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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:31:40
WDS:
RST4340
WDS ID/Discoverer
P:
132.250
Orbital period (years)
a:
0.284
Semi-major axis (arcseconds)
i:
56.9
Inclination (degrees)
Ω:
91.2
Longitude of ascending node (degrees)
T:
2013.280
Epoch of periastron passage (year)
e:
0.112
Eccentricity
ω:
149.4
Longitude of periastron (degrees)
Start-Year:
1959.0
Year
End-Year:
2091.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
070904.73-590520.3
Epoch-2000 right ascension and declination
WDS-ID:
07091-5905
WDS designation
Discoverer Code:
RST4340
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
55377
HD catalog number
Hipparcos number:
34510
Hipparcos catalog number
V1:
10.06
Magnitude of the primary
V2:
10.64
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2022
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 0.256 276.1
-------------------------
1959.0 0.311 88.8
1960.0 0.311 90.0
1961.0 0.310 91.2
1962.0 0.309 92.5
1963.0 0.308 93.7
1964.0 0.306 95.0
1965.0 0.304 96.3
1966.0 0.302 97.6
1967.0 0.299 98.9
1968.0 0.295 100.2
1969.0 0.292 101.6
1970.0 0.288 103.0
1971.0 0.283 104.5
1972.0 0.278 106.0
1973.0 0.273 107.6
1974.0 0.268 109.2
1975.0 0.262 110.9
1976.0 0.256 112.7
1977.0 0.250 114.5
1978.0 0.243 116.5
1979.0 0.236 118.6
1980.0 0.230 120.8
1981.0 0.222 123.1
1982.0 0.215 125.6
1983.0 0.208 128.3
1984.0 0.201 131.1
1985.0 0.194 134.2
1986.0 0.187 137.5
1987.0 0.180 141.0
1988.0 0.174 144.8
1989.0 0.167 148.9
1990.0 0.162 153.3
1991.0 0.157 158.0
1992.0 0.153 163.0
1993.0 0.149 168.2
1994.0 0.147 173.7
1995.0 0.145 179.3
1996.0 0.145 184.9
1997.0 0.145 190.6
1998.0 0.147 196.2
1999.0 0.149 201.7
2000.0 0.152 206.9
2001.0 0.156 211.9
2002.0 0.161 216.7
2003.0 0.166 221.1
2004.0 0.172 225.3
2005.0 0.178 229.2
2006.0 0.184 232.8
2007.0 0.191 236.2
2008.0 0.197 239.4
2009.0 0.203 242.4
2010.0 0.210 245.1
2011.0 0.216 247.8
2012.0 0.221 250.3
2013.0 0.227 252.7
2014.0 0.232 254.9
2015.0 0.236 257.1
2016.0 0.241 259.2
2017.0 0.244 261.2
2018.0 0.248 263.2
2019.0 0.250 265.1
2020.0 0.253 267.0
2021.0 0.254 268.8
2022.0 0.256 270.7
2023.0 0.256 272.5
2024.0 0.256 274.3
2025.0 0.256 276.1
2026.0 0.255 278.0
2027.0 0.254 279.8
2028.0 0.252 281.7
2029.0 0.249 283.6
2030.0 0.247 285.5
2031.0 0.243 287.5
2032.0 0.240 289.5
2033.0 0.236 291.6
2034.0 0.232 293.8
2035.0 0.227 296.1
2036.0 0.223 298.4
2037.0 0.218 300.9
2038.0 0.213 303.4
2039.0 0.208 306.1
2040.0 0.203 309.0
2041.0 0.198 311.9
2042.0 0.193 315.1
2043.0 0.188 318.4
2044.0 0.183 321.8
2045.0 0.179 325.5
2046.0 0.175 329.3
2047.0 0.171 333.3
2048.0 0.168 337.4
2049.0 0.166 341.7
2050.0 0.164 346.1
2051.0 0.163 350.6
2052.0 0.162 355.1
2053.0 0.162 359.6
2054.0 0.163 4.1
2055.0 0.165 8.6
2056.0 0.167 12.9
2057.0 0.169 17.1
2058.0 0.173 21.2
2059.0 0.177 25.1
2060.0 0.181 28.8
2061.0 0.186 32.4
2062.0 0.191 35.8
2063.0 0.196 38.9
2064.0 0.202 42.0
2065.0 0.207 44.8
2066.0 0.213 47.5
2067.0 0.219 50.1
2068.0 0.225 52.5
2069.0 0.231 54.8
2070.0 0.237 56.9
2071.0 0.243 59.0
2072.0 0.249 61.0
2073.0 0.254 62.9
2074.0 0.260 64.7
2075.0 0.265 66.4
2076.0 0.270 68.1
2077.0 0.275 69.7
2078.0 0.280 71.2
2079.0 0.284 72.7
2080.0 0.288 74.2
2081.0 0.292 75.6
2082.0 0.295 77.0
2083.0 0.298 78.3
2084.0 0.301 79.6
2085.0 0.304 80.9
2086.0 0.306 82.2
2087.0 0.308 83.5
2088.0 0.309 84.7
2089.0 0.310 86.0
2090.0 0.311 87.2
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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