Double Star Calculator - Orbit

Orbital Elements for HU33
WDS: HU33 WDS ID/Discoverer
P: 143.390 Orbital period (years)
a: 0.121 Semi-major axis (arcseconds)
i: 137.7 Inclination (degrees)
Ω: 90.6 Longitude of ascending node (degrees)
T: 1961.110 Epoch of periastron passage (year)
e: 0.785 Eccentricity
ω: 295.5 Longitude of periastron (degrees)
Start-Year: 1953.305 Year
End-Year: 2096.695 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU33
Position: 051141.35+003052.5 Epoch-2000 right ascension and declination
WDS-ID: 05117+0031 WDS designation
Discoverer Code: HU33 Discover designation and components
ADS number: 3767 Aitken Double Star catalog
HD number: 33647 HD catalog number
Hipparcos number: 24196 Hipparcos catalog number
V1: 7.2 Magnitude of the primary
V2: 7.6 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1998 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: Ana2004 Reference

Double Star Orbit for HU33



WDS 6th Orbit including measures of HU33

-- 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 HU33
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.168   331.46
--------------------------
1953.31    0.070   270.54
1954.31    0.064   266.77
1955.31    0.057   262.14
1956.31    0.050   256.18
1957.31    0.042   248.04
1958.31    0.033   235.93
1959.31    0.025   215.85
1960.31    0.020   181.62
1961.31    0.021   140.35
1962.31    0.027   111.12
1963.31    0.034    92.87
1964.31    0.040    80.29
1965.31    0.045    70.78
1966.31    0.049    63.13
1967.31    0.053    56.75
1968.31    0.057    51.27
1969.31    0.061    46.48
1970.31    0.065    42.22
1971.31    0.068    38.40
1972.31    0.071    34.94
1973.31    0.075    31.77
1974.31    0.078    28.87
1975.31    0.081    26.18
1976.31    0.084    23.68
1977.31    0.086    21.35
1978.31    0.089    19.17
1979.31    0.092    17.12
1980.31    0.095    15.19
1981.31    0.097    13.36
1982.31    0.100    11.63
1983.31    0.102     9.98
1984.31    0.105     8.41
1985.31    0.107     6.91
1986.31    0.110     5.47
1987.31    0.112     4.10
1988.31    0.114     2.78
1989.31    0.116     1.51
1990.31    0.118     0.28
1991.31    0.121   359.10
1992.31    0.123   357.96
1993.31    0.125   356.86
1994.31    0.127   355.79
1995.31    0.128   354.75
1996.31    0.130   353.75
1997.31    0.132   352.77
1998.31    0.134   351.82
1999.31    0.136   350.89
2000.31    0.137   349.99
2001.31    0.139   349.11
2002.31    0.141   348.25
2003.31    0.142   347.41
2004.31    0.144   346.59
2005.31    0.145   345.78
2006.31    0.147   345.00
2007.31    0.148   344.22
2008.31    0.150   343.46
2009.31    0.151   342.72
2010.31    0.152   341.99
2011.31    0.154   341.27
2012.31    0.155   340.56
2013.31    0.156   339.86
2014.31    0.157   339.18
2015.31    0.158   338.50
2016.31    0.159   337.83
2017.31    0.160   337.18
2018.31    0.161   336.53
2019.31    0.162   335.88
2020.31    0.163   335.25
2021.31    0.164   334.62
2022.31    0.165   334.00
2023.31    0.166   333.38
2024.31    0.167   332.78
2025.31    0.167   332.17
2026.31    0.168   331.57
2027.31    0.169   330.98
2028.31    0.169   330.39
2029.31    0.170   329.80
2030.31    0.170   329.22
2031.31    0.171   328.64
2032.31    0.171   328.07
2033.31    0.172   327.50
2034.31    0.172   326.93
2035.31    0.172   326.36
2036.31    0.173   325.79
2037.31    0.173   325.23
2038.31    0.173   324.67
2039.31    0.173   324.11
2040.31    0.173   323.55
2041.31    0.174   322.99
2042.31    0.174   322.43
2043.31    0.174   321.87
2044.31    0.173   321.31
2045.31    0.173   320.75
2046.31    0.173   320.19
2047.31    0.173   319.63
2048.31    0.173   319.06
2049.31    0.172   318.50
2050.31    0.172   317.93
2051.31    0.172   317.36
2052.31    0.171   316.79
2053.31    0.171   316.21
2054.31    0.170   315.64
2055.31    0.170   315.05
2056.31    0.169   314.47
2057.31    0.168   313.87
2058.31    0.168   313.28
2059.31    0.167   312.67
2060.31    0.166   312.06
2061.31    0.165   311.45
2062.31    0.164   310.83
2063.31    0.163   310.20
2064.31    0.162   309.56
2065.31    0.161   308.91
2066.31    0.159   308.25
2067.31    0.158   307.58
2068.31    0.157   306.90
2069.31    0.155   306.21
2070.31    0.154   305.50
2071.31    0.152   304.78
2072.31    0.150   304.05
2073.31    0.149   303.30
2074.31    0.147   302.52
2075.31    0.145   301.73
2076.31    0.143   300.92
2077.31    0.141   300.08
2078.31    0.138   299.21
2079.31    0.136   298.32
2080.31    0.134   297.40
2081.31    0.131   296.44
2082.31    0.128   295.44
2083.31    0.126   294.39
2084.31    0.123   293.30
2085.31    0.120   292.15
2086.31    0.116   290.94
2087.31    0.113   289.66
2088.31    0.109   288.30
2089.31    0.106   286.85
2090.31    0.102   285.28
2091.31    0.098   283.58
2092.31    0.093   281.73
2093.31    0.088   279.68
2094.31    0.083   277.40
2095.31    0.078   274.81
2096.31    0.072   271.84






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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 15:34:57



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