Double Star Calculator - Orbit

Orbital Elements for HU141
WDS: HU141 WDS ID/Discoverer
P: 173.900 Orbital period (years)
a: 0.374 Semi-major axis (arcseconds)
i: 57.4 Inclination (degrees)
Ω: 6.9 Longitude of ascending node (degrees)
T: 1949.330 Epoch of periastron passage (year)
e: 0.89 Eccentricity
ω: 114.8 Longitude of periastron (degrees)
Start-Year: 1938.05 Year
End-Year: 2111.95 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU141
Position: 144910.88-104938.0 Epoch-2000 right ascension and declination
WDS-ID: 14492-1050 WDS designation
Discoverer Code: HU141 Discover designation and components
ADS number: 9395 Aitken Double Star catalog
HD number: 130558 HD catalog number
Hipparcos number: 72478 Hipparcos catalog number
V1: 7.92 Magnitude of the primary
V2: 9.21 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Zir2015a Reference

Double Star Orbit for HU141



WDS 6th Orbit including measures of HU141

-- 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 HU141
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.439   314.04
--------------------------
1938.05    0.247   350.70
1939.05    0.235   351.92
1940.05    0.222   353.28
1941.05    0.208   354.82
1942.05    0.193   356.58
1943.05    0.176   358.67
1944.05    0.158     1.21
1945.05    0.137     4.48
1946.05    0.114     9.01
1947.05    0.086    16.24
1948.05    0.052    31.97
1949.05    0.023   103.26
1950.05    0.048   178.32
1951.05    0.070   198.76
1952.05    0.085   210.62
1953.05    0.095   219.41
1954.05    0.105   226.52
1955.05    0.113   232.54
1956.05    0.121   237.76
1957.05    0.128   242.36
1958.05    0.135   246.47
1959.05    0.142   250.16
1960.05    0.149   253.51
1961.05    0.156   256.56
1962.05    0.163   259.37
1963.05    0.169   261.95
1964.05    0.176   264.34
1965.05    0.182   266.56
1966.05    0.189   268.62
1967.05    0.195   270.56
1968.05    0.201   272.37
1969.05    0.207   274.08
1970.05    0.213   275.69
1971.05    0.219   277.21
1972.05    0.225   278.65
1973.05    0.231   280.01
1974.05    0.237   281.31
1975.05    0.243   282.55
1976.05    0.248   283.73
1977.05    0.254   284.86
1978.05    0.259   285.95
1979.05    0.264   286.99
1980.05    0.270   287.98
1981.05    0.275   288.94
1982.05    0.280   289.86
1983.05    0.285   290.75
1984.05    0.290   291.61
1985.05    0.295   292.44
1986.05    0.300   293.25
1987.05    0.305   294.02
1988.05    0.310   294.78
1989.05    0.314   295.51
1990.05    0.319   296.22
1991.05    0.323   296.91
1992.05    0.328   297.58
1993.05    0.332   298.23
1994.05    0.336   298.87
1995.05    0.341   299.49
1996.05    0.345   300.10
1997.05    0.349   300.69
1998.05    0.353   301.27
1999.05    0.357   301.83
2000.05    0.361   302.38
2001.05    0.365   302.93
2002.05    0.368   303.46
2003.05    0.372   303.97
2004.05    0.376   304.48
2005.05    0.379   304.98
2006.05    0.383   305.47
2007.05    0.386   305.96
2008.05    0.389   306.43
2009.05    0.393   306.89
2010.05    0.396   307.35
2011.05    0.399   307.80
2012.05    0.402   308.25
2013.05    0.405   308.68
2014.05    0.408   309.11
2015.05    0.411   309.54
2016.05    0.414   309.96
2017.05    0.416   310.37
2018.05    0.419   310.78
2019.05    0.422   311.18
2020.05    0.424   311.58
2021.05    0.426   311.97
2022.05    0.429   312.36
2023.05    0.431   312.75
2024.05    0.433   313.13
2025.05    0.436   313.50
2026.05    0.438   313.88
2027.05    0.440   314.25
2028.05    0.442   314.61
2029.05    0.444   314.98
2030.05    0.446   315.34
2031.05    0.447   315.69
2032.05    0.449   316.05
2033.05    0.451   316.40
2034.05    0.452   316.75
2035.05    0.454   317.09
2036.05    0.455   317.44
2037.05    0.456   317.78
2038.05    0.458   318.12
2039.05    0.459   318.46
2040.05    0.460   318.80
2041.05    0.461   319.13
2042.05    0.462   319.47
2043.05    0.463   319.80
2044.05    0.464   320.13
2045.05    0.465   320.46
2046.05    0.465   320.79
2047.05    0.466   321.12
2048.05    0.466   321.44
2049.05    0.467   321.77
2050.05    0.467   322.10
2051.05    0.468   322.42
2052.05    0.468   322.75
2053.05    0.468   323.07
2054.05    0.468   323.40
2055.05    0.468   323.72
2056.05    0.468   324.05
2057.05    0.468   324.37
2058.05    0.467   324.70
2059.05    0.467   325.02
2060.05    0.466   325.35
2061.05    0.466   325.68
2062.05    0.465   326.01
2063.05    0.464   326.34
2064.05    0.464   326.67
2065.05    0.463   327.00
2066.05    0.462   327.33
2067.05    0.461   327.67
2068.05    0.459   328.00
2069.05    0.458   328.34
2070.05    0.457   328.68
2071.05    0.455   329.02
2072.05    0.453   329.37
2073.05    0.452   329.71
2074.05    0.450   330.06
2075.05    0.448   330.42
2076.05    0.446   330.77
2077.05    0.443   331.13
2078.05    0.441   331.50
2079.05    0.439   331.87
2080.05    0.436   332.24
2081.05    0.433   332.61
2082.05    0.430   333.00
2083.05    0.427   333.38
2084.05    0.424   333.77
2085.05    0.421   334.17
2086.05    0.418   334.58
2087.05    0.414   334.99
2088.05    0.410   335.41
2089.05    0.406   335.83
2090.05    0.402   336.27
2091.05    0.398   336.71
2092.05    0.394   337.17
2093.05    0.389   337.63
2094.05    0.384   338.11
2095.05    0.379   338.60
2096.05    0.374   339.10
2097.05    0.368   339.62
2098.05    0.362   340.15
2099.05    0.356   340.70
2100.05    0.350   341.27
2101.05    0.344   341.86
2102.05    0.337   342.47
2103.05    0.330   343.12
2104.05    0.322   343.78
2105.05    0.314   344.49
2106.05    0.306   345.23
2107.05    0.297   346.01
2108.05    0.288   346.84
2109.05    0.279   347.72
2110.05    0.269   348.67
2111.05    0.258   349.70






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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 17:08:59



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