Content-Type: text/html; charset=UTF-8
Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:47:04
WDS:
B912
WDS ID/Discoverer
P:
132.256
Orbital period (years)
a:
0.297
Semi-major axis (arcseconds)
i:
44.9
Inclination (degrees)
Ω:
226.8
Longitude of ascending node (degrees)
T:
1944.750
Epoch of periastron passage (year)
e:
0.113
Eccentricity
ω:
116.2
Longitude of periastron (degrees)
Start-Year:
1959.0
Year
End-Year:
2091.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
173047.97-372612.9
Epoch-2000 right ascension and declination
WDS-ID:
17308-3726
WDS designation
Discoverer Code:
B912
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
158409
HD catalog number
Hipparcos number:
85700
Hipparcos catalog number
V1:
7.48
Magnitude of the primary
V2:
7.96
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:
n
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.300 202.4
-------------------------
1959.0 0.267 35.4
1960.0 0.270 37.7
1961.0 0.273 40.0
1962.0 0.275 42.2
1963.0 0.278 44.4
1964.0 0.279 46.6
1965.0 0.280 48.8
1966.0 0.281 50.9
1967.0 0.282 53.1
1968.0 0.282 55.2
1969.0 0.282 57.3
1970.0 0.282 59.4
1971.0 0.281 61.6
1972.0 0.280 63.7
1973.0 0.279 65.9
1974.0 0.277 68.1
1975.0 0.275 70.3
1976.0 0.273 72.5
1977.0 0.271 74.8
1978.0 0.269 77.1
1979.0 0.267 79.5
1980.0 0.264 81.9
1981.0 0.261 84.3
1982.0 0.259 86.8
1983.0 0.256 89.4
1984.0 0.253 92.0
1985.0 0.250 94.6
1986.0 0.248 97.4
1987.0 0.245 100.1
1988.0 0.243 103.0
1989.0 0.241 105.9
1990.0 0.239 108.8
1991.0 0.237 111.8
1992.0 0.235 114.9
1993.0 0.234 117.9
1994.0 0.232 121.0
1995.0 0.232 124.2
1996.0 0.231 127.3
1997.0 0.231 130.5
1998.0 0.231 133.7
1999.0 0.231 136.9
2000.0 0.232 140.0
2001.0 0.233 143.1
2002.0 0.234 146.2
2003.0 0.236 149.3
2004.0 0.237 152.3
2005.0 0.239 155.3
2006.0 0.242 158.2
2007.0 0.244 161.1
2008.0 0.247 163.9
2009.0 0.250 166.6
2010.0 0.253 169.3
2011.0 0.256 171.9
2012.0 0.259 174.4
2013.0 0.263 176.9
2014.0 0.266 179.3
2015.0 0.270 181.7
2016.0 0.273 184.0
2017.0 0.276 186.2
2018.0 0.280 188.4
2019.0 0.283 190.5
2020.0 0.286 192.6
2021.0 0.289 194.7
2022.0 0.292 196.7
2023.0 0.295 198.6
2024.0 0.298 200.6
2025.0 0.300 202.4
2026.0 0.302 204.3
2027.0 0.305 206.1
2028.0 0.306 207.9
2029.0 0.308 209.7
2030.0 0.309 211.5
2031.0 0.310 213.3
2032.0 0.311 215.0
2033.0 0.312 216.8
2034.0 0.312 218.5
2035.0 0.312 220.2
2036.0 0.311 222.0
2037.0 0.311 223.7
2038.0 0.310 225.5
2039.0 0.308 227.3
2040.0 0.307 229.0
2041.0 0.305 230.9
2042.0 0.302 232.7
2043.0 0.300 234.6
2044.0 0.297 236.5
2045.0 0.293 238.4
2046.0 0.290 240.4
2047.0 0.286 242.4
2048.0 0.282 244.5
2049.0 0.277 246.7
2050.0 0.273 248.9
2051.0 0.268 251.2
2052.0 0.263 253.7
2053.0 0.257 256.2
2054.0 0.252 258.8
2055.0 0.246 261.5
2056.0 0.241 264.3
2057.0 0.235 267.3
2058.0 0.230 270.4
2059.0 0.224 273.7
2060.0 0.219 277.2
2061.0 0.214 280.8
2062.0 0.209 284.6
2063.0 0.205 288.5
2064.0 0.201 292.6
2065.0 0.197 296.9
2066.0 0.194 301.3
2067.0 0.192 305.9
2068.0 0.190 310.5
2069.0 0.189 315.2
2070.0 0.188 320.0
2071.0 0.189 324.7
2072.0 0.190 329.5
2073.0 0.191 334.1
2074.0 0.194 338.7
2075.0 0.197 343.1
2076.0 0.200 347.4
2077.0 0.204 351.6
2078.0 0.208 355.5
2079.0 0.213 359.4
2080.0 0.217 3.0
2081.0 0.222 6.5
2082.0 0.227 9.9
2083.0 0.232 13.1
2084.0 0.237 16.2
2085.0 0.242 19.1
2086.0 0.246 21.9
2087.0 0.251 24.7
2088.0 0.255 27.3
2089.0 0.259 29.9
2090.0 0.263 32.3
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 .
www.stella-vega.de