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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:30:45
WDS:
RST767
WDS ID/Discoverer
P:
249.270
Orbital period (years)
a:
0.525
Semi-major axis (arcseconds)
i:
136.0
Inclination (degrees)
Ω:
116.6
Longitude of ascending node (degrees)
T:
1921.630
Epoch of periastron passage (year)
e:
0.504
Eccentricity
ω:
335.4
Longitude of periastron (degrees)
Start-Year:
1901.0
Year
End-Year:
2149.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
152511.71-465912.7
Epoch-2000 right ascension and declination
WDS-ID:
15252-4659
WDS designation
Discoverer Code:
RST767
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
75483
Hipparcos catalog number
V1:
10.77
Magnitude of the primary
V2:
10.65
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2014
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 0.704 324.6
-------------------------
1901.0 0.272 228.7
1902.0 0.264 225.2
1903.0 0.256 221.6
1904.0 0.249 217.7
1905.0 0.242 213.6
1906.0 0.236 209.2
1907.0 0.231 204.7
1908.0 0.227 200.0
1909.0 0.223 195.1
1910.0 0.221 190.0
1911.0 0.220 184.9
1912.0 0.219 179.8
1913.0 0.220 174.7
1914.0 0.221 169.6
1915.0 0.223 164.5
1916.0 0.226 159.6
1917.0 0.230 154.9
1918.0 0.233 150.3
1919.0 0.238 145.8
1920.0 0.242 141.5
1921.0 0.246 137.4
1922.0 0.251 133.4
1923.0 0.255 129.5
1924.0 0.259 125.8
1925.0 0.263 122.1
1926.0 0.267 118.6
1927.0 0.270 115.2
1928.0 0.273 111.8
1929.0 0.275 108.5
1930.0 0.278 105.3
1931.0 0.280 102.1
1932.0 0.282 99.0
1933.0 0.283 95.9
1934.0 0.285 92.8
1935.0 0.286 89.8
1936.0 0.288 86.8
1937.0 0.289 83.8
1938.0 0.290 80.9
1939.0 0.292 77.9
1940.0 0.293 75.0
1941.0 0.294 72.2
1942.0 0.296 69.3
1943.0 0.298 66.5
1944.0 0.300 63.8
1945.0 0.302 61.0
1946.0 0.304 58.3
1947.0 0.307 55.7
1948.0 0.310 53.1
1949.0 0.313 50.5
1950.0 0.316 48.0
1951.0 0.319 45.6
1952.0 0.323 43.2
1953.0 0.326 40.8
1954.0 0.330 38.5
1955.0 0.335 36.3
1956.0 0.339 34.1
1957.0 0.344 32.0
1958.0 0.348 29.9
1959.0 0.353 27.9
1960.0 0.358 25.9
1961.0 0.363 24.0
1962.0 0.369 22.2
1963.0 0.374 20.4
1964.0 0.380 18.7
1965.0 0.385 17.0
1966.0 0.391 15.3
1967.0 0.397 13.7
1968.0 0.403 12.2
1969.0 0.409 10.7
1970.0 0.415 9.2
1971.0 0.421 7.8
1972.0 0.427 6.4
1973.0 0.433 5.1
1974.0 0.439 3.8
1975.0 0.445 2.5
1976.0 0.451 1.3
1977.0 0.457 0.1
1978.0 0.464 358.9
1979.0 0.470 357.8
1980.0 0.476 356.7
1981.0 0.482 355.6
1982.0 0.488 354.6
1983.0 0.494 353.5
1984.0 0.501 352.5
1985.0 0.507 351.6
1986.0 0.513 350.6
1987.0 0.519 349.7
1988.0 0.525 348.8
1989.0 0.531 347.9
1990.0 0.537 347.0
1991.0 0.543 346.2
1992.0 0.548 345.3
1993.0 0.554 344.5
1994.0 0.560 343.7
1995.0 0.566 342.9
1996.0 0.571 342.2
1997.0 0.577 341.4
1998.0 0.582 340.7
1999.0 0.588 340.0
2000.0 0.593 339.3
2001.0 0.598 338.6
2002.0 0.604 337.9
2003.0 0.609 337.2
2004.0 0.614 336.5
2005.0 0.619 335.9
