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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:59:21
WDS:
STT80
WDS ID/Discoverer
P:
394.000
Orbital period (years)
a:
0.522
Semi-major axis (arcseconds)
i:
106.7
Inclination (degrees)
Ω:
13.9
Longitude of ascending node (degrees)
T:
2181.000
Epoch of periastron passage (year)
e:
0.52
Eccentricity
ω:
67.7
Longitude of periastron (degrees)
Start-Year:
1828.0
Year
End-Year:
2222.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
042335.82+422540.4
Epoch-2000 right ascension and declination
WDS-ID:
04236+4226
WDS designation
Discoverer Code:
STT80
Discover designation and components
ADS number:
3172
Aitken Double Star catalog
HD number:
27650
HD catalog number
Hipparcos number:
20498
Hipparcos catalog number
V1:
6.38
Magnitude of the primary
V2:
8.41
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 0.244 130.4
-------------------------
1828.0 0.390 198.6
1829.0 0.397 198.2
1830.0 0.404 197.8
1831.0 0.411 197.4
1832.0 0.417 197.1
1833.0 0.424 196.7
1834.0 0.430 196.4
1835.0 0.436 196.1
1836.0 0.441 195.8
1837.0 0.447 195.4
1838.0 0.453 195.1
1839.0 0.458 194.8
1840.0 0.463 194.6
1841.0 0.468 194.3
1842.0 0.473 194.0
1843.0 0.477 193.7
1844.0 0.482 193.5
1845.0 0.486 193.2
1846.0 0.491 192.9
1847.0 0.495 192.7
1848.0 0.499 192.4
1849.0 0.502 192.2
1850.0 0.506 192.0
1851.0 0.510 191.7
1852.0 0.513 191.5
1853.0 0.516 191.3
1854.0 0.520 191.0
1855.0 0.523 190.8
1856.0 0.526 190.6
1857.0 0.528 190.4
1858.0 0.531 190.1
1859.0 0.534 189.9
1860.0 0.536 189.7
1861.0 0.539 189.5
1862.0 0.541 189.3
1863.0 0.543 189.1
1864.0 0.545 188.9
1865.0 0.547 188.7
1866.0 0.549 188.5
1867.0 0.551 188.3
1868.0 0.552 188.1
1869.0 0.554 187.9
1870.0 0.556 187.7
1871.0 0.557 187.5
1872.0 0.558 187.3
1873.0 0.559 187.1
1874.0 0.561 186.9
1875.0 0.562 186.7
1876.0 0.563 186.5
1877.0 0.563 186.3
1878.0 0.564 186.1
1879.0 0.565 185.9
1880.0 0.566 185.7
1881.0 0.566 185.5
1882.0 0.567 185.4
1883.0 0.567 185.2
1884.0 0.567 185.0
1885.0 0.568 184.8
1886.0 0.568 184.6
1887.0 0.568 184.4
1888.0 0.568 184.2
1889.0 0.568 184.0
1890.0 0.568 183.8
1891.0 0.568 183.6
1892.0 0.568 183.5
1893.0 0.567 183.3
1894.0 0.567 183.1
1895.0 0.567 182.9
1896.0 0.566 182.7
1897.0 0.566 182.5
1898.0 0.565 182.3
1899.0 0.565 182.1
1900.0 0.564 181.9
1901.0 0.563 181.7
1902.0 0.562 181.5
1903.0 0.561 181.4
1904.0 0.561 181.2
1905.0 0.560 181.0
1906.0 0.559 180.8
1907.0 0.557 180.6
1908.0 0.556 180.4
1909.0 0.555 180.2
1910.0 0.554 180.0
1911.0 0.553 179.8
1912.0 0.551 179.6
1913.0 0.550 179.4
1914.0 0.549 179.2
1915.0 0.547 179.0
1916.0 0.546 178.8
1917.0 0.544 178.6
1918.0 0.542 178.4
1919.0 0.541 178.1
1920.0 0.539 177.9
1921.0 0.537 177.7
1922.0 0.536 177.5
1923.0 0.534 177.3
1924.0 0.532 177.1
1925.0 0.530 176.9
1926.0 0.528 176.6
