Double Star Calculator - Orbit

Orbital Elements for HU572
WDS: HU572 WDS ID/Discoverer
P: 102.900 Orbital period (years)
a: 0.4 Semi-major axis (arcseconds)
i: 145.0 Inclination (degrees)
Ω: 153.7 Longitude of ascending node (degrees)
T: 1986.220 Epoch of periastron passage (year)
e: 0.516 Eccentricity
ω: 30.9 Longitude of periastron (degrees)
Start-Year: 1973.55 Year
End-Year: 2076.45 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU572
Position: 130908.52+212722.0 Epoch-2000 right ascension and declination
WDS-ID: 13091+2127 WDS designation
Discoverer Code: HU572 Discover designation and components
ADS number: 8799 Aitken Double Star catalog
HD number: 114255 HD catalog number
Hipparcos number: 64175 Hipparcos catalog number
V1: 8.73 Magnitude of the primary
V2: 10.08 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2011 Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: FMR2012b Reference

Double Star Orbit for HU572



WDS 6th Orbit including measures of HU572

-- 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 HU572
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.578   320.49
--------------------------
1973.55    0.282   224.28
1974.55    0.273   219.18
1975.55    0.264   213.73
1976.55    0.256   207.92
1977.55    0.248   201.74
1978.55    0.241   195.16
1979.55    0.233   188.16
1980.55    0.226   180.72
1981.55    0.219   172.81
1982.55    0.212   164.37
1983.55    0.205   155.33
1984.55    0.197   145.60
1985.55    0.190   135.09
1986.55    0.183   123.75
1987.55    0.178   111.66
1988.55    0.176    99.04
1989.55    0.177    86.35
1990.55    0.182    74.10
1991.55    0.191    62.77
1992.55    0.203    52.61
1993.55    0.217    43.70
1994.55    0.234    35.96
1995.55    0.251    29.25
1996.55    0.268    23.40
1997.55    0.286    18.29
1998.55    0.304    13.77
1999.55    0.321     9.74
2000.55    0.338     6.13
2001.55    0.355     2.85
2002.55    0.371   359.86
2003.55    0.386   357.12
2004.55    0.401   354.58
2005.55    0.415   352.22
2006.55    0.428   350.01
2007.55    0.441   347.93
2008.55    0.454   345.97
2009.55    0.465   344.11
2010.55    0.476   342.34
2011.55    0.487   340.64
2012.55    0.496   339.02
2013.55    0.506   337.45
2014.55    0.514   335.94
2015.55    0.522   334.48
2016.55    0.530   333.06
2017.55    0.537   331.68
2018.55    0.544   330.34
2019.55    0.550   329.03
2020.55    0.555   327.74
2021.55    0.560   326.48
2022.55    0.565   325.23
2023.55    0.569   324.01
2024.55    0.572   322.81
2025.55    0.575   321.61
2026.55    0.578   320.43
2027.55    0.580   319.26
2028.55    0.582   318.10
2029.55    0.584   316.94
2030.55    0.584   315.79
2031.55    0.585   314.64
2032.55    0.585   313.50
2033.55    0.585   312.35
2034.55    0.584   311.20
2035.55    0.583   310.05
2036.55    0.582   308.89
2037.55    0.580   307.72
2038.55    0.578   306.55
2039.55    0.575   305.37
2040.55    0.572   304.17
2041.55    0.569   302.97
2042.55    0.565   301.74
2043.55    0.561   300.50
2044.55    0.556   299.24
2045.55    0.552   297.96
2046.55    0.547   296.66
2047.55    0.541   295.33
2048.55    0.535   293.98
2049.55    0.529   292.59
2050.55    0.523   291.17
2051.55    0.516   289.72
2052.55    0.509   288.22
2053.55    0.502   286.68
2054.55    0.494   285.10
2055.55    0.486   283.46
2056.55    0.478   281.77
2057.55    0.469   280.02
2058.55    0.461   278.21
2059.55    0.452   276.32
2060.55    0.442   274.35
2061.55    0.433   272.30
2062.55    0.423   270.16
2063.55    0.413   267.92
2064.55    0.403   265.56
2065.55    0.393   263.08
2066.55    0.383   260.48
2067.55    0.373   257.72
2068.55    0.362   254.81
2069.55    0.352   251.73
2070.55    0.341   248.45
2071.55    0.331   244.97
2072.55    0.320   241.26
2073.55    0.310   237.31
2074.55    0.300   233.10
2075.55    0.291   228.59






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 16:52:59



www.stella-vega.de