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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:46:23
WDS:
HU922AA,AB
WDS ID/Discoverer
P:
132.400
Orbital period (years)
a:
0.299
Semi-major axis (arcseconds)
i:
137.6
Inclination (degrees)
Ω:
203.1
Longitude of ascending node (degrees)
T:
1995.120
Epoch of periastron passage (year)
e:
0.462
Eccentricity
ω:
58.1
Longitude of periastron (degrees)
Start-Year:
1959.0
Year
End-Year:
2091.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
172503.29+344355.4
Epoch-2000 right ascension and declination
WDS-ID:
17251+3444
WDS designation
Discoverer Code:
HU922AA,AB
Discover designation and components
ADS number:
10542
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
85238
Hipparcos catalog number
V1:
10.21
Magnitude of the primary
V2:
11.03
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2013
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 0.336 16.1
-------------------------
1959.0 0.274 284.9
1960.0 0.272 282.8
1961.0 0.269 280.6
1962.0 0.267 278.4
1963.0 0.264 276.1
1964.0 0.261 273.8
1965.0 0.259 271.5
1966.0 0.257 269.1
1967.0 0.254 266.7
1968.0 0.252 264.2
1969.0 0.250 261.6
1970.0 0.247 259.1
1971.0 0.245 256.4
1972.0 0.243 253.8
1973.0 0.241 251.0
1974.0 0.238 248.3
1975.0 0.236 245.4
1976.0 0.234 242.6
1977.0 0.231 239.6
1978.0 0.228 236.6
1979.0 0.225 233.5
1980.0 0.222 230.3
1981.0 0.219 227.0
1982.0 0.215 223.7
1983.0 0.211 220.2
1984.0 0.207 216.5
1985.0 0.202 212.7
1986.0 0.197 208.7
1987.0 0.191 204.5
1988.0 0.185 200.0
1989.0 0.178 195.1
1990.0 0.170 189.9
1991.0 0.163 184.1
1992.0 0.155 177.8
1993.0 0.147 170.8
1994.0 0.139 163.0
1995.0 0.133 154.3
1996.0 0.127 144.9
1997.0 0.124 134.8
1998.0 0.123 124.3
1999.0 0.125 113.9
2000.0 0.128 103.9
2001.0 0.134 94.7
2002.0 0.142 86.3
2003.0 0.151 78.9
2004.0 0.161 72.4
2005.0 0.172 66.6
2006.0 0.183 61.5
2007.0 0.193 57.0
2008.0 0.204 53.0
2009.0 0.215 49.4
2010.0 0.225 46.1
2011.0 0.235 43.1
2012.0 0.245 40.3
2013.0 0.254 37.8
2014.0 0.263 35.4
2015.0 0.272 33.2
2016.0 0.280 31.1
2017.0 0.288 29.1
2018.0 0.295 27.2
2019.0 0.302 25.4
2020.0 0.309 23.7
2021.0 0.315 22.1
2022.0 0.321 20.5
2023.0 0.326 19.0
2024.0 0.332 17.5
2025.0 0.336 16.1
2026.0 0.341 14.7
2027.0 0.345 13.4
2028.0 0.349 12.0
2029.0 0.353 10.7
2030.0 0.356 9.5
2031.0 0.359 8.2
2032.0 0.362 7.0
2033.0 0.365 5.8
2034.0 0.367 4.6
2035.0 0.369 3.4
2036.0 0.371 2.3
2037.0 0.372 1.1
2038.0 0.374 360.0
2039.0 0.375 358.8
2040.0 0.376 357.7
2041.0 0.377 356.6
2042.0 0.377 355.5
2043.0 0.378 354.3
2044.0 0.378 353.2
2045.0 0.378 352.1
2046.0 0.378 351.0
2047.0 0.378 349.9
2048.0 0.377 348.8
2049.0 0.376 347.6
2050.0 0.376 346.5
2051.0 0.375 345.4
2052.0 0.374 344.3
2053.0 0.373 343.1
2054.0 0.371 342.0
2055.0 0.370 340.8
2056.0 0.368 339.6
2057.0 0.367 338.5
2058.0 0.365 337.3
2059.0 0.363 336.1
2060.0 0.361 334.9
2061.0 0.359 333.6
2062.0 0.357 332.4
2063.0 0.355 331.1
2064.0 0.352 329.9
2065.0 0.350 328.6
2066.0 0.347 327.3
2067.0 0.345 325.9
2068.0 0.342 324.6
2069.0 0.340 323.2
2070.0 0.337 321.8
2071.0 0.334 320.4
2072.0 0.331 319.0
2073.0 0.328 317.5
2074.0 0.326 316.0
2075.0 0.323 314.5
2076.0 0.320 313.0
2077.0 0.317 311.4
2078.0 0.314 309.8
2079.0 0.311 308.1
2080.0 0.308 306.5
2081.0 0.305 304.8
2082.0 0.302 303.0
2083.0 0.299 301.3
2084.0 0.296 299.5
2085.0 0.293 297.6
2086.0 0.290 295.8
2087.0 0.287 293.8
2088.0 0.284 291.9
2089.0 0.281 289.9
2090.0 0.278 287.9
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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