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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:10:14
WDS:
HU736
WDS ID/Discoverer
P:
245.470
Orbital period (years)
a:
0.305
Semi-major axis (arcseconds)
i:
153.4
Inclination (degrees)
Ω:
275.9
Longitude of ascending node (degrees)
T:
1949.770
Epoch of periastron passage (year)
e:
0.427
Eccentricity
ω:
314.7
Longitude of periastron (degrees)
Start-Year:
1903.0
Year
End-Year:
2147.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
121600.42+480658.4
Epoch-2000 right ascension and declination
WDS-ID:
12160+4807
WDS designation
Discoverer Code:
HU736
Discover designation and components
ADS number:
8485
Aitken Double Star catalog
HD number:
106689
HD catalog number
Hipparcos number:
59820
Hipparcos catalog number
V1:
9.57
Magnitude of the primary
V2:
9.99
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
1997
Date of last observation
Orbit grade:
4
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 0.348 173.3
-------------------------
1903.0 0.309 80.9
1904.0 0.306 79.7
1905.0 0.302 78.5
1906.0 0.298 77.3
1907.0 0.294 76.0
1908.0 0.290 74.7
1909.0 0.286 73.4
1910.0 0.282 72.0
1911.0 0.278 70.6
1912.0 0.274 69.2
1913.0 0.270 67.7
1914.0 0.266 66.2
1915.0 0.262 64.6
1916.0 0.257 62.9
1917.0 0.253 61.3
1918.0 0.249 59.5
1919.0 0.244 57.7
1920.0 0.240 55.8
1921.0 0.235 53.8
1922.0 0.231 51.8
1923.0 0.227 49.7
1924.0 0.222 47.5
1925.0 0.218 45.2
1926.0 0.214 42.9
1927.0 0.209 40.4
1928.0 0.205 37.8
1929.0 0.201 35.2
1930.0 0.197 32.4
1931.0 0.193 29.5
1932.0 0.189 26.5
1933.0 0.186 23.3
1934.0 0.182 20.1
1935.0 0.179 16.7
1936.0 0.176 13.2
1937.0 0.174 9.6
1938.0 0.171 5.9
1939.0 0.169 2.1
1940.0 0.167 358.2
1941.0 0.165 354.2
1942.0 0.164 350.1
1943.0 0.163 346.0
1944.0 0.163 341.8
1945.0 0.163 337.7
1946.0 0.163 333.5
1947.0 0.163 329.3
1948.0 0.164 325.2
1949.0 0.165 321.1
1950.0 0.166 317.1
1951.0 0.167 313.1
1952.0 0.169 309.2
1953.0 0.171 305.4
1954.0 0.173 301.7
1955.0 0.175 298.0
1956.0 0.177 294.5
1957.0 0.180 291.0
1958.0 0.182 287.7
1959.0 0.185 284.4
1960.0 0.187 281.2
1961.0 0.190 278.1
1962.0 0.193 275.1
1963.0 0.195 272.1
1964.0 0.198 269.3
1965.0 0.200 266.5
1966.0 0.203 263.8
1967.0 0.206 261.1
1968.0 0.208 258.6
1969.0 0.211 256.1
1970.0 0.214 253.6
1971.0 0.216 251.2
1972.0 0.219 248.9
1973.0 0.222 246.6
1974.0 0.224 244.4
1975.0 0.227 242.2
1976.0 0.229 240.1
1977.0 0.232 238.0
1978.0 0.235 236.0
1979.0 0.237 234.0
1980.0 0.240 232.1
1981.0 0.242 230.2
1982.0 0.245 228.3
1983.0 0.247 226.5
1984.0 0.250 224.7
1985.0 0.253 223.0
1986.0 0.255 221.3
1987.0 0.258 219.6
1988.0 0.260 218.0
1989.0 0.263 216.3
1990.0 0.265 214.8
1991.0 0.268 213.2
1992.0 0.270 211.7
1993.0 0.273 210.2
1994.0 0.276 208.7
1995.0 0.278 207.3
1996.0 0.281 205.9
1997.0 0.283 204.5
1998.0 0.286 203.1
1999.0 0.288 201.8
2000.0 0.291 200.5
2001.0 0.293 199.2
