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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:34:56
WDS:
A2080
WDS ID/Discoverer
P:
382.990
Orbital period (years)
a:
0.369
Semi-major axis (arcseconds)
i:
62.9
Inclination (degrees)
Ω:
294.0
Longitude of ascending node (degrees)
T:
2285.170
Epoch of periastron passage (year)
e:
0.157
Eccentricity
ω:
40.7
Longitude of periastron (degrees)
Start-Year:
1834.0
Year
End-Year:
2216.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
155410.28+165928.0
Epoch-2000 right ascension and declination
WDS-ID:
15542+1659
WDS designation
Discoverer Code:
A2080
Discover designation and components
ADS number:
9831
Aitken Double Star catalog
HD number:
142455
HD catalog number
Hipparcos number:
77875
Hipparcos catalog number
V1:
8.83
Magnitude of the primary
V2:
9.20
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2004
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 0.397 109.9
-------------------------
1834.0 0.286 272.5
1835.0 0.288 273.2
1836.0 0.291 273.9
1837.0 0.293 274.6
1838.0 0.295 275.3
1839.0 0.297 275.9
1840.0 0.299 276.6
1841.0 0.301 277.2
1842.0 0.302 277.8
1843.0 0.304 278.5
1844.0 0.306 279.1
1845.0 0.308 279.7
1846.0 0.309 280.3
1847.0 0.311 280.9
1848.0 0.312 281.5
1849.0 0.313 282.1
1850.0 0.315 282.7
1851.0 0.316 283.3
1852.0 0.317 283.8
1853.0 0.318 284.4
1854.0 0.319 285.0
1855.0 0.320 285.5
1856.0 0.321 286.1
1857.0 0.321 286.6
1858.0 0.322 287.2
1859.0 0.322 287.8
1860.0 0.323 288.3
1861.0 0.323 288.9
1862.0 0.323 289.4
1863.0 0.324 290.0
1864.0 0.324 290.5
1865.0 0.324 291.1
1866.0 0.323 291.6
1867.0 0.323 292.2
1868.0 0.323 292.7
1869.0 0.322 293.3
1870.0 0.322 293.8
1871.0 0.321 294.4
1872.0 0.320 294.9
1873.0 0.320 295.5
1874.0 0.319 296.1
1875.0 0.318 296.6
1876.0 0.316 297.2
1877.0 0.315 297.8
1878.0 0.314 298.4
1879.0 0.312 299.0
1880.0 0.311 299.6
1881.0 0.309 300.2
1882.0 0.307 300.8
1883.0 0.306 301.4
1884.0 0.304 302.0
1885.0 0.302 302.6
1886.0 0.299 303.3
1887.0 0.297 303.9
1888.0 0.295 304.6
1889.0 0.292 305.2
1890.0 0.290 305.9
1891.0 0.287 306.6
1892.0 0.285 307.3
1893.0 0.282 308.0
1894.0 0.279 308.8
1895.0 0.276 309.5
1896.0 0.273 310.3
1897.0 0.270 311.0
1898.0 0.267 311.8
1899.0 0.264 312.7
1900.0 0.261 313.5
1901.0 0.257 314.4
1902.0 0.254 315.2
1903.0 0.250 316.1
1904.0 0.247 317.1
1905.0 0.243 318.0
1906.0 0.240 319.0
1907.0 0.236 320.0
1908.0 0.233 321.1
1909.0 0.229 322.2
1910.0 0.225 323.3
1911.0 0.222 324.4
1912.0 0.218 325.6
1913.0 0.214 326.8
1914.0 0.211 328.1
1915.0 0.207 329.4
1916.0 0.203 330.8
1917.0 0.200 332.2
1918.0 0.196 333.7
1919.0 0.193 335.2
1920.0 0.189 336.8
1921.0 0.186 338.4
1922.0 0.182 340.1
1923.0 0.179 341.9
1924.0 0.176 343.7
1925.0 0.173 345.6
1926.0 0.170 347.6
1927.0 0.167 349.6
