Content-Type: text/html; charset=UTF-8
Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:14:01
WDS:
HDS2932
WDS ID/Discoverer
P:
95.000
Orbital period (years)
a:
0.254
Semi-major axis (arcseconds)
i:
82.0
Inclination (degrees)
Ω:
152.2
Longitude of ascending node (degrees)
T:
1991.300
Epoch of periastron passage (year)
e:
0.392
Eccentricity
ω:
337.3
Longitude of periastron (degrees)
Start-Year:
1978.0
Year
End-Year:
2072.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
203033.47+134902.4
Epoch-2000 right ascension and declination
WDS-ID:
20306+1349
WDS designation
Discoverer Code:
HDS2932
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
195397
HD catalog number
Hipparcos number:
101181
Hipparcos catalog number
V1:
8.61
Magnitude of the primary
V2:
9.23
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2019
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 0.222 323.2
-------------------------
1978.0 0.108 347.0
1979.0 0.089 350.2
1980.0 0.071 355.2
1981.0 0.052 3.7
1982.0 0.036 20.6
1983.0 0.026 55.9
1984.0 0.031 98.1
1985.0 0.046 120.8
1986.0 0.063 131.7
1987.0 0.081 137.8
1988.0 0.098 141.7
1989.0 0.114 144.5
1990.0 0.128 146.7
1991.0 0.140 148.4
1992.0 0.149 149.9
1993.0 0.155 151.3
1994.0 0.158 152.5
1995.0 0.159 153.8
1996.0 0.157 155.0
1997.0 0.153 156.3
1998.0 0.147 157.7
1999.0 0.138 159.2
2000.0 0.129 161.0
2001.0 0.118 163.0
2002.0 0.106 165.5
2003.0 0.094 168.7
2004.0 0.081 172.8
2005.0 0.068 178.4
2006.0 0.056 186.6
2007.0 0.045 198.9
2008.0 0.038 217.5
2009.0 0.035 241.8
2010.0 0.039 265.1
2011.0 0.048 282.0
2012.0 0.059 293.1
2013.0 0.072 300.5
2014.0 0.085 305.6
2015.0 0.099 309.4
2016.0 0.112 312.2
2017.0 0.125 314.4
2018.0 0.139 316.2
2019.0 0.151 317.7
2020.0 0.164 319.0
2021.0 0.177 320.1
2022.0 0.189 321.0
2023.0 0.200 321.8
2024.0 0.211 322.6
2025.0 0.222 323.2
2026.0 0.233 323.8
2027.0 0.243 324.4
2028.0 0.253 324.9
2029.0 0.262 325.4
2030.0 0.270 325.8
2031.0 0.279 326.2
2032.0 0.287 326.6
2033.0 0.294 327.0
2034.0 0.301 327.3
2035.0 0.307 327.7
2036.0 0.313 328.0
2037.0 0.318 328.3
2038.0 0.323 328.6
2039.0 0.328 328.9
2040.0 0.331 329.2
2041.0 0.335 329.5
2042.0 0.337 329.8
2043.0 0.340 330.0
2044.0 0.341 330.3
2045.0 0.342 330.6
2046.0 0.343 330.9
2047.0 0.343 331.1
2048.0 0.342 331.4
2049.0 0.341 331.7
2050.0 0.339 331.9
2051.0 0.337 332.2
2052.0 0.334 332.5
2053.0 0.330 332.8
2054.0 0.326 333.1
2055.0 0.321 333.3
2056.0 0.315 333.7
2057.0 0.309 334.0
2058.0 0.302 334.3
2059.0 0.294 334.7
2060.0 0.285 335.0
2061.0 0.276 335.4
2062.0 0.266 335.9
2063.0 0.256 336.3
2064.0 0.244 336.8
2065.0 0.232 337.4
2066.0 0.219 338.0
2067.0 0.205 338.7
2068.0 0.191 339.5
2069.0 0.176 340.4
2070.0 0.160 341.5
2071.0 0.143 342.9
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 .
www.stella-vega.de