2002.0 0.296 197.9
2003.0 0.298 196.6
2004.0 0.300 195.4
2005.0 0.303 194.2
2006.0 0.305 193.0
2007.0 0.308 191.8
2008.0 0.310 190.7
2009.0 0.312 189.5
2010.0 0.315 188.4
2011.0 0.317 187.3
2012.0 0.319 186.2
2013.0 0.322 185.1
2014.0 0.324 184.1
2015.0 0.326 183.0
2016.0 0.329 182.0
2017.0 0.331 181.0
2018.0 0.333 180.0
2019.0 0.335 179.0
2020.0 0.337 178.0
2021.0 0.340 177.1
2022.0 0.342 176.1
2023.0 0.344 175.2
2024.0 0.346 174.3
2025.0 0.348 173.3
2026.0 0.350 172.4
2027.0 0.352 171.5
2028.0 0.354 170.7
2029.0 0.356 169.8
2030.0 0.358 168.9
2031.0 0.360 168.1
2032.0 0.362 167.2
2033.0 0.364 166.4
2034.0 0.366 165.6
2035.0 0.367 164.7
2036.0 0.369 163.9
2037.0 0.371 163.1
2038.0 0.373 162.3
2039.0 0.374 161.5
2040.0 0.376 160.7
2041.0 0.378 160.0
2042.0 0.379 159.2
2043.0 0.381 158.4
2044.0 0.383 157.7
2045.0 0.384 156.9
2046.0 0.386 156.2
2047.0 0.387 155.4
2048.0 0.388 154.7
2049.0 0.390 154.0
2050.0 0.391 153.3
2051.0 0.393 152.5
2052.0 0.394 151.8
2053.0 0.395 151.1
2054.0 0.396 150.4
2055.0 0.398 149.7
2056.0 0.399 149.0
2057.0 0.400 148.3
2058.0 0.401 147.6
2059.0 0.402 147.0
2060.0 0.403 146.3
2061.0 0.404 145.6
2062.0 0.405 144.9
2063.0 0.406 144.3
2064.0 0.407 143.6
2065.0 0.408 142.9
2066.0 0.408 142.3
2067.0 0.409 141.6
2068.0 0.410 140.9
2069.0 0.411 140.3
2070.0 0.411 139.6
2071.0 0.412 139.0
2072.0 0.412 138.3
2073.0 0.413 137.7
2074.0 0.413 137.0
2075.0 0.414 136.4
2076.0 0.414 135.7
2077.0 0.415 135.1
2078.0 0.415 134.5
2079.0 0.415 133.8
2080.0 0.415 133.2
2081.0 0.416 132.5
2082.0 0.416 131.9
2083.0 0.416 131.3
2084.0 0.416 130.6
2085.0 0.416 130.0
2086.0 0.416 129.4
2087.0 0.416 128.7
2088.0 0.416 128.1
2089.0 0.416 127.4
2090.0 0.415 126.8
2091.0 0.415 126.2
2092.0 0.415 125.5
2093.0 0.414 124.9
2094.0 0.414 124.2
2095.0 0.414 123.6
2096.0 0.413 122.9
2097.0 0.413 122.3
2098.0 0.412 121.6
2099.0 0.411 121.0
2100.0 0.411 120.3
2101.0 0.410 119.7
2102.0 0.409 119.0
2103.0 0.408 118.4
2104.0 0.407 117.7
2105.0 0.406 117.0
2106.0 0.405 116.4
2107.0 0.404 115.7
2108.0 0.403 115.0
2109.0 0.402 114.3
2110.0 0.401 113.7
2111.0 0.400 113.0
2112.0 0.398 112.3
2113.0 0.397 111.6
2114.0 0.396 110.9
2115.0 0.394 110.2
2116.0 0.393 109.5
2117.0 0.391 108.7
2118.0 0.389 108.0
2119.0 0.388 107.3
2120.0 0.386 106.5
2121.0 0.384 105.8
2122.0 0.382 105.0
2123.0 0.380 104.3
2124.0 0.378 103.5
2125.0 0.376 102.7
2126.0 0.374 102.0
2127.0 0.372 101.2
2128.0 0.370 100.4
2129.0 0.367 99.5
2130.0 0.365 98.7
2131.0 0.362 97.9
2132.0 0.360 97.0
2133.0 0.357 96.2
2134.0 0.355 95.3
2135.0 0.352 94.4
2136.0 0.349 93.5
2137.0 0.346 92.6
2138.0 0.344 91.7
2139.0 0.341 90.8
2140.0 0.338 89.8
2141.0 0.334 88.8
2142.0 0.331 87.8
2143.0 0.328 86.8
2144.0 0.325 85.8
2145.0 0.321 84.7
2146.0 0.318 83.6
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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