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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:43:00
WDS:
A1146
WDS ID/Discoverer
P:
133.810
Orbital period (years)
a:
0.411
Semi-major axis (arcseconds)
i:
102.0
Inclination (degrees)
Ω:
117.6
Longitude of ascending node (degrees)
T:
2024.050
Epoch of periastron passage (year)
e:
0.055
Eccentricity
ω:
80.3
Longitude of periastron (degrees)
Start-Year:
1959.0
Year
End-Year:
2091.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
170338.52+694753.4
Epoch-2000 right ascension and declination
WDS-ID:
17036+6948
WDS designation
Discoverer Code:
A1146
Discover designation and components
ADS number:
10340
Aitken Double Star catalog
HD number:
155090
HD catalog number
Hipparcos number:
83477
Hipparcos catalog number
V1:
8.15
Magnitude of the primary
V2:
9.80
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2004
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 0.093 57.6
-------------------------
1959.0 0.098 231.3
1960.0 0.092 220.9
1961.0 0.090 209.5
1962.0 0.091 197.9
1963.0 0.096 187.1
1964.0 0.103 177.5
1965.0 0.113 169.4
1966.0 0.124 162.6
1967.0 0.137 157.1
1968.0 0.150 152.5
1969.0 0.164 148.7
1970.0 0.178 145.4
1971.0 0.193 142.7
1972.0 0.207 140.3
1973.0 0.221 138.2
1974.0 0.235 136.4
1975.0 0.249 134.8
1976.0 0.262 133.4
1977.0 0.276 132.1
1978.0 0.288 130.9
1979.0 0.300 129.8
1980.0 0.312 128.8
1981.0 0.323 127.9
1982.0 0.334 127.0
1983.0 0.344 126.2
1984.0 0.353 125.4
1985.0 0.362 124.6
1986.0 0.370 123.9
1987.0 0.377 123.3
1988.0 0.384 122.6
1989.0 0.390 122.0
1990.0 0.394 121.4
1991.0 0.399 120.8
1992.0 0.402 120.2
1993.0 0.404 119.6
1994.0 0.406 119.0
1995.0 0.407 118.5
1996.0 0.406 117.9
1997.0 0.405 117.3
1998.0 0.403 116.7
1999.0 0.401 116.2
2000.0 0.397 115.6
2001.0 0.392 115.0
2002.0 0.387 114.3
2003.0 0.380 113.7
2004.0 0.373 113.0
2005.0 0.365 112.3
2006.0 0.356 111.6
2007.0 0.346 110.8
2008.0 0.336 110.0
2009.0 0.325 109.2
2010.0 0.313 108.2
2011.0 0.300 107.2
2012.0 0.287 106.1
2013.0 0.273 104.9
2014.0 0.258 103.6
2015.0 0.243 102.1
2016.0 0.227 100.4
2017.0 0.212 98.4
2018.0 0.196 96.1
2019.0 0.179 93.4
2020.0 0.163 90.2
2021.0 0.147 86.3
2022.0 0.132 81.4
2023.0 0.117 75.3
2024.0 0.104 67.5
2025.0 0.093 57.6
2026.0 0.085 45.5
2027.0 0.081 31.6
2028.0 0.082 17.3
2029.0 0.088 4.1
2030.0 0.097 353.0
2031.0 0.110 344.1
2032.0 0.124 337.1
2033.0 0.139 331.6
2034.0 0.155 327.2
2035.0 0.171 323.6
2036.0 0.187 320.7
2037.0 0.203 318.2
2038.0 0.219 316.1
2039.0 0.235 314.2
2040.0 0.250 312.6
2041.0 0.265 311.2
2042.0 0.280 310.0
2043.0 0.293 308.8
2044.0 0.307 307.8
2045.0 0.319 306.8
2046.0 0.331 305.9
2047.0 0.342 305.1
2048.0 0.353 304.3
2049.0 0.363 303.5
2050.0 0.371 302.8
2051.0 0.379 302.2
2052.0 0.387 301.5
2053.0 0.393 300.9
2054.0 0.399 300.3
2055.0 0.403 299.7
2056.0 0.407 299.2
2057.0 0.410 298.6
2058.0 0.413 298.0
2059.0 0.414 297.5
2060.0 0.414 296.9
2061.0 0.414 296.4
2062.0 0.413 295.8
2063.0 0.410 295.3
2064.0 0.408 294.7
2065.0 0.404 294.1
2066.0 0.399 293.5
2067.0 0.394 293.0
2068.0 0.388 292.3
2069.0 0.381 291.7
2070.0 0.374 291.0
2071.0 0.365 290.3
2072.0 0.357 289.6
2073.0 0.347 288.9
2074.0 0.337 288.1
2075.0 0.326 287.2
2076.0 0.315 286.3
2077.0 0.303 285.3
2078.0 0.291 284.2
2079.0 0.278 283.0
2080.0 0.265 281.8
2081.0 0.251 280.4
2082.0 0.238 278.8
2083.0 0.223 277.0
2084.0 0.209 275.0
2085.0 0.195 272.7
2086.0 0.180 270.0
2087.0 0.166 266.8
2088.0 0.152 263.1
2089.0 0.139 258.6
2090.0 0.126 253.2
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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