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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:36:28
WDS:
A2696BC
WDS ID/Discoverer
P:
302.100
Orbital period (years)
a:
0.481
Semi-major axis (arcseconds)
i:
159.0
Inclination (degrees)
Ω:
172.1
Longitude of ascending node (degrees)
T:
1919.180
Epoch of periastron passage (year)
e:
0.518
Eccentricity
ω:
300.5
Longitude of periastron (degrees)
Start-Year:
1874.0
Year
End-Year:
2176.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
224504.43-023923.2
Epoch-2000 right ascension and declination
WDS-ID:
22451-0240
WDS designation
Discoverer Code:
A2696BC
Discover designation and components
ADS number:
16235
Aitken Double Star catalog
HD number:
215415
HD catalog number
Hipparcos number:
112325
Hipparcos catalog number
V1:
10.31
Magnitude of the primary
V2:
10.16
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2008
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 0.638 71.9
-------------------------
1874.0 0.452 347.2
1875.0 0.446 346.2
1876.0 0.440 345.0
1877.0 0.435 343.9
1878.0 0.429 342.7
1879.0 0.423 341.5
1880.0 0.417 340.2
1881.0 0.411 339.0
1882.0 0.405 337.6
1883.0 0.399 336.3
1884.0 0.392 334.9
1885.0 0.386 333.4
1886.0 0.380 331.9
1887.0 0.373 330.3
1888.0 0.367 328.7
1889.0 0.360 327.1
1890.0 0.354 325.3
1891.0 0.347 323.5
1892.0 0.340 321.7
1893.0 0.334 319.7
1894.0 0.327 317.7
1895.0 0.320 315.6
1896.0 0.314 313.4
1897.0 0.307 311.2
1898.0 0.301 308.8
1899.0 0.294 306.3
1900.0 0.288 303.7
1901.0 0.281 301.0
1902.0 0.275 298.1
1903.0 0.269 295.1
1904.0 0.263 292.0
1905.0 0.258 288.8
1906.0 0.252 285.4
1907.0 0.247 281.8
1908.0 0.242 278.2
1909.0 0.238 274.3
1910.0 0.234 270.4
1911.0 0.230 266.3
1912.0 0.227 262.1
1913.0 0.225 257.8
1914.0 0.222 253.4
1915.0 0.221 248.9
1916.0 0.220 244.3
1917.0 0.220 239.8
1918.0 0.220 235.2
1919.0 0.220 230.7
1920.0 0.222 226.2
1921.0 0.223 221.7
1922.0 0.225 217.3
1923.0 0.228 213.0
1924.0 0.231 208.9
1925.0 0.234 204.8
1926.0 0.238 200.9
1927.0 0.242 197.0
1928.0 0.246 193.4
1929.0 0.251 189.8
1930.0 0.256 186.4
1931.0 0.260 183.1
1932.0 0.265 179.9
1933.0 0.270 176.8
1934.0 0.276 173.8
1935.0 0.281 171.0
1936.0 0.286 168.3
1937.0 0.291 165.6
1938.0 0.297 163.1
1939.0 0.302 160.6
1940.0 0.307 158.2
1941.0 0.313 155.9
1942.0 0.318 153.7
1943.0 0.324 151.6
1944.0 0.329 149.5
1945.0 0.334 147.5
1946.0 0.340 145.6
1947.0 0.345 143.7
1948.0 0.350 141.9
1949.0 0.355 140.1
1950.0 0.361 138.4
1951.0 0.366 136.7
1952.0 0.371 135.1
1953.0 0.376 133.5
1954.0 0.381 132.0
1955.0 0.386 130.5
1956.0 0.391 129.0
1957.0 0.396 127.6
1958.0 0.401 126.2
1959.0 0.406 124.9
1960.0 0.411 123.6
1961.0 0.416 122.3
1962.0 0.421 121.0
1963.0 0.425 119.8
1964.0 0.430 118.6
1965.0 0.435 117.4
1966.0 0.439 116.2
1967.0 0.444 115.1
1968.0 0.448 114.0
1969.0 0.453 112.9
1970.0 0.457 111.9
1971.0 0.462 110.8
1972.0 0.466 109.8
1973.0 0.470 108.8
1974.0 0.475 107.8
1975.0 0.479 106.8
1976.0 0.483 105.9
1977.0 0.487 105.0
1978.0 0.491 104.0
1979.0 0.495 103.1
1980.0 0.499 102.2
1981.0 0.503 101.4
1982.0 0.507 100.5
1983.0 0.511 99.7
1984.0 0.515 98.8
1985.0 0.519 98.0
1986.0 0.523 97.2
1987.0 0.526 96.4
1988.0 0.530 95.6
1989.0 0.534 94.8
1990.0 0.537 94.0
1991.0 0.541 93.3
1992.0 0.544 92.5
1993.0 0.548 91.8
1994.0 0.551 91.1
1995.0 0.555 90.4
1996.0 0.558 89.6
1997.0 0.561 88.9