1927.0 0.526 176.4
1928.0 0.524 176.2
1929.0 0.522 176.0
1930.0 0.520 175.8
1931.0 0.518 175.5
1932.0 0.516 175.3
1933.0 0.514 175.1
1934.0 0.511 174.8
1935.0 0.509 174.6
1936.0 0.507 174.4
1937.0 0.504 174.1
1938.0 0.502 173.9
1939.0 0.500 173.6
1940.0 0.497 173.4
1941.0 0.495 173.1
1942.0 0.492 172.9
1943.0 0.490 172.6
1944.0 0.487 172.4
1945.0 0.485 172.1
1946.0 0.482 171.9
1947.0 0.479 171.6
1948.0 0.477 171.3
1949.0 0.474 171.1
1950.0 0.471 170.8
1951.0 0.469 170.5
1952.0 0.466 170.2
1953.0 0.463 170.0
1954.0 0.460 169.7
1955.0 0.457 169.4
1956.0 0.455 169.1
1957.0 0.452 168.8
1958.0 0.449 168.5
1959.0 0.446 168.2
1960.0 0.443 167.9
1961.0 0.440 167.6
1962.0 0.437 167.2
1963.0 0.434 166.9
1964.0 0.431 166.6
1965.0 0.428 166.3
1966.0 0.425 165.9
1967.0 0.422 165.6
1968.0 0.419 165.2
1969.0 0.416 164.9
1970.0 0.412 164.5
1971.0 0.409 164.2
1972.0 0.406 163.8
1973.0 0.403 163.4
1974.0 0.400 163.0
1975.0 0.397 162.7
1976.0 0.393 162.3
1977.0 0.390 161.9
1978.0 0.387 161.5
1979.0 0.384 161.0
1980.0 0.381 160.6
1981.0 0.377 160.2
1982.0 0.374 159.8
1983.0 0.371 159.3
1984.0 0.368 158.9
1985.0 0.364 158.4
1986.0 0.361 158.0
1987.0 0.358 157.5
1988.0 0.355 157.0
1989.0 0.351 156.5
1990.0 0.348 156.0
1991.0 0.345 155.5
1992.0 0.342 155.0
1993.0 0.338 154.5
1994.0 0.335 153.9
1995.0 0.332 153.4
1996.0 0.329 152.8
1997.0 0.325 152.2
1998.0 0.322 151.7
1999.0 0.319 151.1
2000.0 0.316 150.5
2001.0 0.313 149.8
2002.0 0.309 149.2
2003.0 0.306 148.6
2004.0 0.303 147.9
2005.0 0.300 147.2
2006.0 0.297 146.5
2007.0 0.294 145.8
2008.0 0.291 145.1
2009.0 0.288 144.4
2010.0 0.285 143.7
2011.0 0.282 142.9
2012.0 0.279 142.1
2013.0 0.276 141.3
2014.0 0.273 140.5
2015.0 0.270 139.7
2016.0 0.267 138.8
2017.0 0.265 138.0
2018.0 0.262 137.1
2019.0 0.259 136.2
2020.0 0.257 135.3
2021.0 0.254 134.3
2022.0 0.251 133.4
2023.0 0.249 132.4
2024.0 0.247 131.4
2025.0 0.244 130.4
2026.0 0.242 129.4
2027.0 0.240 128.3
2028.0 0.237 127.2
2029.0 0.235 126.1
2030.0 0.233 125.0
2031.0 0.231 123.9
2032.0 0.229 122.7
2033.0 0.227 121.6
2034.0 0.226 120.4
2035.0 0.224 119.2
2036.0 0.222 117.9
2037.0 0.221 116.7
2038.0 0.219 115.4
2039.0 0.218 114.1
2040.0 0.217 112.8
2041.0 0.216 111.5
2042.0 0.215 110.2
2043.0 0.214 108.9
2044.0 0.213 107.5
2045.0 0.212 106.2
2046.0 0.211 104.8
2047.0 0.211 103.5
2048.0 0.210 102.1
2049.0 0.210 100.7
2050.0 0.210 99.3
2051.0 0.209 97.9
2052.0 0.209 96.5
2053.0 0.209 95.1
2054.0 0.210 93.7
2055.0 0.210 92.3
2056.0 0.210 91.0
2057.0 0.211 89.6
2058.0 0.211 88.2
2059.0 0.212 86.8
2060.0 0.213 85.5
2061.0 0.214 84.1
2062.0 0.214 82.8
2063.0 0.216 81.5
2064.0 0.217 80.2
2065.0 0.218 78.9
2066.0 0.219 77.6
2067.0 0.221 76.3
2068.0 0.222 75.1
2069.0 0.224 73.9
2070.0 0.225 72.6
2071.0 0.227 71.4
2072.0 0.229 70.3
2073.0 0.231 69.1
2074.0 0.232 68.0
