/Discoverer
P: 192.870 Orbital period (years)
a: 0.366 Semi-major axis (arcseconds)
i: 96.4 Inclination (degrees)
Ω: 161.7 Longitude of ascending node (degrees)
T: 2040.000 Epoch of periastron passage (year)
e: 0.302 Eccentricity
ω: 242.0 Longitude of periastron (degrees)
Start-Year: 1928.565 Year
End-Year: 2121.435 Year
Epoch: 2026.5 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: 182535 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: 2023 Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Doc2024b Reference

Double Star Orbit for BU1129



WDS 6th Orbit including measures of BU1129

-- 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 BU1129
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.266   339.97
--------------------------
1928.57    0.327   155.10
1929.57    0.322   154.84
1930.57    0.316   154.58
1931.57    0.310   154.31
1932.57    0.304   154.03
1933.57    0.298   153.74
1934.57    0.291   153.43
1935.57    0.285   153.11
1936.57    0.278   152.77
1937.57    0.271   152.42
1938.57    0.265   152.05
1939.57    0.258   151.66
1940.57    0.250   151.25
1941.57    0.243   150.82
1942.57    0.236   150.35
1943.57    0.229   149.86
1944.57    0.221   149.33
1945.57    0.214   148.77
1946.57    0.206   148.17
1947.57    0.198   147.52
1948.57    0.190   146.81
1949.57    0.182   146.05
1950.57    0.175   145.21
1951.57    0.167   144.30
1952.57    0.159   143.29
1953.57    0.151   142.18
1954.57    0.143   140.94
1955.57    0.134   139.55
1956.57    0.126   137.99
1957.57    0.119   136.22
1958.57    0.111   134.19
1959.57    0.103   131.85
1960.57    0.095   129.14
1961.57    0.088   125.96
1962.57    0.081   122.20
1963.57    0.074   117.72
1964.57    0.067   112.38
1965.57    0.062   106.01
1966.57    0.057    98.47
1967.57    0.053    89.74
1968.57    0.051    80.00
1969.57    0.051    69.69
1970.57    0.051    59.43
1971.57    0.054    49.82
1972.57    0.058    41.26
1973.57    0.063    33.89
1974.57    0.068    27.67
1975.57    0.075    22.46
1976.57    0.082    18.10
1977.57    0.089    14.42
1978.57    0.096    11.31
1979.57    0.104     8.65
1980.57    0.112     6.35
1981.57    0.119     4.36
1982.57    0.127     2.61
1983.57    0.135     1.06
1984.57    0.143   359.69
1985.57    0.151   358.46
1986.57    0.159   357.35
1987.57    0.166   356.34
1988.57    0.174   355.43
1989.57    0.182   354.59
1990.57    0.189   353.81
1991.57    0.197   353.10
1992.57    0.204   352.44
1993.57    0.211   351.82
1994.57    0.218   351.24
1995.57    0.224   350.70
1996.57    0.231   350.18
1997.57    0.237   349.70
1998.57    0.244   349.24
1999.57    0.249   348.80
2000.57    0.255   348.39
2001.57    0.261   347.99
2002.57    0.266   347.60
2003.57    0.271   347.23
2004.57    0.275   346.88
2005.57    0.279   346.53
2006.57    0.283   346.20
2007.57    0.287   345.87
2008.57    0.290   345.55
2009.57    0.293   345.24
2010.57    0.295   344.93
2011.57    0.297   344.63
2012.57    0.299   344.33
2013.57    0.300   344.03
2014.57    0.301   343.74
2015.57    0.301   343.45
2016.57    0.301   343.15
2017.57    0.300   342.86
2018.57    0.298   342.56
2019.57    0.296   342.26
2020.57    0.294   341.96
2021.57    0.291   341.64
2022.57    0.287   341.33
2023.57    0.283   341.00
2024.57    0.278   340.66
2025.57    0.272   340.31
2026.57    0.266   339.94
2027.57    0.259   339.55
2028.57    0.251   339.15
2029.57    0.243   338.71
2030.57    0.234   338.24
2031.57    0.225   337.74
2032.57    0.214   337.19
2033.57    0.204   336.58
2034.57    0.192   335.90
2035.57    0.181   335.14
2036.57    0.168   334.26
2037.57    0.155   333.25
2038.57    0.142   332.05
2039.57    0.129   330.59
2040.57    0.115   328.79
2041.57    0.101   326.49
2042.57    0.086   323.42
2043.57    0.072   319.16
2044.57    0.058   312.84
2045.57    0.046   302.81
2046.57    0.035   285.94
2047.57    0.029   259.26
2048.57    0.032   229.56
2049.57    0.041   208.43
2050.57    0.053   195.85
2051.57    0.066   188.17
2052.57    0.080   183.15
2053.57    0.094   179.63
2054.57    0.109   177.04
2055.57    0.123   175.06
2056.57    0.137   173.48
2057.57    0.151   172.20
2058.57    0.164   171.13
2059.57    0.178   170.22
2060.57    0.191   169.44
2061.57    0.203   168.75
2062.57    0.216   168.15
2063.57    0.228   167.61
2064.57    0.239   167.12
2065.57    0.250   166.67
2066.57    0.261   166.27
2067.57    0.271   165.89
2068.57    0.281   165.54
2069.57    0.291   165.22
2070.57    0.300   164.91
2071.57    0.308   164.62
2072.57    0.317   164.35
2073.57    0.324   164.09
2074.57    0.332   163.85
2075.57    0.339   163.61
2076.57    0.346   163.38
2077.57    0.352   163.16
2078.57    0.358   162.95
2079.57    0.363   162.75
2080.57    0.369   162.55
2081.57    0.373   162.36
2082.57    0.378   162.17
2083.57    0.382   161.99
2084.57    0.386   161.80
2085.57    0.389   161.63
2086.57    0.392   161.45
2087.57    0.395   161.28
2088.57    0.397   161.11
2089.57    0.399   160.94
2090.57    0.401   160.78
2091.57    0.402   160.61
2092.57    0.403   160.45
2093.57    0.404   160.29
2094.57    0.405   160.12
2095.57    0.405   159.96
2096.57    0.405   159.80
2097.57    0.404   159.64
2098.57    0.404   159.47
2099.57    0.403   159.31
2100.57    0.402   159.15
2101.57    0.400   158.98
2102.57    0.399   158.82
2103.57    0.397   158.65
2104.57    0.395   158.48
2105.57    0.392   158.31
2106.57    0.390   158.13
2107.57    0.387   157.96
2108.57    0.384   157.78
2109.57    0.381   157.60
2110.57    0.377   157.41
2111.57    0.374   157.22
2112.57    0.370   157.03
2113.57    0.366   156.83
2114.57    0.361   156.63
2115.57    0.357   156.43
2116.57    0.352   156.22
2117.57    0.348   156.00
2118.57    0.343   155.78
2119.57    0.337   155.55
2120.57    0.332   155.31






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 18:03:27



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