1998.0 0.565 88.2
1999.0 0.568 87.6
2000.0 0.571 86.9
2001.0 0.574 86.2
2002.0 0.577 85.5
2003.0 0.580 84.9
2004.0 0.584 84.2
2005.0 0.587 83.6
2006.0 0.589 83.0
2007.0 0.592 82.3
2008.0 0.595 81.7
2009.0 0.598 81.1
2010.0 0.601 80.5
2011.0 0.604 79.9
2012.0 0.606 79.3
2013.0 0.609 78.7
2014.0 0.612 78.1
2015.0 0.614 77.5
2016.0 0.617 76.9
2017.0 0.619 76.3
2018.0 0.622 75.8
2019.0 0.624 75.2
2020.0 0.626 74.6
2021.0 0.629 74.1
2022.0 0.631 73.5
2023.0 0.633 73.0
2024.0 0.636 72.4
2025.0 0.638 71.9
2026.0 0.640 71.3
2027.0 0.642 70.8
2028.0 0.644 70.3
2029.0 0.646 69.7
2030.0 0.648 69.2
2031.0 0.650 68.7
2032.0 0.652 68.2
2033.0 0.654 67.7
2034.0 0.656 67.1
2035.0 0.657 66.6
2036.0 0.659 66.1
2037.0 0.661 65.6
2038.0 0.662 65.1
2039.0 0.664 64.6
2040.0 0.666 64.1
2041.0 0.667 63.6
2042.0 0.669 63.1
2043.0 0.670 62.6
2044.0 0.672 62.1
2045.0 0.673 61.7
2046.0 0.674 61.2
2047.0 0.676 60.7
2048.0 0.677 60.2
2049.0 0.678 59.7
2050.0 0.679 59.3
2051.0 0.680 58.8
2052.0 0.682 58.3
2053.0 0.683 57.8
2054.0 0.684 57.4
2055.0 0.685 56.9
2056.0 0.686 56.4
2057.0 0.686 55.9
2058.0 0.687 55.5
2059.0 0.688 55.0
2060.0 0.689 54.6
2061.0 0.690 54.1
2062.0 0.690 53.6
2063.0 0.691 53.2
2064.0 0.692 52.7
2065.0 0.692 52.2
2066.0 0.693 51.8
2067.0 0.693 51.3
2068.0 0.694 50.9
2069.0 0.694 50.4
2070.0 0.694 50.0
2071.0 0.695 49.5
2072.0 0.695 49.0
2073.0 0.695 48.6
2074.0 0.695 48.1
2075.0 0.696 47.7
2076.0 0.696 47.2
2077.0 0.696 46.8
2078.0 0.696 46.3
2079.0 0.696 45.9
2080.0 0.696 45.4
2081.0 0.696 44.9
2082.0 0.695 44.5
2083.0 0.695 44.0
2084.0 0.695 43.6
2085.0 0.695 43.1
2086.0 0.694 42.7
2087.0 0.694 42.2
2088.0 0.694 41.8
2089.0 0.693 41.3
2090.0 0.693 40.8
2091.0 0.692 40.4
2092.0 0.692 39.9
2093.0 0.691 39.5
2094.0 0.690 39.0
2095.0 0.690 38.5
2096.0 0.689 38.1
2097.0 0.688 37.6
2098.0 0.687 37.1
2099.0 0.686 36.7
2100.0 0.685 36.2
2101.0 0.684 35.7
2102.0 0.683 35.3
2103.0 0.682 34.8
2104.0 0.681 34.3
2105.0 0.680 33.8
2106.0 0.679 33.4
2107.0 0.677 32.9
2108.0 0.676 32.4
2109.0 0.675 31.9
2110.0 0.673 31.4
2111.0 0.672 31.0
2112.0 0.670 30.5
2113.0 0.669 30.0
2114.0 0.667 29.5
2115.0 0.665 29.0
2116.0 0.664 28.5
2117.0 0.662 28.0
2118.0 0.660 27.5
2119.0 0.658 27.0
2120.0 0.656 26.5
2121.0 0.654 25.9
2122.0 0.652 25.4
2123.0 0.650 24.9
2124.0 0.648 24.4
2125.0 0.646 23.9
2126.0 0.643 23.3
2127.0 0.641 22.8
2128.0 0.639 22.3
2129.0 0.636 21.7
2130.0 0.634 21.2
2131.0 0.631 20.6
2132.0 0.629 20.1
2133.0 0.626 19.5
2134.0 0.624 18.9
2135.0 0.621 18.4
2136.0 0.618 17.8
2137.0 0.615 17.2
2138.0 0.612 16.6
2139.0 0.609 16.1
2140.0 0.606 15.5
2141.0 0.603 14.9
2142.0 0.600 14.2
2143.0 0.597 13.6
2144.0 0.593 13.0
2145.0 0.590 12.4
2146.0 0.587 11.7
2147.0 0.583 11.1
2148.0 0.580 10.4
2149.0 0.576 9.8
2150.0 0.572 9.1
2151.0 0.569 8.4
2152.0 0.565 7.8
2153.0 0.561 7.1
2154.0 0.557 6.4
2155.0 0.553 5.6
2156.0 0.549 4.9
2157.0 0.545 4.2
2158.0 0.541 3.4
2159.0 0.536 2.7
2160.0 0.532 1.9
2161.0 0.527 1.1
2162.0 0.523 0.3
2163.0 0.518 359.5
2164.0 0.514 358.7
2165.0 0.509 357.8
2166.0 0.504 357.0
2167.0 0.499 356.1
2168.0 0.494 355.2
2169.0 0.489 354.3
2170.0 0.484 353.4
2171.0 0.479 352.4
2172.0 0.474 351.5
2173.0 0.469 350.5
2174.0 0.463 349.5
2175.0 0.458 348.4
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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