Content-Type: text/html; charset=UTF-8
Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:12:25
WDS:
STT406
WDS ID/Discoverer
P:
112.160
Orbital period (years)
a:
0.3
Semi-major axis (arcseconds)
i:
141.2
Inclination (degrees)
Ω:
124.0
Longitude of ascending node (degrees)
T:
1915.570
Epoch of periastron passage (year)
e:
0.855
Eccentricity
ω:
184.4
Longitude of periastron (degrees)
Start-Year:
1969.0
Year
End-Year:
2081.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
201949.69+452149.7
Epoch-2000 right ascension and declination
WDS-ID:
20198+4522
WDS designation
Discoverer Code:
STT406
Discover designation and components
ADS number:
13723
Aitken Double Star catalog
HD number:
193701
HD catalog number
Hipparcos number:
100241
Hipparcos catalog number
V1:
7.25
Magnitude of the primary
V2:
8.74
Magnitude of the secondary
Equinox:
Equinox
Date:
2021
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 0.083 48.8
-------------------------
1969.0 0.555 121.6
1970.0 0.556 121.2
1971.0 0.556 120.8
1972.0 0.556 120.4
1973.0 0.555 120.1
1974.0 0.555 119.7
1975.0 0.554 119.3
1976.0 0.553 118.9
1977.0 0.552 118.5
1978.0 0.550 118.2
1979.0 0.548 117.8
1980.0 0.546 117.4
1981.0 0.544 117.0
1982.0 0.541 116.6
1983.0 0.538 116.2
1984.0 0.535 115.8
1985.0 0.532 115.4
1986.0 0.528 114.9
1987.0 0.524 114.5
1988.0 0.520 114.1
1989.0 0.515 113.7
1990.0 0.510 113.2
1991.0 0.505 112.8
1992.0 0.500 112.3
1993.0 0.494 111.8
1994.0 0.489 111.3
1995.0 0.482 110.9
1996.0 0.476 110.3
1997.0 0.469 109.8
1998.0 0.462 109.3
1999.0 0.454 108.7
2000.0 0.446 108.1
2001.0 0.438 107.6
2002.0 0.430 106.9
2003.0 0.421 106.3
2004.0 0.411 105.6
2005.0 0.402 104.9
2006.0 0.392 104.2
2007.0 0.381 103.4
2008.0 0.370 102.6
2009.0 0.359 101.7
2010.0 0.347 100.7
2011.0 0.334 99.7
2012.0 0.321 98.6
2013.0 0.308 97.5
2014.0 0.293 96.2
2015.0 0.279 94.7
2016.0 0.263 93.1
2017.0 0.247 91.3
2018.0 0.230 89.3
2019.0 0.212 86.9
2020.0 0.193 84.0
2021.0 0.173 80.5
2022.0 0.152 76.1
2023.0 0.130 70.2
2024.0 0.107 61.9
2025.0 0.083 48.8
2026.0 0.061 25.7
2027.0 0.047 343.3
2028.0 0.043 283.7
2029.0 0.052 228.1
2030.0 0.074 197.0
2031.0 0.099 181.0
2032.0 0.124 171.6
2033.0 0.148 165.2
2034.0 0.170 160.6
2035.0 0.191 157.0
2036.0 0.211 154.1
2037.0 0.229 151.7
2038.0 0.247 149.6
2039.0 0.264 147.8
2040.0 0.280 146.3
2041.0 0.295 144.8
2042.0 0.310 143.6
2043.0 0.324 142.4
2044.0 0.337 141.3
2045.0 0.349 140.3
2046.0 0.362 139.4
2047.0 0.373 138.6
2048.0 0.384 137.7
2049.0 0.395 137.0
2050.0 0.405 136.2
2051.0 0.415 135.5
2052.0 0.424 134.9
2053.0 0.433 134.2
2054.0 0.442 133.6
2055.0 0.450 133.0
2056.0 0.458 132.5
2057.0 0.465 131.9
2058.0 0.472 131.4
2059.0 0.479 130.9
2060.0 0.486 130.4
2061.0 0.492 129.9
2062.0 0.498 129.4
2063.0 0.503 129.0
2064.0 0.508 128.5
2065.0 0.513 128.0
2066.0 0.518 127.6
2067.0 0.522 127.2
2068.0 0.526 126.8
2069.0 0.530 126.3
2070.0 0.534 125.9
2071.0 0.537 125.5
2072.0 0.540 125.1
2073.0 0.543 124.7
2074.0 0.545 124.3
2075.0 0.547 123.9
2076.0 0.549 123.5
2077.0 0.551 123.2
2078.0 0.552 122.8
2079.0 0.554 122.4
2080.0 0.555 122.0
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 .
www.stella-vega.de