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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:37:42
WDS:
HU785
WDS ID/Discoverer
P:
277.077
Orbital period (years)
a:
0.217
Semi-major axis (arcseconds)
i:
129.8
Inclination (degrees)
Ω:
106.5
Longitude of ascending node (degrees)
T:
2010.280
Epoch of periastron passage (year)
e:
0.379
Eccentricity
ω:
16.5
Longitude of periastron (degrees)
Start-Year:
1887.0
Year
End-Year:
2163.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
225459.51+513131.9
Epoch-2000 right ascension and declination
WDS-ID:
22550+5132
WDS designation
Discoverer Code:
HU785
Discover designation and components
ADS number:
16368
Aitken Double Star catalog
HD number:
235994
HD catalog number
Hipparcos number:
113166
Hipparcos catalog number
V1:
9.91
Magnitude of the primary
V2:
10.36
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2008
Date of last observation
Orbit grade:
5
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
n
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.109 58.6
-------------------------
1887.0 0.279 269.0
1888.0 0.278 268.5
1889.0 0.277 268.1
1890.0 0.275 267.6
1891.0 0.274 267.1
1892.0 0.273 266.6
1893.0 0.272 266.1
1894.0 0.270 265.7
1895.0 0.269 265.2
1896.0 0.267 264.6
1897.0 0.266 264.1
1898.0 0.264 263.6
1899.0 0.263 263.1
1900.0 0.261 262.6
1901.0 0.259 262.0
1902.0 0.258 261.5
1903.0 0.256 260.9
1904.0 0.254 260.4
1905.0 0.253 259.8
1906.0 0.251 259.3
1907.0 0.249 258.7
1908.0 0.247 258.1
1909.0 0.245 257.5
1910.0 0.243 256.9
1911.0 0.241 256.3
1912.0 0.239 255.6
1913.0 0.237 255.0
1914.0 0.235 254.3
1915.0 0.233 253.7
1916.0 0.231 253.0
1917.0 0.229 252.3
1918.0 0.227 251.6
1919.0 0.225 250.9
1920.0 0.223 250.2
1921.0 0.221 249.5
1922.0 0.218 248.7
1923.0 0.216 247.9
1924.0 0.214 247.2
1925.0 0.212 246.4
1926.0 0.209 245.5
1927.0 0.207 244.7
1928.0 0.205 243.9
1929.0 0.202 243.0
1930.0 0.200 242.1
1931.0 0.198 241.2
1932.0 0.195 240.2
1933.0 0.193 239.3
1934.0 0.191 238.3
1935.0 0.188 237.3
1936.0 0.186 236.2
1937.0 0.184 235.2
1938.0 0.181 234.1
1939.0 0.179 233.0
1940.0 0.177 231.8
1941.0 0.174 230.6
1942.0 0.172 229.4
1943.0 0.170 228.2
1944.0 0.167 226.9
1945.0 0.165 225.6
1946.0 0.163 224.3
1947.0 0.161 222.9
1948.0 0.159 221.5
1949.0 0.156 220.0
1950.0 0.154 218.5
1951.0 0.152 216.9
1952.0 0.150 215.4
1953.0 0.148 213.7
1954.0 0.146 212.1
1955.0 0.145 210.4
1956.0 0.143 208.6
1957.0 0.141 206.8
1958.0 0.139 205.0
1959.0 0.138 203.1
1960.0 0.136 201.1
1961.0 0.135 199.2
1962.0 0.134 197.2
1963.0 0.132 195.1
1964.0 0.131 193.0
1965.0 0.130 190.9
1966.0 0.129 188.8
1967.0 0.129 186.6
1968.0 0.128 184.4
1969.0 0.127 182.2
1970.0 0.127 179.9
1971.0 0.126 177.7
1972.0 0.126 175.4
1973.0 0.126 173.1
1974.0 0.126 170.8
1975.0 0.126 168.5
1976.0 0.126 166.2
1977.0 0.126 163.9
1978.0 0.126 161.6
1979.0 0.126 159.4
1980.0 0.127 157.1
1981.0 0.127 154.9
1982.0 0.128 152.6
1983.0 0.128 150.4
1984.0 0.129 148.2
1985.0 0.130 146.1
1986.0 0.130 143.9
1987.0 0.131 141.8
1988.0 0.132 139.7
1989.0 0.133 137.7
1990.0 0.133 135.6
1991.0 0.134 133.6
1992.0 0.135 131.6
1993.0 0.135 129.6
1994.0 0.136 127.6
1995.0 0.136 125.7
1996.0 0.137 123.7
1997.0 0.137 121.8
1998.0 0.137 119.9