2006.0 0.624 335.2
2007.0 0.629 334.6
2008.0 0.634 334.0
2009.0 0.638 333.4
2010.0 0.643 332.8
2011.0 0.648 332.2
2012.0 0.652 331.6
2013.0 0.657 331.0
2014.0 0.661 330.5
2015.0 0.665 329.9
2016.0 0.670 329.3
2017.0 0.674 328.8
2018.0 0.678 328.2
2019.0 0.682 327.7
2020.0 0.686 327.2
2021.0 0.689 326.7
2022.0 0.693 326.1
2023.0 0.697 325.6
2024.0 0.700 325.1
2025.0 0.704 324.6
2026.0 0.707 324.1
2027.0 0.710 323.6
2028.0 0.714 323.1
2029.0 0.717 322.7
2030.0 0.720 322.2
2031.0 0.723 321.7
2032.0 0.725 321.2
2033.0 0.728 320.8
2034.0 0.731 320.3
2035.0 0.733 319.8
2036.0 0.736 319.4
2037.0 0.738 318.9
2038.0 0.741 318.5
2039.0 0.743 318.0
2040.0 0.745 317.6
2041.0 0.747 317.1
2042.0 0.749 316.7
2043.0 0.751 316.3
2044.0 0.752 315.8
2045.0 0.754 315.4
2046.0 0.755 314.9
2047.0 0.757 314.5
2048.0 0.758 314.1
2049.0 0.759 313.7
2050.0 0.761 313.2
2051.0 0.762 312.8
2052.0 0.763 312.4
2053.0 0.763 311.9
2054.0 0.764 311.5
2055.0 0.765 311.1
2056.0 0.765 310.7
2057.0 0.766 310.3
2058.0 0.766 309.8
2059.0 0.766 309.4
2060.0 0.766 309.0
2061.0 0.766 308.6
2062.0 0.766 308.1
2063.0 0.766 307.7
2064.0 0.766 307.3
2065.0 0.765 306.9
2066.0 0.765 306.5
2067.0 0.764 306.0
2068.0 0.763 305.6
2069.0 0.762 305.2
2070.0 0.761 304.8
2071.0 0.760 304.3
2072.0 0.759 303.9
2073.0 0.758 303.5
2074.0 0.756 303.0
2075.0 0.755 302.6
2076.0 0.753 302.2
2077.0 0.751 301.7
2078.0 0.750 301.3
2079.0 0.748 300.9
2080.0 0.745 300.4
2081.0 0.743 300.0
2082.0 0.741 299.5
2083.0 0.738 299.1
2084.0 0.736 298.6
2085.0 0.733 298.2
2086.0 0.730 297.7
2087.0 0.727 297.2
2088.0 0.724 296.8
2089.0 0.721 296.3
2090.0 0.717 295.8
2091.0 0.714 295.3
2092.0 0.710 294.8
2093.0 0.707 294.3
2094.0 0.703 293.8
2095.0 0.699 293.3
2096.0 0.694 292.8
2097.0 0.690 292.3
2098.0 0.686 291.8
2099.0 0.681 291.3
2100.0 0.677 290.7
2101.0 0.672 290.2
2102.0 0.667 289.6
2103.0 0.662 289.1
2104.0 0.656 288.5
2105.0 0.651 287.9
2106.0 0.645 287.3
2107.0 0.640 286.7
2108.0 0.634 286.1
2109.0 0.628 285.5
2110.0 0.622 284.9
2111.0 0.616 284.2
2112.0 0.609 283.6
2113.0 0.603 282.9
2114.0 0.596 282.2
2115.0 0.589 281.5
2116.0 0.582 280.8
2117.0 0.575 280.0
2118.0 0.568 279.3
2119.0 0.560 278.5
2120.0 0.553 277.7
2121.0 0.545 276.9
2122.0 0.537 276.0
2123.0 0.529 275.2
2124.0 0.521 274.3
2125.0 0.512 273.3
2126.0 0.504 272.4
2127.0 0.495 271.4
2128.0 0.486 270.4
2129.0 0.477 269.3
2130.0 0.468 268.2
2131.0 0.459 267.0
2132.0 0.450 265.8
2133.0 0.440 264.6
2134.0 0.431 263.3
2135.0 0.421 261.9
2136.0 0.411 260.5
2137.0 0.401 259.0
2138.0 0.392 257.4
2139.0 0.382 255.8
2140.0 0.371 254.0
2141.0 0.361 252.2
2142.0 0.351 250.2
2143.0 0.341 248.2
2144.0 0.331 246.0
2145.0 0.321 243.7
2146.0 0.311 241.2
2147.0 0.302 238.6
2148.0 0.292 235.8
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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