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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:40:10
WDS:
A349
WDS ID/Discoverer
P:
135.690
Orbital period (years)
a:
0.435
Semi-major axis (arcseconds)
i:
165.1
Inclination (degrees)
Ω:
316.1
Longitude of ascending node (degrees)
T:
1951.280
Epoch of periastron passage (year)
e:
0.532
Eccentricity
ω:
8.5
Longitude of periastron (degrees)
Start-Year:
1958.0
Year
End-Year:
2092.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
164117.67+300636.2
Epoch-2000 right ascension and declination
WDS-ID:
16413+3006
WDS designation
Discoverer Code:
A349
Discover designation and components
ADS number:
10158
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
81694
Hipparcos catalog number
V1:
10.66
Magnitude of the primary
V2:
10.91
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2010
Date of last observation
Orbit grade:
3
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.661 122.4
-------------------------
1958.0 0.240 248.0
1959.0 0.250 241.2
1960.0 0.261 234.9
1961.0 0.273 229.1
1962.0 0.285 223.8
1963.0 0.297 219.0
1964.0 0.310 214.5
1965.0 0.322 210.4
1966.0 0.335 206.6
1967.0 0.347 203.0
1968.0 0.360 199.7
1969.0 0.372 196.7
1970.0 0.384 193.8
1971.0 0.396 191.1
1972.0 0.407 188.5
1973.0 0.419 186.1
1974.0 0.430 183.8
1975.0 0.441 181.7
1976.0 0.451 179.6
1977.0 0.462 177.6
1978.0 0.472 175.8
1979.0 0.482 173.9
1980.0 0.491 172.2
1981.0 0.500 170.5
1982.0 0.509 168.9
1983.0 0.518 167.4
1984.0 0.527 165.9
1985.0 0.535 164.4
1986.0 0.543 163.0
1987.0 0.550 161.6
1988.0 0.558 160.3
1989.0 0.565 159.0
1990.0 0.572 157.7
1991.0 0.578 156.5
1992.0 0.585 155.2
1993.0 0.591 154.1
1994.0 0.597 152.9
1995.0 0.602 151.7
1996.0 0.608 150.6
1997.0 0.613 149.5
1998.0 0.618 148.4
1999.0 0.622 147.4
2000.0 0.627 146.3
2001.0 0.631 145.3
2002.0 0.635 144.2
2003.0 0.638 143.2
2004.0 0.642 142.2
2005.0 0.645 141.2
2006.0 0.648 140.3
2007.0 0.651 139.3
2008.0 0.653 138.3
2009.0 0.656 137.4
2010.0 0.658 136.4
2011.0 0.659 135.5
2012.0 0.661 134.5
2013.0 0.662 133.6
2014.0 0.664 132.6
2015.0 0.664 131.7
2016.0 0.665 130.8
2017.0 0.666 129.9
2018.0 0.666 128.9
2019.0 0.666 128.0
2020.0 0.666 127.1
2021.0 0.665 126.1
2022.0 0.665 125.2
2023.0 0.664 124.3
2024.0 0.663 123.4
2025.0 0.661 122.4
2026.0 0.660 121.5
2027.0 0.658 120.5
2028.0 0.656 119.6
2029.0 0.654 118.6
2030.0 0.652 117.7
2031.0 0.649 116.7
2032.0 0.646 115.7
2033.0 0.643 114.7
2034.0 0.640 113.7
2035.0 0.636 112.7
2036.0 0.632 111.7
2037.0 0.628 110.6
2038.0 0.624 109.6
2039.0 0.619 108.5
2040.0 0.615 107.5
2041.0 0.610 106.4
2042.0 0.605 105.3
2043.0 0.599 104.1
2044.0 0.594 103.0
2045.0 0.588 101.8
2046.0 0.581 100.6
2047.0 0.575 99.4
2048.0 0.568 98.1
2049.0 0.562 96.8
2050.0 0.554 95.5
2051.0 0.547 94.1
2052.0 0.539 92.7
2053.0 0.532 91.3
2054.0 0.524 89.8
2055.0 0.515 88.3
2056.0 0.507 86.7
2057.0 0.498 85.1
2058.0 0.489 83.4
2059.0 0.479 81.7
2060.0 0.470 79.8
2061.0 0.460 77.9
2062.0 0.450 75.9
2063.0 0.439 73.9
2064.0 0.429 71.7
2065.0 0.418 69.4
2066.0 0.407 67.0
2067.0 0.395 64.4
2068.0 0.384 61.7
2069.0 0.372 58.8
2070.0 0.360 55.8
2071.0 0.349 52.5
2072.0 0.337 49.0
2073.0 0.324 45.2
2074.0 0.312 41.2
2075.0 0.300 36.8
2076.0 0.288 32.1
2077.0 0.277 26.9
2078.0 0.265 21.3
2079.0 0.254 15.2
2080.0 0.244 8.6
2081.0 0.235 1.4
2082.0 0.226 353.7
2083.0 0.218 345.3
2084.0 0.212 336.5
2085.0 0.208 327.1
2086.0 0.205 317.5
2087.0 0.203 307.6
2088.0 0.204 297.7
2089.0 0.207 287.9
2090.0 0.211 278.5
2091.0 0.217 269.5
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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