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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:58:55
WDS:
A1835
WDS ID/Discoverer
P:
128.760
Orbital period (years)
a:
0.22
Semi-major axis (arcseconds)
i:
56.6
Inclination (degrees)
Ω:
76.8
Longitude of ascending node (degrees)
T:
1958.360
Epoch of periastron passage (year)
e:
0.532
Eccentricity
ω:
121.7
Longitude of periastron (degrees)
Start-Year:
1961.0
Year
End-Year:
2089.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
042134.17+065827.5
Epoch-2000 right ascension and declination
WDS-ID:
04216+0658
WDS designation
Discoverer Code:
A1835
Discover designation and components
ADS number:
3151
Aitken Double Star catalog
HD number:
27597
HD catalog number
Hipparcos number:
20356
Hipparcos catalog number
V1:
8.74
Magnitude of the primary
V2:
9.81
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
1996
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 0.243 37.6
-------------------------
1961.0 0.097 238.8
1962.0 0.106 244.9
1963.0 0.114 250.2
1964.0 0.120 254.8
1965.0 0.126 258.9
1966.0 0.131 262.7
1967.0 0.135 266.3
1968.0 0.138 269.7
1969.0 0.140 273.0
1970.0 0.142 276.1
1971.0 0.143 279.2
1972.0 0.144 282.3
1973.0 0.145 285.3
1974.0 0.145 288.3
1975.0 0.146 291.3
1976.0 0.146 294.2
1977.0 0.146 297.2
1978.0 0.146 300.2
1979.0 0.146 303.1
1980.0 0.146 306.1
1981.0 0.146 309.1
1982.0 0.146 312.0
1983.0 0.146 315.0
1984.0 0.146 318.0
1985.0 0.147 320.9
1986.0 0.147 323.8
1987.0 0.148 326.7
1988.0 0.149 329.5
1989.0 0.150 332.4
1990.0 0.151 335.1
1991.0 0.153 337.9
1992.0 0.154 340.5
1993.0 0.156 343.2
1994.0 0.158 345.7
1995.0 0.160 348.2
1996.0 0.162 350.7
1997.0 0.164 353.0
1998.0 0.166 355.3
1999.0 0.169 357.6
2000.0 0.171 359.8
2001.0 0.174 1.9
2002.0 0.177 3.9
2003.0 0.179 5.9
2004.0 0.182 7.9
2005.0 0.185 9.7
2006.0 0.188 11.5
2007.0 0.191 13.3
2008.0 0.194 15.0
2009.0 0.197 16.6
2010.0 0.200 18.2
2011.0 0.203 19.8
2012.0 0.206 21.3
2013.0 0.209 22.8
2014.0 0.212 24.2
2015.0 0.215 25.6
2016.0 0.218 26.9
2017.0 0.221 28.2
2018.0 0.224 29.5
2019.0 0.227 30.7
2020.0 0.230 31.9
2021.0 0.233 33.1
2022.0 0.235 34.3
2023.0 0.238 35.4
2024.0 0.240 36.5
2025.0 0.243 37.6
2026.0 0.245 38.6
2027.0 0.248 39.7
2028.0 0.250 40.7
2029.0 0.252 41.7
2030.0 0.254 42.7
2031.0 0.256 43.6
2032.0 0.258 44.6
2033.0 0.260 45.5
2034.0 0.262 46.4
2035.0 0.263 47.4
2036.0 0.264 48.3
2037.0 0.266 49.2
2038.0 0.267 50.1
2039.0 0.268 50.9
2040.0 0.269 51.8
2041.0 0.269 52.7
2042.0 0.270 53.6
2043.0 0.270 54.4
2044.0 0.271 55.3
2045.0 0.271 56.1
2046.0 0.271 57.0
2047.0 0.270 57.9
2048.0 0.270 58.7
2049.0 0.269 59.6
2050.0 0.268 60.5
2051.0 0.267 61.3
2052.0 0.266 62.2
2053.0 0.265 63.1
2054.0 0.263 64.0
2055.0 0.261 65.0
2056.0 0.258 65.9
2057.0 0.256 66.8
2058.0 0.253 67.8
2059.0 0.250 68.8
2060.0 0.247 69.8
2061.0 0.243 70.9
2062.0 0.239 72.0
2063.0 0.234 73.1
2064.0 0.230 74.3
2065.0 0.225 75.5
2066.0 0.219 76.8
2067.0 0.213 78.1
2068.0 0.207 79.6
2069.0 0.200 81.1
2070.0 0.193 82.7
2071.0 0.185 84.5
2072.0 0.177 86.4
2073.0 0.168 88.6
2074.0 0.158 90.9
2075.0 0.149 93.6
2076.0 0.138 96.7
2077.0 0.127 100.3
2078.0 0.116 104.5
2079.0 0.105 109.7
2080.0 0.093 116.2
2081.0 0.082 124.5
2082.0 0.072 135.2
2083.0 0.064 148.9
2084.0 0.060 165.4
2085.0 0.060 183.2
2086.0 0.064 199.8
2087.0 0.071 213.6
2088.0 0.080 224.6
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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