1928.0 0.165 351.7
1929.0 0.162 353.8
1930.0 0.160 356.0
1931.0 0.158 358.3
1932.0 0.156 0.7
1933.0 0.154 3.1
1934.0 0.153 5.5
1935.0 0.151 8.0
1936.0 0.150 10.5
1937.0 0.150 13.1
1938.0 0.149 15.7
1939.0 0.149 18.3
1940.0 0.149 20.9
1941.0 0.149 23.5
1942.0 0.149 26.1
1943.0 0.150 28.7
1944.0 0.151 31.2
1945.0 0.152 33.7
1946.0 0.153 36.2
1947.0 0.155 38.7
1948.0 0.157 41.0
1949.0 0.159 43.4
1950.0 0.161 45.6
1951.0 0.163 47.8
1952.0 0.166 49.9
1953.0 0.168 52.0
1954.0 0.171 54.0
1955.0 0.174 55.9
1956.0 0.177 57.8
1957.0 0.181 59.6
1958.0 0.184 61.3
1959.0 0.188 63.0
1960.0 0.191 64.6
1961.0 0.195 66.1
1962.0 0.199 67.6
1963.0 0.202 69.1
1964.0 0.206 70.4
1965.0 0.210 71.8
1966.0 0.214 73.1
1967.0 0.218 74.3
1968.0 0.222 75.5
1969.0 0.226 76.6
1970.0 0.230 77.7
1971.0 0.234 78.8
1972.0 0.238 79.8
1973.0 0.242 80.8
1974.0 0.246 81.8
1975.0 0.250 82.7
1976.0 0.254 83.6
1977.0 0.258 84.5
1978.0 0.262 85.4
1979.0 0.266 86.2
1980.0 0.270 87.0
1981.0 0.274 87.8
1982.0 0.278 88.5
1983.0 0.282 89.3
1984.0 0.286 90.0
1985.0 0.289 90.7
1986.0 0.293 91.4
1987.0 0.297 92.0
1988.0 0.300 92.7
1989.0 0.304 93.3
1990.0 0.308 93.9
1991.0 0.311 94.5
1992.0 0.315 95.1
1993.0 0.318 95.7
1994.0 0.322 96.2
1995.0 0.325 96.8
1996.0 0.328 97.3
1997.0 0.331 97.9
1998.0 0.335 98.4
1999.0 0.338 98.9
2000.0 0.341 99.4
2001.0 0.344 99.9
2002.0 0.347 100.4
2003.0 0.350 100.8
2004.0 0.352 101.3
2005.0 0.355 101.8
2006.0 0.358 102.2
2007.0 0.360 102.7
2008.0 0.363 103.1
2009.0 0.365 103.5
2010.0 0.368 104.0
2011.0 0.370 104.4
2012.0 0.373 104.8
2013.0 0.375 105.2
2014.0 0.377 105.6
2015.0 0.379 106.0
2016.0 0.381 106.4
2017.0 0.383 106.8
2018.0 0.385 107.2
2019.0 0.387 107.6
2020.0 0.389 108.0
2021.0 0.390 108.4
2022.0 0.392 108.7
2023.0 0.394 109.1
2024.0 0.395 109.5
2025.0 0.397 109.9
2026.0 0.398 110.2
2027.0 0.399 110.6
2028.0 0.401 110.9
2029.0 0.402 111.3
2030.0 0.403 111.7
2031.0 0.404 112.0
2032.0 0.405 112.4
2033.0 0.406 112.7
2034.0 0.407 113.1
2035.0 0.407 113.4
2036.0 0.408 113.8
2037.0 0.409 114.1
2038.0 0.409 114.4
2039.0 0.410 114.8
2040.0 0.410 115.1
2041.0 0.411 115.5
2042.0 0.411 115.8
2043.0 0.411 116.2
2044.0 0.411 116.5
2045.0 0.411 116.8
2046.0 0.412 117.2
2047.0 0.412 117.5
2048.0 0.411 117.9
2049.0 0.411 118.2
2050.0 0.411 118.5
2051.0 0.411 118.9
2052.0 0.411 119.2
2053.0 0.410 119.6
2054.0 0.410 119.9
2055.0 0.409 120.2
2056.0 0.409 120.6
2057.0 0.408 120.9
2058.0 0.407 121.3
2059.0 0.407 121.6
2060.0 0.406 122.0
2061.0 0.405 122.3
2062.0 0.404 122.7
2063.0 0.403 123.0
2064.0 0.402 123.4
2065.0 0.401 123.7
2066.0 0.400 124.1
2067.0 0.398 124.5
2068.0 0.397 124.8
2069.0 0.396 125.2
2070.0 0.394 125.6
2071.0 0.393 125.9
2072.0 0.392 126.3
2073.0 0.390 126.7
2074.0 0.388 127.1
2075.0 0.387 127.5
2076.0 0.385 127.8