2075.0 0.234 66.8
2076.0 0.236 65.7
2077.0 0.239 64.7
2078.0 0.241 63.6
2079.0 0.243 62.6
2080.0 0.245 61.5
2081.0 0.247 60.5
2082.0 0.250 59.5
2083.0 0.252 58.6
2084.0 0.254 57.6
2085.0 0.257 56.7
2086.0 0.259 55.8
2087.0 0.262 54.9
2088.0 0.264 54.0
2089.0 0.267 53.1
2090.0 0.269 52.3
2091.0 0.272 51.4
2092.0 0.275 50.6
2093.0 0.277 49.8
2094.0 0.280 49.0
2095.0 0.283 48.2
2096.0 0.285 47.5
2097.0 0.288 46.7
2098.0 0.290 46.0
2099.0 0.293 45.3
2100.0 0.296 44.6
2101.0 0.298 43.9
2102.0 0.301 43.2
2103.0 0.303 42.5
2104.0 0.306 41.9
2105.0 0.308 41.2
2106.0 0.311 40.6
2107.0 0.313 40.0
2108.0 0.316 39.4
2109.0 0.318 38.7
2110.0 0.321 38.1
2111.0 0.323 37.6
2112.0 0.325 37.0
2113.0 0.328 36.4
2114.0 0.330 35.8
2115.0 0.332 35.3
2116.0 0.334 34.7
2117.0 0.336 34.2
2118.0 0.338 33.6
2119.0 0.340 33.1
2120.0 0.342 32.6
2121.0 0.344 32.1
2122.0 0.346 31.6
2123.0 0.347 31.0
2124.0 0.349 30.5
2125.0 0.350 30.0
2126.0 0.352 29.5
2127.0 0.353 29.1
2128.0 0.354 28.6
2129.0 0.355 28.1
2130.0 0.356 27.6
2131.0 0.357 27.1
2132.0 0.358 26.6
2133.0 0.358 26.2
2134.0 0.359 25.7
2135.0 0.359 25.2
2136.0 0.360 24.7
2137.0 0.360 24.3
2138.0 0.360 23.8
2139.0 0.359 23.3
2140.0 0.359 22.8
2141.0 0.358 22.4
2142.0 0.358 21.9
2143.0 0.357 21.4
2144.0 0.356 20.9
2145.0 0.354 20.4
2146.0 0.353 20.0
2147.0 0.351 19.5
2148.0 0.349 19.0
2149.0 0.347 18.5
2150.0 0.344 18.0
2151.0 0.342 17.4
2152.0 0.339 16.9
2153.0 0.335 16.4
2154.0 0.332 15.8
2155.0 0.328 15.3
2156.0 0.324 14.7
2157.0 0.320 14.1
2158.0 0.315 13.5
2159.0 0.310 12.9
2160.0 0.304 12.2
2161.0 0.299 11.5
2162.0 0.292 10.8
2163.0 0.286 10.1
2164.0 0.279 9.3
2165.0 0.272 8.5
2166.0 0.264 7.7
2167.0 0.256 6.8
2168.0 0.248 5.8
2169.0 0.240 4.8
2170.0 0.230 3.7
2171.0 0.221 2.5
2172.0 0.211 1.2
2173.0 0.201 359.8
2174.0 0.191 358.2
2175.0 0.181 356.4
2176.0 0.170 354.4
2177.0 0.159 352.2
2178.0 0.148 349.6
2179.0 0.137 346.6
2180.0 0.127 343.0
2181.0 0.116 338.9
2182.0 0.106 333.9
2183.0 0.097 328.0
2184.0 0.088 320.8
2185.0 0.082 312.3
2186.0 0.077 302.5
2187.0 0.074 291.7
2188.0 0.074 280.5
2189.0 0.077 269.8
2190.0 0.082 260.0
2191.0 0.089 251.5
2192.0 0.097 244.4
2193.0 0.106 238.5
2194.0 0.117 233.5
2195.0 0.127 229.4
2196.0 0.138 226.0
2197.0 0.150 223.0
2198.0 0.161 220.5
2199.0 0.172 218.3
2200.0 0.184 216.3
2201.0 0.195 214.6
2202.0 0.206 213.1
2203.0 0.217 211.7
2204.0 0.228 210.5
2205.0 0.239 209.4
2206.0 0.249 208.3
2207.0 0.260 207.4
2208.0 0.270 206.5
2209.0 0.280 205.7
2210.0 0.290 205.0
2211.0 0.299 204.3
2212.0 0.308 203.6
2213.0 0.318 203.0
2214.0 0.326 202.4
2215.0 0.335 201.8
2216.0 0.344 201.3
2217.0 0.352 200.8
2218.0 0.360 200.3
2219.0 0.368 199.9
2220.0 0.375 199.4
2221.0 0.383 199.0
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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