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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:17:32
WDS:
B1001
WDS ID/Discoverer
P:
265.930
Orbital period (years)
a:
0.322
Semi-major axis (arcseconds)
i:
131.2
Inclination (degrees)
Ω:
187.0
Longitude of ascending node (degrees)
T:
1969.510
Epoch of periastron passage (year)
e:
0.369
Eccentricity
ω:
219.0
Longitude of periastron (degrees)
Start-Year:
1893.0
Year
End-Year:
2157.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
205612.31-314558.7
Epoch-2000 right ascension and declination
WDS-ID:
20562-3146
WDS designation
Discoverer Code:
B1001
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
199147
HD catalog number
Hipparcos number:
.
Hipparcos catalog number
V1:
9.4
Magnitude of the primary
V2:
9.7
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2014
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 0.319 203.2
-------------------------
1893.0 0.257 111.2
1894.0 0.255 109.8
1895.0 0.253 108.5
1896.0 0.251 107.2
1897.0 0.249 105.8
1898.0 0.247 104.4
1899.0 0.246 103.0
1900.0 0.244 101.6
1901.0 0.242 100.1
1902.0 0.240 98.6
1903.0 0.239 97.1
1904.0 0.237 95.6
1905.0 0.236 94.1
1906.0 0.234 92.5
1907.0 0.233 90.9
1908.0 0.232 89.4
1909.0 0.231 87.7
1910.0 0.230 86.1
1911.0 0.229 84.5
1912.0 0.228 82.8
1913.0 0.227 81.2
1914.0 0.226 79.5
1915.0 0.226 77.8
1916.0 0.225 76.1
1917.0 0.225 74.4
1918.0 0.224 72.7
1919.0 0.224 71.0
1920.0 0.224 69.3
1921.0 0.224 67.6
1922.0 0.223 65.9
1923.0 0.223 64.1
1924.0 0.223 62.4
1925.0 0.223 60.7
1926.0 0.224 59.0
1927.0 0.224 57.3
1928.0 0.224 55.5
1929.0 0.224 53.8
1930.0 0.224 52.1
1931.0 0.225 50.4
1932.0 0.225 48.7
1933.0 0.225 47.0
1934.0 0.226 45.3
1935.0 0.226 43.7
1936.0 0.226 42.0
1937.0 0.227 40.3
1938.0 0.227 38.6
1939.0 0.227 37.0
1940.0 0.228 35.3
1941.0 0.228 33.7
1942.0 0.228 32.0
1943.0 0.228 30.3
1944.0 0.228 28.7
1945.0 0.228 27.0
1946.0 0.227 25.4
1947.0 0.227 23.7
1948.0 0.226 22.0
1949.0 0.226 20.4
1950.0 0.225 18.7
1951.0 0.224 17.0
1952.0 0.223 15.2
1953.0 0.222 13.5
1954.0 0.221 11.7
1955.0 0.219 10.0
1956.0 0.217 8.2
1957.0 0.215 6.3
1958.0 0.213 4.5
1959.0 0.211 2.6
1960.0 0.209 0.6
1961.0 0.206 358.6
1962.0 0.203 356.6
1963.0 0.201 354.5
1964.0 0.198 352.3
1965.0 0.194 350.1
1966.0 0.191 347.7
1967.0 0.188 345.3
1968.0 0.184 342.9
1969.0 0.181 340.3
1970.0 0.177 337.6
1971.0 0.174 334.8
1972.0 0.170 331.9
1973.0 0.167 328.9
1974.0 0.164 325.7
1975.0 0.160 322.5
1976.0 0.158 319.1
1977.0 0.155 315.5
1978.0 0.153 311.9
1979.0 0.150 308.2
1980.0 0.149 304.3
1981.0 0.147 300.4
1982.0 0.147 296.4
1983.0 0.146 292.4
1984.0 0.146 288.4
1985.0 0.147 284.4
1986.0 0.148 280.4
1987.0 0.149 276.5
1988.0 0.151 272.6
1989.0 0.153 268.9
1990.0 0.156 265.3
1991.0 0.159 261.8
1992.0 0.162 258.5
1993.0 0.166 255.3
1994.0 0.170 252.2
1995.0 0.174 249.3
1996.0 0.178 246.5
1997.0 0.183 243.9
1998.0 0.187 241.4
1999.0 0.192 239.0
2000.0 0.197 236.7
2001.0 0.202 234.6
2002.0 0.207 232.5
2003.0 0.213 230.6
2004.0 0.218 228.7
