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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:55:30
WDS:
A1936BC
WDS ID/Discoverer
P:
225.000
Orbital period (years)
a:
0.425
Semi-major axis (arcseconds)
i:
152.4
Inclination (degrees)
Ω:
68.9
Longitude of ascending node (degrees)
T:
1978.870
Epoch of periastron passage (year)
e:
0.179
Eccentricity
ω:
51.3
Longitude of periastron (degrees)
Start-Year:
1913.0
Year
End-Year:
2137.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
040009.54+081818.9
Epoch-2000 right ascension and declination
WDS-ID:
04002+0818
WDS designation
Discoverer Code:
A1936BC
Discover designation and components
ADS number:
2923
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
.
Hipparcos catalog number
V1:
9.6
Magnitude of the primary
V2:
9.7
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2016
Date of last observation
Orbit grade:
5
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 0.403 280.1
-------------------------
1913.0 0.410 139.3
1914.0 0.409 137.7
1915.0 0.408 136.2
1916.0 0.407 134.7
1917.0 0.407 133.2
1918.0 0.406 131.7
1919.0 0.405 130.1
1920.0 0.404 128.6
1921.0 0.404 127.1
1922.0 0.403 125.5
1923.0 0.402 124.0
1924.0 0.402 122.4
1925.0 0.401 120.8
1926.0 0.400 119.3
1927.0 0.400 117.7
1928.0 0.399 116.1
1929.0 0.398 114.5
1930.0 0.398 112.9
1931.0 0.397 111.3
1932.0 0.396 109.7
1933.0 0.395 108.1
1934.0 0.395 106.5
1935.0 0.394 104.9
1936.0 0.393 103.3
1937.0 0.392 101.6
1938.0 0.392 100.0
1939.0 0.391 98.3
1940.0 0.390 96.7
1941.0 0.389 95.0
1942.0 0.388 93.4
1943.0 0.387 91.7
1944.0 0.386 90.0
1945.0 0.385 88.3
1946.0 0.384 86.6
1947.0 0.383 84.9
1948.0 0.382 83.2
1949.0 0.380 81.4
1950.0 0.379 79.7
1951.0 0.378 77.9
1952.0 0.376 76.1
1953.0 0.375 74.4
1954.0 0.373 72.6
1955.0 0.372 70.7
1956.0 0.370 68.9
1957.0 0.368 67.1
1958.0 0.366 65.2
1959.0 0.365 63.3
1960.0 0.363 61.4
1961.0 0.361 59.5
1962.0 0.359 57.5
1963.0 0.357 55.6
1964.0 0.355 53.6
1965.0 0.353 51.6
1966.0 0.351 49.5
1967.0 0.349 47.5
1968.0 0.347 45.4
1969.0 0.344 43.3
1970.0 0.342 41.1
1971.0 0.340 39.0
1972.0 0.338 36.8
1973.0 0.336 34.6
1974.0 0.334 32.3
1975.0 0.332 30.0
1976.0 0.330 27.7
1977.0 0.328 25.4
1978.0 0.327 23.1
1979.0 0.325 20.7
1980.0 0.324 18.3
1981.0 0.322 15.9
1982.0 0.321 13.5
1983.0 0.320 11.0
1984.0 0.319 8.5
1985.0 0.318 6.0
1986.0 0.317 3.5
1987.0 0.317 1.0
1988.0 0.316 358.5
1989.0 0.316 356.0
1990.0 0.316 353.5
1991.0 0.316 350.9
1992.0 0.317 348.4
1993.0 0.317 345.9
1994.0 0.318 343.4
1995.0 0.319 340.9
1996.0 0.320 338.5
1997.0 0.321 336.0
1998.0 0.323 333.6
1999.0 0.325 331.2
2000.0 0.326 328.8
2001.0 0.328 326.5
2002.0 0.331 324.1