1999.0 0.138 117.9
2000.0 0.138 116.0
2001.0 0.138 114.1
2002.0 0.137 112.2
2003.0 0.137 110.3
2004.0 0.137 108.3
2005.0 0.136 106.4
2006.0 0.136 104.4
2007.0 0.135 102.5
2008.0 0.134 100.5
2009.0 0.133 98.4
2010.0 0.132 96.3
2011.0 0.131 94.2
2012.0 0.129 92.1
2013.0 0.128 89.9
2014.0 0.126 87.7
2015.0 0.125 85.4
2016.0 0.123 83.0
2017.0 0.121 80.6
2018.0 0.120 78.1
2019.0 0.118 75.5
2020.0 0.116 72.9
2021.0 0.115 70.2
2022.0 0.113 67.4
2023.0 0.112 64.5
2024.0 0.110 61.6
2025.0 0.109 58.6
2026.0 0.108 55.5
2027.0 0.107 52.3
2028.0 0.106 49.1
2029.0 0.105 45.8
2030.0 0.104 42.5
2031.0 0.104 39.1
2032.0 0.104 35.8
2033.0 0.104 32.4
2034.0 0.104 29.1
2035.0 0.105 25.7
2036.0 0.105 22.5
2037.0 0.106 19.2
2038.0 0.108 16.1
2039.0 0.109 13.0
2040.0 0.110 10.0
2041.0 0.112 7.0
2042.0 0.114 4.2
2043.0 0.116 1.5
2044.0 0.118 358.8
2045.0 0.121 356.3
2046.0 0.123 353.9
2047.0 0.126 351.5
2048.0 0.129 349.3
2049.0 0.131 347.1
2050.0 0.134 345.1
2051.0 0.137 343.1
2052.0 0.140 341.2
2053.0 0.143 339.4
2054.0 0.146 337.7
2055.0 0.149 336.0
2056.0 0.152 334.4
2057.0 0.155 332.9
2058.0 0.159 331.4
2059.0 0.162 330.0
2060.0 0.165 328.6
2061.0 0.168 327.3
2062.0 0.171 326.1
2063.0 0.174 324.9
2064.0 0.177 323.7
2065.0 0.181 322.6
2066.0 0.184 321.5
2067.0 0.187 320.4
2068.0 0.190 319.4
2069.0 0.193 318.4
2070.0 0.196 317.4
2071.0 0.199 316.5
2072.0 0.202 315.6
2073.0 0.204 314.7
2074.0 0.207 313.9
2075.0 0.210 313.0
2076.0 0.213 312.2
2077.0 0.216 311.4
2078.0 0.218 310.7
2079.0 0.221 309.9
2080.0 0.224 309.2
2081.0 0.226 308.4
2082.0 0.229 307.7
2083.0 0.231 307.1
2084.0 0.234 306.4
2085.0 0.236 305.7
2086.0 0.238 305.1
2087.0 0.241 304.5
2088.0 0.243 303.8
2089.0 0.245 303.2
2090.0 0.247 302.6
2091.0 0.249 302.0
2092.0 0.251 301.5
2093.0 0.253 300.9
2094.0 0.255 300.3
2095.0 0.257 299.8
2096.0 0.259 299.2
2097.0 0.261 298.7
2098.0 0.263 298.2
2099.0 0.264 297.7
2100.0 0.266 297.1
2101.0 0.268 296.6
2102.0 0.269 296.1
2103.0 0.271 295.6
2104.0 0.272 295.1
2105.0 0.274 294.7
2106.0 0.275 294.2
2107.0 0.277 293.7
2108.0 0.278 293.2
2109.0 0.279 292.8
2110.0 0.280 292.3
2111.0 0.282 291.8
2112.0 0.283 291.4
2113.0 0.284 290.9
2114.0 0.285 290.5
2115.0 0.286 290.0
2116.0 0.287 289.6
2117.0 0.288 289.2
2118.0 0.288 288.7
2119.0 0.289 288.3
2120.0 0.290 287.8
2121.0 0.291 287.4
2122.0 0.291 287.0
2123.0 0.292 286.6
2124.0 0.292 286.1
2125.0 0.293 285.7
2126.0 0.293 285.3
2127.0 0.294 284.9
2128.0 0.294 284.5
2129.0 0.294 284.0
2130.0 0.295 283.6
2131.0 0.295 283.2
2132.0 0.295 282.8
2133.0 0.295 282.4
2134.0 0.295 282.0
2135.0 0.296 281.5
2136.0 0.296 281.1
2137.0 0.296 280.7
2138.0 0.295 280.3
2139.0 0.295 279.9
2140.0 0.295 279.5
2141.0 0.295 279.0
2142.0 0.295 278.6
2143.0 0.294 278.2
2144.0 0.294 277.8
2145.0 0.294 277.4
2146.0 0.293 277.0
2147.0 0.293 276.5
2148.0 0.292 276.1
2149.0 0.292 275.7
2150.0 0.291 275.3
2151.0 0.291 274.8
2152.0 0.290 274.4
2153.0 0.289 274.0
2154.0 0.289 273.5
2155.0 0.288 273.1
2156.0 0.287 272.7
2157.0 0.286 272.2
2158.0 0.285 271.8
2159.0 0.284 271.3
2160.0 0.283 270.9
2161.0 0.282 270.4
2162.0 0.281 270.0
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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