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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:05:03
WDS:
HU337
WDS ID/Discoverer
P:
207.400
Orbital period (years)
a:
0.256
Semi-major axis (arcseconds)
i:
109.6
Inclination (degrees)
Ω:
70.3
Longitude of ascending node (degrees)
T:
2059.400
Epoch of periastron passage (year)
e:
0.3
Eccentricity
ω:
79.8
Longitude of periastron (degrees)
Start-Year:
1922.0
Year
End-Year:
2128.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
191848.90+173622.8
Epoch-2000 right ascension and declination
WDS-ID:
19188+1736
WDS designation
Discoverer Code:
HU337
Discover designation and components
ADS number:
12301
Aitken Double Star catalog
HD number:
231121
HD catalog number
Hipparcos number:
94911
Hipparcos catalog number
V1:
9.27
Magnitude of the primary
V2:
10.14
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 0.232 75.2
-------------------------
1922.0 0.230 231.7
1923.0 0.228 231.0
1924.0 0.225 230.3
1925.0 0.222 229.6
1926.0 0.219 228.8
1927.0 0.216 228.0
1928.0 0.213 227.2
1929.0 0.210 226.4
1930.0 0.207 225.6
1931.0 0.204 224.7
1932.0 0.200 223.8
1933.0 0.197 222.9
1934.0 0.194 222.0
1935.0 0.190 221.0
1936.0 0.187 220.0
1937.0 0.184 218.9
1938.0 0.180 217.8
1939.0 0.177 216.7
1940.0 0.173 215.5
1941.0 0.170 214.2
1942.0 0.166 213.0
1943.0 0.163 211.6
1944.0 0.160 210.2
1945.0 0.156 208.8
1946.0 0.153 207.2
1947.0 0.150 205.6
1948.0 0.146 204.0
1949.0 0.143 202.2
1950.0 0.140 200.4
1951.0 0.137 198.5
1952.0 0.134 196.6
1953.0 0.132 194.5
1954.0 0.129 192.4
1955.0 0.126 190.1
1956.0 0.124 187.8
1957.0 0.122 185.4
1958.0 0.120 182.9
1959.0 0.118 180.3
1960.0 0.116 177.7
1961.0 0.115 174.9
1962.0 0.113 172.1
1963.0 0.112 169.3
1964.0 0.112 166.4
1965.0 0.111 163.4
1966.0 0.111 160.5
1967.0 0.111 157.5
1968.0 0.111 154.6
1969.0 0.112 151.6
1970.0 0.112 148.7
1971.0 0.113 145.9
1972.0 0.114 143.0
1973.0 0.116 140.3
1974.0 0.117 137.6
1975.0 0.119 135.0
1976.0 0.121 132.5
1977.0 0.123 130.0
1978.0 0.126 127.7
1979.0 0.128 125.4
1980.0 0.131 123.2
1981.0 0.133 121.2
1982.0 0.136 119.1
1983.0 0.139 117.2
1984.0 0.142 115.4
1985.0 0.145 113.6
1986.0 0.148 111.9
1987.0 0.151 110.3
1988.0 0.155 108.7
1989.0 0.158 107.3
1990.0 0.161 105.8
1991.0 0.164 104.4
1992.0 0.168 103.1
1993.0 0.171 101.9
1994.0 0.174 100.6
1995.0 0.178 99.5
1996.0 0.181 98.3
1997.0 0.184 97.2
1998.0 0.187 96.2
1999.0 0.190 95.1
2000.0 0.193 94.2
2001.0 0.196 93.2
2002.0 0.199 92.3
2003.0 0.202 91.4
2004.0 0.205 90.5
2005.0 0.207 89.6
2006.0 0.210 88.8
2007.0 0.212 88.0
2008.0 0.215 87.2
2009.0 0.217 86.4
2010.0 0.219 85.6
2011.0 0.221 84.9
2012.0 0.223 84.1
2013.0 0.225 83.4
2014.0 0.226 82.7
2015.0 0.227 82.0
2016.0 0.229 81.3
2017.0 0.230 80.6
2018.0 0.231 79.9
2019.0 0.231 79.2
2020.0 0.232 78.5
2021.0 0.232 77.9
2022.0 0.232 77.2
2023.0 0.232 76.5
2024.0 0.232 75.8
2025.0 0.232 75.2
2026.0 0.231 74.5
2027.0 0.230 73.8
2028.0 0.229 73.1
2029.0 0.227 72.4
2030.0 0.225 71.7
2031.0 0.223 71.0
2032.0 0.221 70.2
2033.0 0.218 69.5
2034.0 0.216 68.7
2035.0 0.212 67.9
2036.0 0.209 67.1
2037.0 0.205 66.2
2038.0 0.201 65.4
2039.0 0.197 64.4
2040.0 0.192 63.5
2041.0 0.187 62.5
2042.0 0.182 61.4
2043.0 0.177 60.3
2044.0 0.171 59.1
2045.0 0.165 57.8
2046.0 0.158 56.4
2047.0 0.152 54.9
2048.0 0.145 53.2
2049.0 0.138 51.4
2050.0 0.131 49.4
2051.0 0.124 47.1
2052.0 0.116 44.6
2053.0 0.109 41.7
2054.0 0.101 38.4
2055.0 0.094 34.6
2056.0 0.087 30.1
2057.0 0.080 24.9
2058.0 0.074 18.8
2059.0 0.069 11.7
2060.0 0.065 3.5
2061.0 0.062 354.3
2062.0 0.060 344.6
2063.0 0.061 334.6
2064.0 0.063 325.0
2065.0 0.066 316.1
2066.0 0.071 308.3
2067.0 0.076 301.5
2068.0 0.082 295.7
2069.0 0.089 290.7
2070.0 0.096 286.5
2071.0 0.104 282.9
2072.0 0.111 279.7
2073.0 0.119 277.0
2074.0 0.127 274.6
2075.0 0.134 272.4
2076.0 0.141 270.5
2077.0 0.149 268.8
2078.0 0.156 267.2
2079.0 0.163 265.8
2080.0 0.169 264.4
2081.0 0.176 263.2
2082.0 0.182 262.1
2083.0 0.188 261.0
2084.0 0.194 260.0
2085.0 0.199 259.1
2086.0 0.204 258.2
2087.0 0.209 257.3
2088.0 0.214 256.5
2089.0 0.219 255.7
2090.0 0.223 255.0
2091.0 0.227 254.3
2092.0 0.231 253.6
2093.0 0.234 252.9
2094.0 0.237 252.3
2095.0 0.240 251.6
2096.0 0.243 251.0
2097.0 0.246 250.4
2098.0 0.248 249.8
2099.0 0.250 249.2
2100.0 0.252 248.6
2101.0 0.254 248.0
2102.0 0.255 247.5
2103.0 0.256 246.9
2104.0 0.257 246.4
2105.0 0.258 245.8
2106.0 0.259 245.3
2107.0 0.259 244.7
2108.0 0.260 244.2
2109.0 0.260 243.7
2110.0 0.260 243.1
2111.0 0.259 242.6
2112.0 0.259 242.0
2113.0 0.258 241.5
2114.0 0.258 241.0
2115.0 0.257 240.4
2116.0 0.256 239.9
2117.0 0.255 239.3
2118.0 0.253 238.7
2119.0 0.252 238.2
2120.0 0.250 237.6
2121.0 0.249 237.0
2122.0 0.247 236.4
2123.0 0.245 235.8
2124.0 0.243 235.2
2125.0 0.241 234.6
2126.0 0.239 233.9
2127.0 0.236 233.3
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 .
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