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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:33:53
WDS:
A2869
WDS ID/Discoverer
P:
143.690
Orbital period (years)
a:
0.214
Semi-major axis (arcseconds)
i:
155.5
Inclination (degrees)
Ω:
304.7
Longitude of ascending node (degrees)
T:
1995.890
Epoch of periastron passage (year)
e:
0.773
Eccentricity
ω:
48.1
Longitude of periastron (degrees)
Start-Year:
1954.0
Year
End-Year:
2096.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
073027.65+074309.3
Epoch-2000 right ascension and declination
WDS-ID:
07305+0743
WDS designation
Discoverer Code:
A2869
Discover designation and components
ADS number:
6138
Aitken Double Star catalog
HD number:
59473
HD catalog number
Hipparcos number:
36487
Hipparcos catalog number
V1:
8.3
Magnitude of the primary
V2:
8.5
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2018
Date of last observation
Orbit grade:
3
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 0.277 104.8
-------------------------
1954.0 0.308 62.2
1955.0 0.305 61.5
1956.0 0.302 60.8
1957.0 0.298 60.1
1958.0 0.294 59.3
1959.0 0.291 58.5
1960.0 0.287 57.7
1961.0 0.283 56.9
1962.0 0.278 56.1
1963.0 0.274 55.2
1964.0 0.270 54.3
1965.0 0.265 53.4
1966.0 0.260 52.4
1967.0 0.256 51.4
1968.0 0.251 50.4
1969.0 0.246 49.3
1970.0 0.240 48.2
1971.0 0.235 47.0
1972.0 0.229 45.8
1973.0 0.224 44.5
1974.0 0.218 43.2
1975.0 0.212 41.7
1976.0 0.205 40.2
1977.0 0.199 38.6
1978.0 0.192 36.8
1979.0 0.186 35.0
1980.0 0.179 33.0
1981.0 0.171 30.8
1982.0 0.164 28.5
1983.0 0.156 25.9
1984.0 0.148 23.0
1985.0 0.140 19.9
1986.0 0.132 16.3
1987.0 0.123 12.2
1988.0 0.114 7.5
1989.0 0.105 2.0
1990.0 0.096 355.5
1991.0 0.086 347.5
1992.0 0.077 337.6
1993.0 0.067 324.7
1994.0 0.058 307.8
1995.0 0.050 285.0
1996.0 0.046 255.9
1997.0 0.048 224.9
1998.0 0.055 199.2
1999.0 0.066 180.9
2000.0 0.078 168.0
2001.0 0.090 158.5
2002.0 0.102 151.4
2003.0 0.114 145.7
2004.0 0.125 141.0
2005.0 0.135 137.1
2006.0 0.146 133.7
2007.0 0.155 130.8
2008.0 0.164 128.2
2009.0 0.173 125.9
2010.0 0.182 123.8
2011.0 0.190 121.9
2012.0 0.198 120.1
2013.0 0.205 118.5
2014.0 0.213 116.9
2015.0 0.220 115.5
2016.0 0.226 114.2
2017.0 0.233 112.9
2018.0 0.239 111.7
2019.0 0.245 110.6
2020.0 0.251 109.5
2021.0 0.256 108.5
2022.0 0.262 107.5
2023.0 0.267 106.6
2024.0 0.272 105.7
2025.0 0.277 104.8
2026.0 0.281 103.9
2027.0 0.286 103.1
2028.0 0.290 102.3
2029.0 0.294 101.5
2030.0 0.298 100.8
2031.0 0.302 100.0
2032.0 0.306 99.3
2033.0 0.310 98.6
2034.0 0.313 97.9
2035.0 0.316 97.3
2036.0 0.319 96.6
2037.0 0.322 96.0
2038.0 0.325 95.3
2039.0 0.328 94.7
2040.0 0.331 94.1
2041.0 0.333 93.5
2042.0 0.336 92.9
2043.0 0.338 92.3
2044.0 0.340 91.8
2045.0 0.342 91.2
2046.0 0.344 90.6
2047.0 0.346 90.1
2048.0 0.348 89.5
2049.0 0.349 89.0
2050.0 0.351 88.4
2051.0 0.352 87.9
2052.0 0.354 87.4
2053.0 0.355 86.8
2054.0 0.356 86.3
2055.0 0.357 85.8
2056.0 0.358 85.3
2057.0 0.359 84.8
2058.0 0.359 84.2
2059.0 0.360 83.7
2060.0 0.360 83.2
2061.0 0.361 82.7
2062.0 0.361 82.2
2063.0 0.361 81.7
2064.0 0.361 81.2
2065.0 0.361 80.7
2066.0 0.361 80.2
2067.0 0.361 79.7
2068.0 0.361 79.2
2069.0 0.360 78.7
2070.0 0.360 78.1
2071.0 0.359 77.6
2072.0 0.359 77.1
2073.0 0.358 76.6
2074.0 0.357 76.1
2075.0 0.356 75.6
2076.0 0.355 75.0
2077.0 0.354 74.5
2078.0 0.353 74.0
2079.0 0.351 73.4
2080.0 0.350 72.9
2081.0 0.349 72.4
2082.0 0.347 71.8
2083.0 0.345 71.3
2084.0 0.343 70.7
2085.0 0.341 70.1
2086.0 0.339 69.6
2087.0 0.337 69.0
2088.0 0.335 68.4
2089.0 0.333 67.8
2090.0 0.330 67.2
2091.0 0.328 66.6
2092.0 0.325 66.0
2093.0 0.323 65.3
2094.0 0.320 64.7
2095.0 0.317 64.1
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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