2005.0 0.223 226.9
2006.0 0.228 225.3
2007.0 0.234 223.6
2008.0 0.239 222.1
2009.0 0.244 220.6
2010.0 0.249 219.2
2011.0 0.254 217.9
2012.0 0.259 216.6
2013.0 0.264 215.3
2014.0 0.269 214.1
2015.0 0.274 212.9
2016.0 0.279 211.8
2017.0 0.284 210.7
2018.0 0.289 209.7
2019.0 0.293 208.7
2020.0 0.298 207.7
2021.0 0.302 206.7
2022.0 0.306 205.8
2023.0 0.311 204.9
2024.0 0.315 204.0
2025.0 0.319 203.2
2026.0 0.323 202.3
2027.0 0.327 201.5
2028.0 0.331 200.7
2029.0 0.334 199.9
2030.0 0.338 199.2
2031.0 0.342 198.4
2032.0 0.345 197.7
2033.0 0.348 197.0
2034.0 0.352 196.3
2035.0 0.355 195.6
2036.0 0.358 194.9
2037.0 0.361 194.3
2038.0 0.364 193.6
2039.0 0.367 193.0
2040.0 0.369 192.3
2041.0 0.372 191.7
2042.0 0.375 191.1
2043.0 0.377 190.5
2044.0 0.379 189.9
2045.0 0.382 189.3
2046.0 0.384 188.7
2047.0 0.386 188.1
2048.0 0.388 187.6
2049.0 0.390 187.0
2050.0 0.392 186.4
2051.0 0.394 185.9
2052.0 0.395 185.3
2053.0 0.397 184.8
2054.0 0.398 184.2
2055.0 0.400 183.7
2056.0 0.401 183.1
2057.0 0.403 182.6
2058.0 0.404 182.1
2059.0 0.405 181.6
2060.0 0.406 181.0
2061.0 0.407 180.5
2062.0 0.408 180.0
2063.0 0.409 179.5
2064.0 0.409 179.0
2065.0 0.410 178.5
2066.0 0.411 177.9
2067.0 0.411 177.4
2068.0 0.412 176.9
2069.0 0.412 176.4
2070.0 0.412 175.9
2071.0 0.413 175.4
2072.0 0.413 174.9
2073.0 0.413 174.4
2074.0 0.413 173.9
2075.0 0.413 173.4
2076.0 0.413 172.9
2077.0 0.413 172.4
2078.0 0.412 171.9
2079.0 0.412 171.4
2080.0 0.412 170.9
2081.0 0.411 170.4
2082.0 0.411 169.9
2083.0 0.410 169.3
2084.0 0.410 168.8
2085.0 0.409 168.3
2086.0 0.408 167.8
2087.0 0.407 167.3
2088.0 0.407 166.8
2089.0 0.406 166.2
2090.0 0.405 165.7
2091.0 0.404 165.2
2092.0 0.403 164.7
2093.0 0.401 164.1
2094.0 0.400 163.6
2095.0 0.399 163.1
2096.0 0.398 162.5
2097.0 0.396 162.0
2098.0 0.395 161.4
2099.0 0.394 160.9
2100.0 0.392 160.3
2101.0 0.391 159.8
2102.0 0.389 159.2
2103.0 0.387 158.6
2104.0 0.386 158.0
2105.0 0.384 157.5
2106.0 0.382 156.9
2107.0 0.380 156.3
2108.0 0.379 155.7
2109.0 0.377 155.1
2110.0 0.375 154.5
2111.0 0.373 153.9
2112.0 0.371 153.2
2113.0 0.369 152.6
2114.0 0.367 152.0
2115.0 0.365 151.3
2116.0 0.362 150.7
2117.0 0.360 150.0
2118.0 0.358 149.4
2119.0 0.356 148.7
2120.0 0.354 148.0
2121.0 0.351 147.3
2122.0 0.349 146.6
2123.0 0.347 145.9
2124.0 0.344 145.2
2125.0 0.342 144.5
2126.0 0.339 143.7
2127.0 0.337 143.0
2128.0 0.334 142.2
2129.0 0.332 141.4
2130.0 0.329 140.6
2131.0 0.327 139.8
2132.0 0.324 139.0
2133.0 0.322 138.2
2134.0 0.319 137.4
2135.0 0.317 136.5
2136.0 0.314 135.7
2137.0 0.312 134.8
2138.0 0.309 133.9
2139.0 0.306 133.0
2140.0 0.304 132.1
2141.0 0.301 131.1
2142.0 0.299 130.2
2143.0 0.296 129.2
2144.0 0.293 128.2
2145.0 0.291 127.2
2146.0 0.288 126.2
2147.0 0.286 125.1
2148.0 0.283 124.1
2149.0 0.281 123.0
2150.0 0.278 121.9
2151.0 0.276 120.8
2152.0 0.273 119.6
2153.0 0.271 118.5
2154.0 0.269 117.3
2155.0 0.266 116.1
2156.0 0.264 114.9
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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