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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:37:36
WDS:
B1923
WDS ID/Discoverer
P:
106.300
Orbital period (years)
a:
0.568
Semi-major axis (arcseconds)
i:
114.7
Inclination (degrees)
Ω:
42.4
Longitude of ascending node (degrees)
T:
2010.020
Epoch of periastron passage (year)
e:
0.384
Eccentricity
ω:
63.4
Longitude of periastron (degrees)
Start-Year:
1972.0
Year
End-Year:
2078.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
024127.29-712745.0
Epoch-2000 right ascension and declination
WDS-ID:
02415-7128
WDS designation
Discoverer Code:
B1923
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
17215
HD catalog number
Hipparcos number:
12548
Hipparcos catalog number
V1:
8.13
Magnitude of the primary
V2:
9.31
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2021
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 0.469 232.0
-------------------------
1972.0 0.310 134.5
1973.0 0.307 130.1
1974.0 0.306 125.6
1975.0 0.306 121.1
1976.0 0.307 116.6
1977.0 0.310 112.2
1978.0 0.314 107.9
1979.0 0.320 103.7
1980.0 0.326 99.6
1981.0 0.333 95.7
1982.0 0.341 92.0
1983.0 0.350 88.5
1984.0 0.358 85.1
1985.0 0.368 81.9
1986.0 0.377 78.9
1987.0 0.387 76.0
1988.0 0.396 73.2
1989.0 0.405 70.6
1990.0 0.413 68.1
1991.0 0.421 65.6
1992.0 0.427 63.3
1993.0 0.433 61.0
1994.0 0.438 58.8
1995.0 0.441 56.6
1996.0 0.442 54.5
1997.0 0.442 52.3
1998.0 0.440 50.1
1999.0 0.435 47.9
2000.0 0.428 45.7
2001.0 0.418 43.3
2002.0 0.405 40.8
2003.0 0.389 38.1
2004.0 0.370 35.2
2005.0 0.348 31.9
2006.0 0.322 28.2
2007.0 0.295 23.7
2008.0 0.265 18.4
2009.0 0.234 11.6
2010.0 0.205 2.8
2011.0 0.178 351.1
2012.0 0.159 336.1
2013.0 0.150 318.2
2014.0 0.156 300.0
2015.0 0.173 284.1
2016.0 0.198 271.8
2017.0 0.229 262.4
2018.0 0.261 255.4
2019.0 0.295 249.9
2020.0 0.327 245.5
2021.0 0.359 241.9
2022.0 0.389 238.9
2023.0 0.418 236.3
2024.0 0.444 234.1
2025.0 0.469 232.0
2026.0 0.492 230.2
2027.0 0.513 228.5
2028.0 0.532 227.0
2029.0 0.550 225.6
2030.0 0.565 224.2
2031.0 0.579 222.9
2032.0 0.592 221.7
2033.0 0.603 220.5
2034.0 0.612 219.4
2035.0 0.620 218.3
2036.0 0.626 217.2
2037.0 0.631 216.1
2038.0 0.635 215.1
2039.0 0.638 214.0
2040.0 0.639 213.0
2041.0 0.640 212.0
2042.0 0.639 210.9
2043.0 0.638 209.9
2044.0 0.635 208.8
2045.0 0.631 207.8
2046.0 0.627 206.7
2047.0 0.622 205.7
2048.0 0.616 204.6
2049.0 0.609 203.4
2050.0 0.602 202.3
2051.0 0.594 201.1
2052.0 0.585 199.9
2053.0 0.576 198.6
2054.0 0.566 197.3
2055.0 0.556 196.0
2056.0 0.545 194.6
2057.0 0.534 193.2
2058.0 0.522 191.6
2059.0 0.510 190.1
2060.0 0.498 188.4
2061.0 0.486 186.7
2062.0 0.473 184.8
2063.0 0.461 182.9
2064.0 0.448 180.9
2065.0 0.435 178.7
2066.0 0.423 176.4
2067.0 0.410 174.0
2068.0 0.398 171.4
2069.0 0.386 168.6
2070.0 0.375 165.7
2071.0 0.364 162.6
2072.0 0.353 159.3
2073.0 0.344 155.9
2074.0 0.335 152.2
2075.0 0.327 148.4
2076.0 0.320 144.3
2077.0 0.315 140.2
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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