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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:55:28
WDS:
B1352
WDS ID/Discoverer
P:
123.840
Orbital period (years)
a:
0.257
Semi-major axis (arcseconds)
i:
51.4
Inclination (degrees)
Ω:
240.0
Longitude of ascending node (degrees)
T:
2039.290
Epoch of periastron passage (year)
e:
0.45
Eccentricity
ω:
81.9
Longitude of periastron (degrees)
Start-Year:
1964.0
Year
End-Year:
2086.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
181046.22-352840.9
Epoch-2000 right ascension and declination
WDS-ID:
18108-3529
WDS designation
Discoverer Code:
B1352
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
166136
HD catalog number
Hipparcos number:
89076
Hipparcos catalog number
V1:
9.88
Magnitude of the primary
V2:
9.87
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2015
Date of last observation
Orbit grade:
4
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 0.206 233.8
-------------------------
1964.0 0.254 113.2
1965.0 0.253 114.9
1966.0 0.251 116.6
1967.0 0.250 118.3
1968.0 0.248 120.0
1969.0 0.247 121.8
1970.0 0.245 123.5
1971.0 0.244 125.3
1972.0 0.243 127.1
1973.0 0.241 128.9
1974.0 0.240 130.8
1975.0 0.239 132.7
1976.0 0.238 134.5
1977.0 0.236 136.4
1978.0 0.235 138.4
1979.0 0.234 140.3
1980.0 0.233 142.3
1981.0 0.233 144.2
1982.0 0.232 146.2
1983.0 0.231 148.2
1984.0 0.231 150.2
1985.0 0.230 152.2
1986.0 0.230 154.3
1987.0 0.229 156.3
1988.0 0.229 158.3
1989.0 0.229 160.4
1990.0 0.229 162.4
1991.0 0.229 164.5
1992.0 0.229 166.5
1993.0 0.229 168.6
1994.0 0.229 170.6
1995.0 0.229 172.6
1996.0 0.230 174.7
1997.0 0.230 176.7
1998.0 0.230 178.7
1999.0 0.231 180.7
2000.0 0.231 182.7
2001.0 0.232 184.7
2002.0 0.232 186.7
2003.0 0.233 188.7
2004.0 0.233 190.7
2005.0 0.234 192.6
2006.0 0.234 194.6
2007.0 0.234 196.5
2008.0 0.235 198.5
2009.0 0.235 200.4
2010.0 0.235 202.4
2011.0 0.235 204.3
2012.0 0.234 206.3
2013.0 0.234 208.2
2014.0 0.233 210.2
2015.0 0.233 212.1
2016.0 0.232 214.1
2017.0 0.230 216.1
2018.0 0.229 218.2
2019.0 0.227 220.2
2020.0 0.224 222.3
2021.0 0.222 224.5
2022.0 0.219 226.7
2023.0 0.215 229.0
2024.0 0.211 231.3
2025.0 0.206 233.8
2026.0 0.201 236.4
2027.0 0.195 239.1
2028.0 0.188 242.0
2029.0 0.181 245.2
2030.0 0.173 248.6
2031.0 0.164 252.4
2032.0 0.155 256.6
2033.0 0.144 261.4
2034.0 0.134 266.9
2035.0 0.123 273.3
2036.0 0.113 281.0
2037.0 0.104 290.1
2038.0 0.096 300.9
2039.0 0.091 313.3
2040.0 0.088 326.8
2041.0 0.090 340.3
2042.0 0.095 352.9
2043.0 0.103 4.0
2044.0 0.112 13.3
2045.0 0.123 21.1
2046.0 0.134 27.6
2047.0 0.145 33.1
2048.0 0.156 37.9
2049.0 0.166 42.0
2050.0 0.176 45.7
2051.0 0.186 48.9
2052.0 0.195 51.9
2053.0 0.203 54.6
2054.0 0.210 57.1
2055.0 0.217 59.4
2056.0 0.224 61.6
2057.0 0.229 63.7
2058.0 0.235 65.7
2059.0 0.239 67.6
2060.0 0.244 69.5
2061.0 0.248 71.2
2062.0 0.251 72.9
2063.0 0.254 74.6
2064.0 0.257 76.3
2065.0 0.259 77.9
2066.0 0.261 79.5
2067.0 0.262 81.0
2068.0 0.264 82.6
2069.0 0.265 84.1
2070.0 0.266 85.6
2071.0 0.266 87.1
2072.0 0.267 88.6
2073.0 0.267 90.1
2074.0 0.267 91.6
2075.0 0.267 93.1
2076.0 0.266 94.7
2077.0 0.266 96.2
2078.0 0.265 97.7
2079.0 0.264 99.2
2080.0 0.264 100.7
2081.0 0.263 102.3
2082.0 0.262 103.8
2083.0 0.260 105.4
2084.0 0.259 107.0
2085.0 0.258 108.6
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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