2003.0 0.333 321.9
2004.0 0.335 319.6
2005.0 0.338 317.4
2006.0 0.341 315.2
2007.0 0.343 313.0
2008.0 0.346 310.9
2009.0 0.349 308.8
2010.0 0.352 306.8
2011.0 0.355 304.8
2012.0 0.359 302.8
2013.0 0.362 300.8
2014.0 0.365 298.9
2015.0 0.369 297.1
2016.0 0.372 295.2
2017.0 0.375 293.4
2018.0 0.379 291.7
2019.0 0.382 289.9
2020.0 0.386 288.2
2021.0 0.389 286.5
2022.0 0.392 284.9
2023.0 0.396 283.3
2024.0 0.399 281.7
2025.0 0.403 280.1
2026.0 0.406 278.5
2027.0 0.409 277.0
2028.0 0.412 275.5
2029.0 0.415 274.1
2030.0 0.419 272.6
2031.0 0.422 271.2
2032.0 0.425 269.8
2033.0 0.428 268.4
2034.0 0.430 267.0
2035.0 0.433 265.7
2036.0 0.436 264.3
2037.0 0.439 263.0
2038.0 0.441 261.7
2039.0 0.444 260.4
2040.0 0.446 259.2
2041.0 0.448 257.9
2042.0 0.451 256.7
2043.0 0.453 255.4
2044.0 0.455 254.2
2045.0 0.457 253.0
2046.0 0.459 251.8
2047.0 0.461 250.6
2048.0 0.462 249.4
2049.0 0.464 248.2
2050.0 0.466 247.1
2051.0 0.467 245.9
2052.0 0.469 244.8
2053.0 0.470 243.6
2054.0 0.471 242.5
2055.0 0.472 241.3
2056.0 0.474 240.2
2057.0 0.475 239.1
2058.0 0.476 238.0
2059.0 0.476 236.9
2060.0 0.477 235.8
2061.0 0.478 234.7
2062.0 0.478 233.6
2063.0 0.479 232.5
2064.0 0.479 231.4
2065.0 0.480 230.3
2066.0 0.480 229.2
2067.0 0.480 228.1
2068.0 0.480 227.0
2069.0 0.481 225.9
2070.0 0.481 224.8
2071.0 0.481 223.7
2072.0 0.480 222.6
2073.0 0.480 221.5
2074.0 0.480 220.4
2075.0 0.480 219.3
2076.0 0.479 218.2
2077.0 0.479 217.1
2078.0 0.478 216.0
2079.0 0.478 214.9
2080.0 0.477 213.8
2081.0 0.477 212.7
2082.0 0.476 211.6
2083.0 0.475 210.5
2084.0 0.474 209.4
2085.0 0.474 208.3
2086.0 0.473 207.1
2087.0 0.472 206.0
2088.0 0.471 204.9
2089.0 0.470 203.7
2090.0 0.469 202.6
2091.0 0.468 201.4
2092.0 0.466 200.3
2093.0 0.465 199.1
2094.0 0.464 198.0
2095.0 0.463 196.8
2096.0 0.462 195.6
2097.0 0.460 194.4
2098.0 0.459 193.2
2099.0 0.458 192.0
2100.0 0.457 190.8
2101.0 0.455 189.6
2102.0 0.454 188.4
2103.0 0.453 187.2
2104.0 0.451 185.9
2105.0 0.450 184.7
2106.0 0.448 183.4
2107.0 0.447 182.2
2108.0 0.446 180.9
2109.0 0.444 179.6
2110.0 0.443 178.4
2111.0 0.441 177.1
2112.0 0.440 175.8
2113.0 0.439 174.5
2114.0 0.437 173.2
2115.0 0.436 171.8
2116.0 0.435 170.5
2117.0 0.433 169.2
2118.0 0.432 167.8
2119.0 0.431 166.5
2120.0 0.429 165.1
2121.0 0.428 163.7
2122.0 0.427 162.4
2123.0 0.426 161.0
2124.0 0.424 159.6
2125.0 0.423 158.2
2126.0 0.422 156.8
2127.0 0.421 155.3
2128.0 0.420 153.9
2129.0 0.419 152.5
2130.0 0.418 151.0
2131.0 0.416 149.6
2132.0 0.415 148.1
2133.0 0.414 146.7
2134.0 0.413 145.2
2135.0 0.413 143.7
2136.0 0.412 142.2
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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