2077.0 0.383 128.2
2078.0 0.382 128.6
2079.0 0.380 129.0
2080.0 0.378 129.4
2081.0 0.376 129.8
2082.0 0.374 130.2
2083.0 0.372 130.7
2084.0 0.370 131.1
2085.0 0.368 131.5
2086.0 0.366 131.9
2087.0 0.363 132.4
2088.0 0.361 132.8
2089.0 0.359 133.2
2090.0 0.357 133.7
2091.0 0.354 134.1
2092.0 0.352 134.6
2093.0 0.349 135.1
2094.0 0.347 135.6
2095.0 0.344 136.0
2096.0 0.342 136.5
2097.0 0.339 137.0
2098.0 0.337 137.5
2099.0 0.334 138.0
2100.0 0.331 138.6
2101.0 0.329 139.1
2102.0 0.326 139.6
2103.0 0.323 140.2
2104.0 0.320 140.7
2105.0 0.317 141.3
2106.0 0.315 141.9
2107.0 0.312 142.5
2108.0 0.309 143.1
2109.0 0.306 143.7
2110.0 0.303 144.3
2111.0 0.300 144.9
2112.0 0.297 145.6
2113.0 0.294 146.2
2114.0 0.291 146.9
2115.0 0.288 147.6
2116.0 0.285 148.3
2117.0 0.282 149.0
2118.0 0.279 149.7
2119.0 0.276 150.5
2120.0 0.273 151.2
2121.0 0.270 152.0
2122.0 0.267 152.8
2123.0 0.264 153.6
2124.0 0.261 154.5
2125.0 0.258 155.3
2126.0 0.255 156.2
2127.0 0.252 157.1
2128.0 0.249 158.0
2129.0 0.246 159.0
2130.0 0.243 159.9
2131.0 0.240 160.9
2132.0 0.238 161.9
2133.0 0.235 162.9
2134.0 0.232 164.0
2135.0 0.229 165.1
2136.0 0.226 166.2
2137.0 0.224 167.3
2138.0 0.221 168.5
2139.0 0.219 169.7
2140.0 0.216 170.9
2141.0 0.214 172.1
2142.0 0.211 173.4
2143.0 0.209 174.7
2144.0 0.207 176.1
2145.0 0.205 177.4
2146.0 0.202 178.8
2147.0 0.200 180.2
2148.0 0.199 181.7
2149.0 0.197 183.2
2150.0 0.195 184.7
2151.0 0.193 186.2
2152.0 0.192 187.7
2153.0 0.190 189.3
2154.0 0.189 190.9
2155.0 0.188 192.5
2156.0 0.187 194.2
2157.0 0.186 195.8
2158.0 0.185 197.5
2159.0 0.184 199.2
2160.0 0.183 200.9
2161.0 0.183 202.6
2162.0 0.183 204.4
2163.0 0.182 206.1
2164.0 0.182 207.8
2165.0 0.182 209.6
2166.0 0.182 211.3
2167.0 0.183 213.0
2168.0 0.183 214.7
2169.0 0.184 216.5
2170.0 0.184 218.2
2171.0 0.185 219.8
2172.0 0.186 221.5
2173.0 0.187 223.2
2174.0 0.188 224.8
2175.0 0.189 226.4
2176.0 0.191 228.0
2177.0 0.192 229.6
2178.0 0.193 231.2
2179.0 0.195 232.7
2180.0 0.197 234.2
2181.0 0.199 235.7
2182.0 0.201 237.1
2183.0 0.202 238.5
2184.0 0.204 239.9
2185.0 0.207 241.3
2186.0 0.209 242.6
2187.0 0.211 243.9
2188.0 0.213 245.2
2189.0 0.216 246.5
2190.0 0.218 247.7
2191.0 0.220 248.9
2192.0 0.223 250.0
2193.0 0.225 251.2
2194.0 0.228 252.3
2195.0 0.230 253.4
2196.0 0.233 254.5
2197.0 0.236 255.5
2198.0 0.238 256.6
2199.0 0.241 257.6
2200.0 0.243 258.5
2201.0 0.246 259.5
2202.0 0.249 260.4
2203.0 0.251 261.4
2204.0 0.254 262.3
2205.0 0.257 263.2
2206.0 0.259 264.0
2207.0 0.262 264.9
2208.0 0.264 265.7
2209.0 0.267 266.5
2210.0 0.269 267.3
2211.0 0.272 268.1
2212.0 0.274 268.9
2213.0 0.277 269.6
2214.0 0.279 270.4
2215.0 0.282 271.1
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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