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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:39:28
WDS:
MAR1AA,AD
WDS ID/Discoverer
P:
113.970
Orbital period (years)
a:
0.685
Semi-major axis (arcseconds)
i:
38.63
Inclination (degrees)
Ω:
56.09
Longitude of ascending node (degrees)
T:
1965.270
Epoch of periastron passage (year)
e:
0.0
Eccentricity
ω:
0.0
Longitude of periastron (degrees)
Start-Year:
1969.0
Year
End-Year:
2081.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
230728.71+210803.3
Epoch-2000 right ascension and declination
WDS-ID:
23075+2108
WDS designation
Discoverer Code:
MAR1AA,AD
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
218396
HD catalog number
Hipparcos number:
114189
Hipparcos catalog number
V1:
5.38k
Magnitude of the primary
V2:
15.26k
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2014
Date of last observation
Orbit grade:
5
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 0.682 242.9
-------------------------
1969.0 0.679 65.3
1970.0 0.676 67.9
1971.0 0.672 70.4
1972.0 0.667 73.0
1973.0 0.662 75.6
1974.0 0.656 78.3
1975.0 0.649 81.0
1976.0 0.642 83.8
1977.0 0.635 86.6
1978.0 0.627 89.5
1979.0 0.619 92.5
1980.0 0.611 95.6
1981.0 0.602 98.7
1982.0 0.594 102.0
1983.0 0.586 105.3
1984.0 0.578 108.7
1985.0 0.571 112.2
1986.0 0.564 115.8
1987.0 0.557 119.5
1988.0 0.552 123.3
1989.0 0.547 127.1
1990.0 0.542 131.0
1991.0 0.539 135.0
1992.0 0.537 139.0
1993.0 0.535 143.0
1994.0 0.535 147.1
1995.0 0.536 151.1
1996.0 0.538 155.1
1997.0 0.540 159.1
1998.0 0.544 163.0
1999.0 0.549 166.9
2000.0 0.554 170.7
2001.0 0.560 174.4
2002.0 0.567 178.1
2003.0 0.574 181.6
2004.0 0.582 185.1
2005.0 0.590 188.5
2006.0 0.598 191.8
2007.0 0.606 195.0
2008.0 0.615 198.1
2009.0 0.623 201.1
2010.0 0.631 204.0
2011.0 0.638 206.9
2012.0 0.646 209.7
2013.0 0.652 212.5
2014.0 0.659 215.2
2015.0 0.664 217.8
2016.0 0.670 220.4
2017.0 0.674 223.0
2018.0 0.678 225.5
2019.0 0.681 228.0
2020.0 0.683 230.5
2021.0 0.684 233.0
2022.0 0.685 235.5
2023.0 0.685 237.9
2024.0 0.684 240.4
2025.0 0.682 242.9
2026.0 0.679 245.4
2027.0 0.676 247.9
2028.0 0.672 250.5
2029.0 0.667 253.0
2030.0 0.662 255.7
2031.0 0.656 258.3
2032.0 0.649 261.0
2033.0 0.642 263.8
2034.0 0.635 266.7
2035.0 0.627 269.6
2036.0 0.619 272.6
2037.0 0.611 275.6
2038.0 0.602 278.8
2039.0 0.594 282.0
2040.0 0.586 285.3
2041.0 0.578 288.8
2042.0 0.571 292.3
2043.0 0.564 295.9
2044.0 0.557 299.6
2045.0 0.551 303.3
2046.0 0.546 307.2
2047.0 0.542 311.1
2048.0 0.539 315.0
2049.0 0.537 319.0
2050.0 0.535 323.1
2051.0 0.535 327.1
2052.0 0.536 331.1
2053.0 0.538 335.2
2054.0 0.541 339.2
2055.0 0.544 343.1
2056.0 0.549 347.0
2057.0 0.554 350.8
2058.0 0.560 354.5
2059.0 0.567 358.1
2060.0 0.574 1.7
2061.0 0.582 5.2
2062.0 0.590 8.5
2063.0 0.598 11.8
2064.0 0.606 15.0
2065.0 0.615 18.1
2066.0 0.623 21.1
2067.0 0.631 24.1
2068.0 0.638 27.0
2069.0 0.646 29.8
2070.0 0.652 32.5
2071.0 0.659 35.2
2072.0 0.665 37.9
2073.0 0.670 40.5
2074.0 0.674 43.0
2075.0 0.678 45.6
2076.0 0.681 48.1
2077.0 0.683 50.6
2078.0 0.684 53.0
2079.0 0.685 55.5
2080.0 0.685 58.0
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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