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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:45:09
WDS:
B1115
WDS ID/Discoverer
P:
136.360
Orbital period (years)
a:
0.33
Semi-major axis (arcseconds)
i:
142.1
Inclination (degrees)
Ω:
103.4
Longitude of ascending node (degrees)
T:
2005.756
Epoch of periastron passage (year)
e:
0.442
Eccentricity
ω:
270.4
Longitude of periastron (degrees)
Start-Year:
1957.0
Year
End-Year:
2093.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
091231.92-403153.6
Epoch-2000 right ascension and declination
WDS-ID:
09125-4032
WDS designation
Discoverer Code:
B1115
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
79400
HD catalog number
Hipparcos number:
45191
Hipparcos catalog number
V1:
9.32
Magnitude of the primary
V2:
9.83
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2022
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 0.290 93.4
-------------------------
1957.0 0.370 344.6
1958.0 0.369 343.1
1959.0 0.368 341.6
1960.0 0.367 340.1
1961.0 0.366 338.6
1962.0 0.365 337.1
1963.0 0.364 335.5
1964.0 0.363 334.0
1965.0 0.361 332.4
1966.0 0.360 330.9
1967.0 0.358 329.3
1968.0 0.357 327.7
1969.0 0.355 326.1
1970.0 0.353 324.5
1971.0 0.351 322.8
1972.0 0.348 321.2
1973.0 0.346 319.5
1974.0 0.343 317.8
1975.0 0.340 316.0
1976.0 0.337 314.2
1977.0 0.334 312.4
1978.0 0.331 310.6
1979.0 0.327 308.7
1980.0 0.323 306.8
1981.0 0.319 304.8
1982.0 0.315 302.8
1983.0 0.310 300.7
1984.0 0.305 298.6
1985.0 0.299 296.3
1986.0 0.294 294.0
1987.0 0.288 291.6
1988.0 0.281 289.1
1989.0 0.274 286.5
1990.0 0.267 283.7
1991.0 0.259 280.7
1992.0 0.251 277.6
1993.0 0.243 274.3
1994.0 0.234 270.7
1995.0 0.225 266.8
1996.0 0.215 262.6
1997.0 0.206 258.0
1998.0 0.196 253.0
1999.0 0.186 247.4
2000.0 0.177 241.2
2001.0 0.168 234.4
2002.0 0.160 226.8
2003.0 0.154 218.5
2004.0 0.149 209.6
2005.0 0.146 200.2
2006.0 0.145 190.5
2007.0 0.147 181.0
2008.0 0.151 171.8
2009.0 0.157 163.2
2010.0 0.164 155.4
2011.0 0.173 148.2
2012.0 0.182 141.7
2013.0 0.191 135.8
2014.0 0.201 130.6
2015.0 0.211 125.8
2016.0 0.220 121.4
2017.0 0.230 117.4
2018.0 0.239 113.7
2019.0 0.247 110.2
2020.0 0.255 107.0
2021.0 0.263 104.0
2022.0 0.271 101.1
2023.0 0.278 98.4
2024.0 0.284 95.8
2025.0 0.290 93.4
2026.0 0.296 91.0
2027.0 0.302 88.7
2028.0 0.307 86.5
2029.0 0.312 84.4
2030.0 0.316 82.3
2031.0 0.320 80.3
2032.0 0.324 78.4
2033.0 0.328 76.4
2034.0 0.332 74.6
2035.0 0.335 72.7
2036.0 0.338 70.9
2037.0 0.341 69.2
2038.0 0.343 67.4
2039.0 0.346 65.7
2040.0 0.348 64.0
2041.0 0.350 62.4
2042.0 0.352 60.7
2043.0 0.354 59.1
2044.0 0.356 57.5
2045.0 0.358 55.9
2046.0 0.359 54.3
2047.0 0.361 52.7
2048.0 0.362 51.2
2049.0 0.363 49.6
2050.0 0.364 48.1
2051.0 0.366 46.6
2052.0 0.367 45.0
2053.0 0.367 43.5
2054.0 0.368 42.0
2055.0 0.369 40.5
2056.0 0.370 39.0
2057.0 0.370 37.6
2058.0 0.371 36.1
2059.0 0.372 34.6
2060.0 0.372 33.1
2061.0 0.373 31.7
2062.0 0.373 30.2
2063.0 0.373 28.7
2064.0 0.374 27.3
2065.0 0.374 25.8
2066.0 0.374 24.4
2067.0 0.375 22.9
2068.0 0.375 21.5
2069.0 0.375 20.0
2070.0 0.375 18.6
2071.0 0.375 17.1
2072.0 0.375 15.7
2073.0 0.375 14.2
2074.0 0.376 12.8
2075.0 0.376 11.4
2076.0 0.376 9.9
2077.0 0.375 8.5
2078.0 0.375 7.0
2079.0 0.375 5.6
2080.0 0.375 4.1
2081.0 0.375 2.7
2082.0 0.375 1.2
2083.0 0.375 359.8
2084.0 0.374 358.3
2085.0 0.374 356.9
2086.0 0.374 355.4
2087.0 0.373 354.0
2088.0 0.373 352.5
2089.0 0.372 351.0
2090.0 0.372 349.6
2091.0 0.371 348.1
2092.0 0.371 346.6
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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