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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:11:40

Orbital Elements for HDS664
WDS: HDS664 WDS ID/Discoverer
P: 127.870 Orbital period (years)
a: 0.4246 Semi-major axis (arcseconds)
i: 47.6 Inclination (degrees)
Ω: 149.6 Longitude of ascending node (degrees)
T: 2116.383 Epoch of periastron passage (year)
e: 0.331 Eccentricity
ω: 155.2 Longitude of periastron (degrees)
Start-Year: 1962.0 Year
End-Year: 2088.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS664
Position: 050600.93+355611.1 Epoch-2000 right ascension and declination
WDS-ID: 05060+3556 WDS designation
Discoverer Code: HDS664 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 32608 HD catalog number
Hipparcos number: 23724 Hipparcos catalog number
V1: 6.73 Magnitude of the primary
V2: 8.62 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2011 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for HDS664



WDS 6th Orbit including measures of HDS664

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


Ephemeris of HDS664
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.355     88.1
-------------------------
1962.0     0.375    181.3
1963.0     0.363    183.7
1964.0     0.351    186.2
1965.0     0.339    189.0
1966.0     0.326    191.9
1967.0     0.314    195.0
1968.0     0.302    198.4
1969.0     0.290    202.1
1970.0     0.278    206.1
1971.0     0.267    210.5
1972.0     0.256    215.2
1973.0     0.247    220.4
1974.0     0.238    225.9
1975.0     0.231    231.7
1976.0     0.225    238.0
1977.0     0.221    244.5
1978.0     0.219    251.2
1979.0     0.218    257.9
1980.0     0.220    264.7
1981.0     0.222    271.3
1982.0     0.227    277.7
1983.0     0.232    283.9
1984.0     0.239    289.7
1985.0     0.245    295.2
1986.0     0.253    300.4
1987.0     0.260    305.3
1988.0     0.267    310.0
1989.0     0.273    314.4
1990.0     0.279    318.7
1991.0     0.284    322.7
1992.0     0.288    326.7
1993.0     0.291    330.5
1994.0     0.294    334.3
1995.0     0.295    338.0
1996.0     0.296    341.7
1997.0     0.296    345.4
1998.0     0.296    349.1
1999.0     0.294    352.8
2000.0     0.293    356.5
2001.0     0.291      0.3
2002.0     0.289      4.2
2003.0     0.287      8.0
2004.0     0.285     12.0
2005.0     0.283     16.0
2006.0     0.282     20.0
2007.0     0.281     24.1
2008.0     0.280     28.2
2009.0     0.280     32.3
2010.0     0.280     36.5
2011.0     0.282     40.6
2012.0     0.283     44.6
2013.0     0.286     48.6
2014.0     0.289     52.5
2015.0     0.292     56.3
2016.0     0.297     60.1
2017.0     0.301     63.7
2018.0     0.307     67.2
2019.0     0.313     70.5
2020.0     0.319     73.8
2021.0     0.326     76.9
2022.0     0.333     79.9
2023.0     0.340     82.7
2024.0     0.348     85.5
2025.0     0.355     88.1
2026.0     0.363     90.6
2027.0     0.371     93.0
2028.0     0.380     95.3
2029.0     0.388     97.5
2030.0     0.396     99.6
2031.0     0.404    101.6
2032.0     0.412    103.5
2033.0     0.420    105.4
2034.0     0.428    107.2
2035.0     0.436    108.9
2036.0     0.444    110.6
2037.0     0.451    112.2
2038.0     0.459    113.7
2039.0     0.466    115.2
2040.0     0.473    116.7
2041.0     0.480    118.1
2042.0     0.486    119.5
2043.0     0.493    120.9
2044.0     0.499    122.2
2045.0     0.504    123.5
2046.0     0.510    124.7
2047.0     0.515    126.0
2048.0     0.520    127.2
2049.0     0.524    128.3
2050.0     0.528    129.5
2051.0     0.532    130.7
2052.0     0.536    131.8
2053.0     0.539    132.9
2054.0     0.542    134.0
2055.0     0.544    135.1
2056.0     0.547    136.2
2057.0     0.548    137.3
2058.0     0.550    138.3
2059.0     0.551    139.4
2060.0     0.551    140.5
2061.0     0.552    141.5
2062.0     0.552    142.6
2063.0     0.551    143.7
2064.0     0.550    144.7
2065.0     0.549    145.8
2066.0     0.547    146.9
2067.0     0.545    148.0
2068.0     0.542    149.0
2069.0     0.539    150.2
2070.0     0.535    151.3
2071.0     0.531    152.4
2072.0     0.527    153.6
2073.0     0.522    154.7
2074.0     0.517    155.9
2075.0     0.511    157.2
2076.0     0.505    158.4
2077.0     0.498    159.7
2078.0     0.491    161.0
2079.0     0.484    162.4
2080.0     0.476    163.8
2081.0     0.468    165.2
2082.0     0.459    166.7
2083.0     0.450    168.3
2084.0     0.440    169.9
2085.0     0.430    171.6
2086.0     0.419    173.4
2087.0     0.408    175.3






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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