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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:23:40

Orbital Elements for HU201
WDS: HU201 WDS ID/Discoverer
P: 128.900 Orbital period (years)
a: 0.542 Semi-major axis (arcseconds)
i: 44.1 Inclination (degrees)
Ω: 124.6 Longitude of ascending node (degrees)
T: 1932.970 Epoch of periastron passage (year)
e: 0.688 Eccentricity
ω: 160.0 Longitude of periastron (degrees)
Start-Year: 1961.0 Year
End-Year: 2089.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU201
Position: 005207.81-131350.0 Epoch-2000 right ascension and declination
WDS-ID: 00521-1314 WDS designation
Discoverer Code: HU201 Discover designation and components
ADS number: 713 Aitken Double Star catalog
HD number: 5041 HD catalog number
Hipparcos number: 4066 Hipparcos catalog number
V1: 10.09 Magnitude of the primary
V2: 10.47 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for HU201



WDS 6th Orbit including measures of HU201

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


Ephemeris of HU201
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.792    125.7
-------------------------
1961.0     0.584     83.0
1962.0     0.599     84.2
1963.0     0.614     85.3
1964.0     0.628     86.5
1965.0     0.642     87.5
1966.0     0.655     88.5
1967.0     0.668     89.5
1968.0     0.681     90.5
1969.0     0.693     91.4
1970.0     0.705     92.2
1971.0     0.716     93.1
1972.0     0.727     93.9
1973.0     0.738     94.7
1974.0     0.748     95.5
1975.0     0.758     96.2
1976.0     0.768     97.0
1977.0     0.777     97.7
1978.0     0.786     98.4
1979.0     0.795     99.1
1980.0     0.803     99.7
1981.0     0.811    100.4
1982.0     0.818    101.0
1983.0     0.825    101.7
1984.0     0.832    102.3
1985.0     0.839    102.9
1986.0     0.845    103.5
1987.0     0.850    104.1
1988.0     0.856    104.7
1989.0     0.861    105.3
1990.0     0.865    105.8
1991.0     0.870    106.4
1992.0     0.873    107.0
1993.0     0.877    107.5
1994.0     0.880    108.1
1995.0     0.883    108.6
1996.0     0.886    109.2
1997.0     0.888    109.7
1998.0     0.890    110.3
1999.0     0.891    110.8
2000.0     0.892    111.3
2001.0     0.893    111.9
2002.0     0.893    112.4
2003.0     0.893    113.0
2004.0     0.893    113.5
2005.0     0.892    114.0
2006.0     0.891    114.6
2007.0     0.889    115.1
2008.0     0.887    115.6
2009.0     0.885    116.2
2010.0     0.882    116.7
2011.0     0.879    117.3
2012.0     0.876    117.8
2013.0     0.872    118.4
2014.0     0.868    119.0
2015.0     0.863    119.5
2016.0     0.858    120.1
2017.0     0.852    120.7
2018.0     0.846    121.3
2019.0     0.840    121.9
2020.0     0.833    122.5
2021.0     0.826    123.1
2022.0     0.818    123.8
2023.0     0.810    124.4
2024.0     0.801    125.1
2025.0     0.792    125.7
2026.0     0.783    126.4
2027.0     0.772    127.1
2028.0     0.762    127.9
2029.0     0.751    128.6
2030.0     0.739    129.4
2031.0     0.727    130.2
2032.0     0.714    131.0
2033.0     0.701    131.9
2034.0     0.687    132.7
2035.0     0.672    133.7
2036.0     0.657    134.6
2037.0     0.641    135.7
2038.0     0.624    136.7
2039.0     0.607    137.8
2040.0     0.589    139.0
2041.0     0.571    140.3
2042.0     0.551    141.7
2043.0     0.531    143.1
2044.0     0.510    144.7
2045.0     0.488    146.4
2046.0     0.466    148.3
2047.0     0.442    150.4
2048.0     0.418    152.7
2049.0     0.393    155.3
2050.0     0.366    158.3
2051.0     0.340    161.7
2052.0     0.312    165.7
2053.0     0.284    170.6
2054.0     0.256    176.5
2055.0     0.228    183.8
2056.0     0.202    193.1
2057.0     0.179    205.0
2058.0     0.161    220.0
2059.0     0.151    237.8
2060.0     0.150    257.0
2061.0     0.156    275.4
2062.0     0.166    292.0
2063.0     0.175    306.8
2064.0     0.182    320.2
2065.0     0.188    332.7
2066.0     0.195    344.3
2067.0     0.203    355.1
2068.0     0.213      5.1
2069.0     0.225     14.0
2070.0     0.238     22.0
2071.0     0.254     29.1
2072.0     0.270     35.3
2073.0     0.288     40.8
2074.0     0.306     45.7
2075.0     0.324     50.0
2076.0     0.343     53.9
2077.0     0.362     57.3
2078.0     0.380     60.4
2079.0     0.399     63.2
2080.0     0.418     65.8
2081.0     0.436     68.2
2082.0     0.454     70.3
2083.0     0.472     72.3
2084.0     0.489     74.2
2085.0     0.506     75.9
2086.0     0.523     77.5
2087.0     0.539     79.0
2088.0     0.555     80.5






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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