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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:37:57
WDS:
HU539
WDS ID/Discoverer
P:
175.000
Orbital period (years)
a:
0.222
Semi-major axis (arcseconds)
i:
144.1
Inclination (degrees)
Ω:
19.4
Longitude of ascending node (degrees)
T:
2007.100
Epoch of periastron passage (year)
e:
0.684
Eccentricity
ω:
124.7
Longitude of periastron (degrees)
Start-Year:
1938.0
Year
End-Year:
2112.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
024219.72+492458.5
Epoch-2000 right ascension and declination
WDS-ID:
02423+4925
WDS designation
Discoverer Code:
HU539
Discover designation and components
ADS number:
2051
Aitken Double Star catalog
HD number:
16692
HD catalog number
Hipparcos number:
12632
Hipparcos catalog number
V1:
9.22
Magnitude of the primary
V2:
9.52
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
1995
Date of last observation
Orbit grade:
3
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 0.154 138.8
-------------------------
1938.0 0.329 58.8
1939.0 0.329 58.2
1940.0 0.328 57.6
1941.0 0.327 57.1
1942.0 0.327 56.5
1943.0 0.326 56.0
1944.0 0.325 55.4
1945.0 0.324 54.8
1946.0 0.323 54.3
1947.0 0.322 53.7
1948.0 0.321 53.1
1949.0 0.319 52.5
1950.0 0.318 51.9
1951.0 0.317 51.3
1952.0 0.315 50.7
1953.0 0.314 50.1
1954.0 0.312 49.5
1955.0 0.310 48.9
1956.0 0.308 48.3
1957.0 0.306 47.6
1958.0 0.304 47.0
1959.0 0.302 46.3
1960.0 0.300 45.7
1961.0 0.298 45.0
1962.0 0.295 44.3
1963.0 0.293 43.6
1964.0 0.290 42.9
1965.0 0.288 42.2
1966.0 0.285 41.5
1967.0 0.282 40.7
1968.0 0.279 40.0
1969.0 0.276 39.2
1970.0 0.273 38.4
1971.0 0.269 37.6
1972.0 0.266 36.7
1973.0 0.262 35.9
1974.0 0.258 35.0
1975.0 0.255 34.1
1976.0 0.251 33.2
1977.0 0.246 32.2
1978.0 0.242 31.2
1979.0 0.238 30.1
1980.0 0.233 29.1
1981.0 0.228 27.9
1982.0 0.223 26.8
1983.0 0.218 25.5
1984.0 0.213 24.2
1985.0 0.207 22.9
1986.0 0.201 21.4
1987.0 0.195 19.9
1988.0 0.189 18.3
1989.0 0.183 16.6
1990.0 0.176 14.7
1991.0 0.169 12.7
1992.0 0.162 10.5
1993.0 0.155 8.1
1994.0 0.147 5.5
1995.0 0.139 2.6
1996.0 0.131 359.3
1997.0 0.122 355.5
1998.0 0.113 351.2
1999.0 0.104 346.1
2000.0 0.095 340.1
2001.0 0.086 332.9
2002.0 0.078 324.0
2003.0 0.070 313.0
2004.0 0.064 299.7
2005.0 0.060 284.0
2006.0 0.059 267.1
2007.0 0.061 250.5
2008.0 0.065 235.4
2009.0 0.071 222.4
2010.0 0.077 211.4
2011.0 0.083 202.0
2012.0 0.089 193.9
2013.0 0.095 186.9
2014.0 0.101 180.6
2015.0 0.106 175.0
2016.0 0.111 170.0
2017.0 0.117 165.4
2018.0 0.122 161.2
2019.0 0.126 157.3
2020.0 0.131 153.6
2021.0 0.136 150.3
2022.0 0.140 147.1
2023.0 0.145 144.2
2024.0 0.149 141.4
2025.0 0.154 138.8
2026.0 0.158 136.3
2027.0 0.162 134.0
2028.0 0.166 131.8
2029.0 0.171 129.7
2030.0 0.175 127.7
2031.0 0.179 125.7
2032.0 0.183 123.9
2033.0 0.187 122.2
2034.0 0.191 120.5
2035.0 0.194 118.9
2036.0 0.198 117.3
2037.0 0.202 115.8
2038.0 0.205 114.4
2039.0 0.209 113.0
2040.0 0.213 111.6
2041.0 0.216 110.3
2042.0 0.220 109.0
2043.0 0.223 107.8
2044.0 0.226 106.6
2045.0 0.230 105.5
2046.0 0.233 104.4
2047.0 0.236 103.3
2048.0 0.239 102.2
2049.0 0.242 101.2
2050.0 0.245 100.2
2051.0 0.248 99.2
2052.0 0.251 98.2
2053.0 0.254 97.3
2054.0 0.257 96.4
2055.0 0.260 95.5
2056.0 0.263 94.6
2057.0 0.265 93.7
2058.0 0.268 92.9
2059.0 0.270 92.1
2060.0 0.273 91.3
2061.0 0.275 90.5
2062.0 0.278 89.7
2063.0 0.280 88.9
2064.0 0.282 88.2
2065.0 0.285 87.4
2066.0 0.287 86.7
2067.0 0.289 86.0
2068.0 0.291 85.2
2069.0 0.293 84.5
2070.0 0.295 83.9
2071.0 0.297 83.2
2072.0 0.299 82.5
2073.0 0.301 81.8
2074.0 0.303 81.2
2075.0 0.304 80.5
2076.0 0.306 79.9
2077.0 0.308 79.2
2078.0 0.309 78.6
2079.0 0.311 78.0
2080.0 0.312 77.4
2081.0 0.314 76.8
2082.0 0.315 76.2
2083.0 0.316 75.6
2084.0 0.318 75.0
2085.0 0.319 74.4
2086.0 0.320 73.8
2087.0 0.321 73.2
2088.0 0.322 72.6
2089.0 0.323 72.0
2090.0 0.324 71.5
2091.0 0.325 70.9
2092.0 0.326 70.3
2093.0 0.326 69.8
2094.0 0.327 69.2
2095.0 0.328 68.7
2096.0 0.328 68.1
2097.0 0.329 67.5
2098.0 0.329 67.0
2099.0 0.330 66.4
2100.0 0.330 65.9
2101.0 0.330 65.3
2102.0 0.331 64.8
2103.0 0.331 64.2
2104.0 0.331 63.7
2105.0 0.331 63.1
2106.0 0.331 62.6
2107.0 0.331 62.1
2108.0 0.331 61.5
2109.0 0.331 61.0
2110.0 0.330 60.4
2111.0 0.330 59.9
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 .
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