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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:35:53
WDS:
SEE264AB
WDS ID/Discoverer
P:
131.200
Orbital period (years)
a:
0.807
Semi-major axis (arcseconds)
i:
152.3
Inclination (degrees)
Ω:
161.7
Longitude of ascending node (degrees)
T:
1981.400
Epoch of periastron passage (year)
e:
0.029
Eccentricity
ω:
53.3
Longitude of periastron (degrees)
Start-Year:
1960.0
Year
End-Year:
2090.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
160539.19-325144.4
Epoch-2000 right ascension and declination
WDS-ID:
16057-3252
WDS designation
Discoverer Code:
SEE264AB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
144179
HD catalog number
Hipparcos number:
78842
Hipparcos catalog number
V1:
8.34
Magnitude of the primary
V2:
9.29
Magnitude of the secondary
Equinox:
Equinox
Date:
2017
Date of last observation
Orbit grade:
4
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
n
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.819 345.4
-------------------------
1960.0 0.794 169.1
1961.0 0.794 166.6
1962.0 0.793 164.0
1963.0 0.793 161.5
1964.0 0.791 159.0
1965.0 0.790 156.5
1966.0 0.788 153.9
1967.0 0.786 151.4
1968.0 0.783 148.8
1969.0 0.780 146.2
1970.0 0.777 143.6
1971.0 0.773 141.0
1972.0 0.770 138.3
1973.0 0.765 135.6
1974.0 0.761 132.9
1975.0 0.757 130.2
1976.0 0.752 127.4
1977.0 0.748 124.6
1978.0 0.743 121.7
1979.0 0.738 118.9
1980.0 0.733 115.9
1981.0 0.729 113.0
1982.0 0.725 110.0
1983.0 0.720 107.0
1984.0 0.716 103.9
1985.0 0.713 100.8
1986.0 0.709 97.7
1987.0 0.706 94.5
1988.0 0.704 91.3
1989.0 0.701 88.1
1990.0 0.700 84.9
1991.0 0.698 81.7
1992.0 0.698 78.4
1993.0 0.697 75.2
1994.0 0.698 71.9
1995.0 0.698 68.7
1996.0 0.700 65.4
1997.0 0.702 62.2
1998.0 0.704 59.0
1999.0 0.707 55.8
2000.0 0.710 52.7
2001.0 0.714 49.6
2002.0 0.718 46.5
2003.0 0.722 43.4
2004.0 0.727 40.4
2005.0 0.732 37.4
2006.0 0.737 34.5
2007.0 0.742 31.6
2008.0 0.747 28.7
2009.0 0.753 25.9
2010.0 0.758 23.2
2011.0 0.764 20.4
2012.0 0.769 17.7
2013.0 0.775 15.1
2014.0 0.780 12.5
2015.0 0.785 9.9
2016.0 0.790 7.3
2017.0 0.794 4.8
2018.0 0.798 2.3
2019.0 0.802 359.9
2020.0 0.806 357.4
2021.0 0.809 355.0
2022.0 0.812 352.6
2023.0 0.815 350.2
2024.0 0.817 347.8
2025.0 0.819 345.4
2026.0 0.820 343.1
2027.0 0.821 340.7
2028.0 0.821 338.4
2029.0 0.822 336.1
2030.0 0.821 333.7
2031.0 0.821 331.4
2032.0 0.819 329.0
2033.0 0.818 326.7
2034.0 0.816 324.3
2035.0 0.814 321.9
2036.0 0.812 319.5
2037.0 0.809 317.1
2038.0 0.806 314.7
2039.0 0.802 312.2
2040.0 0.799 309.8
2041.0 0.795 307.3
2042.0 0.791 304.8
2043.0 0.787 302.2
2044.0 0.783 299.7
2045.0 0.779 297.1
2046.0 0.775 294.4
2047.0 0.771 291.8
2048.0 0.766 289.1
2049.0 0.762 286.4
2050.0 0.758 283.7
2051.0 0.755 280.9
2052.0 0.751 278.1
2053.0 0.747 275.3
2054.0 0.744 272.5
2055.0 0.741 269.6
2056.0 0.739 266.7
2057.0 0.737 263.8
2058.0 0.735 260.9
2059.0 0.733 257.9
2060.0 0.732 255.0
2061.0 0.731 252.0
2062.0 0.731 249.1
2063.0 0.730 246.1
2064.0 0.731 243.1
2065.0 0.731 240.2
2066.0 0.733 237.2
2067.0 0.734 234.3
2068.0 0.736 231.4
2069.0 0.738 228.4
2070.0 0.740 225.5
2071.0 0.743 222.7
2072.0 0.745 219.8
2073.0 0.748 217.0
2074.0 0.752 214.2
2075.0 0.755 211.4
2076.0 0.758 208.6
2077.0 0.761 205.9
2078.0 0.765 203.2
2079.0 0.768 200.5
2080.0 0.771 197.8
2081.0 0.775 195.2
2082.0 0.778 192.5
2083.0 0.780 189.9
2084.0 0.783 187.3
2085.0 0.785 184.8
2086.0 0.788 182.2
2087.0 0.789 179.7
2088.0 0.791 177.1
2089.0 0.792 174.6
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 .
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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