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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:56:37
WDS:
RST2333AB
WDS ID/Discoverer
P:
225.000
Orbital period (years)
a:
0.498
Semi-major axis (arcseconds)
i:
80.9
Inclination (degrees)
Ω:
15.4
Longitude of ascending node (degrees)
T:
1949.200
Epoch of periastron passage (year)
e:
0.256
Eccentricity
ω:
358.7
Longitude of periastron (degrees)
Start-Year:
1913.0
Year
End-Year:
2137.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
040918.92-202458.7
Epoch-2000 right ascension and declination
WDS-ID:
04093-2025
WDS designation
Discoverer Code:
RST2333AB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
26347
HD catalog number
Hipparcos number:
.
Hipparcos catalog number
V1:
9.7
Magnitude of the primary
V2:
9.7
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2010
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 0.457 188.1
-------------------------
1913.0 0.074 298.7
1914.0 0.078 309.2
1915.0 0.085 318.4
1916.0 0.093 326.2
1917.0 0.102 332.6
1918.0 0.112 337.9
1919.0 0.123 342.3
1920.0 0.134 346.0
1921.0 0.146 349.1
1922.0 0.158 351.7
1923.0 0.170 354.0
1924.0 0.182 356.0
1925.0 0.194 357.7
1926.0 0.206 359.2
1927.0 0.217 0.6
1928.0 0.229 1.8
1929.0 0.240 2.9
1930.0 0.251 3.9
1931.0 0.262 4.8
1932.0 0.272 5.7
1933.0 0.282 6.5
1934.0 0.291 7.2
1935.0 0.301 7.9
1936.0 0.309 8.6
1937.0 0.317 9.2
1938.0 0.325 9.8
1939.0 0.332 10.3
1940.0 0.339 10.9
1941.0 0.345 11.4
1942.0 0.350 11.9
1943.0 0.355 12.4
1944.0 0.359 12.8
1945.0 0.363 13.3
1946.0 0.366 13.8
1947.0 0.368 14.2
1948.0 0.369 14.7
1949.0 0.370 15.1
1950.0 0.371 15.5
1951.0 0.370 16.0
1952.0 0.369 16.4
1953.0 0.367 16.9
1954.0 0.365 17.3
1955.0 0.361 17.8
1956.0 0.358 18.3
1957.0 0.353 18.7
1958.0 0.348 19.2
1959.0 0.342 19.7
1960.0 0.336 20.3
1961.0 0.329 20.8
1962.0 0.322 21.4
1963.0 0.314 22.0
1964.0 0.306 22.6
1965.0 0.297 23.3
1966.0 0.288 24.0
1967.0 0.278 24.8
1968.0 0.268 25.6
1969.0 0.258 26.4
1970.0 0.247 27.4
1971.0 0.237 28.4
1972.0 0.225 29.6
1973.0 0.214 30.8
1974.0 0.202 32.2
1975.0 0.191 33.8
1976.0 0.179 35.6
1977.0 0.167 37.6
1978.0 0.155 39.9
1979.0 0.144 42.7
1980.0 0.132 45.9
1981.0 0.121 49.7
1982.0 0.110 54.2
1983.0 0.101 59.7
1984.0 0.092 66.3
1985.0 0.084 74.2
1986.0 0.078 83.4
1987.0 0.075 93.8
1988.0 0.074 104.8
1989.0 0.076 115.7
1990.0 0.080 125.7
1991.0 0.086 134.5
1992.0 0.094 142.0
1993.0 0.104 148.2
1994.0 0.114 153.3
1995.0 0.125 157.6
1996.0 0.136 161.2
1997.0 0.148 164.2
1998.0 0.160 166.8
1999.0 0.172 169.0
2000.0 0.184 170.9
2001.0 0.196 172.6
2002.0 0.209 174.1
2003.0 0.221 175.4
2004.0 0.233 176.6
2005.0 0.245 177.6
2006.0 0.257 178.6
2007.0 0.269 179.5
2008.0 0.281 180.3
2009.0 0.293 181.0
2010.0 0.304 181.7
2011.0 0.316 182.3
2012.0 0.327 182.9
2013.0 0.338 183.4
2014.0 0.349 184.0
2015.0 0.360 184.4
2016.0 0.370 184.9
2017.0 0.381 185.3
2018.0 0.391 185.7
2019.0 0.401 186.1
2020.0 0.411 186.5
2021.0 0.421 186.8
2022.0 0.430 187.2
2023.0 0.439 187.5
2024.0 0.448 187.8
2025.0 0.457 188.1
2026.0 0.466 188.4
2027.0 0.474 188.7
2028.0 0.482 188.9
2029.0 0.490 189.2
2030.0 0.498 189.4
2031.0 0.506 189.7
2032.0 0.513 189.9
2033.0 0.520 190.1
2034.0 0.527 190.4
2035.0 0.534 190.6
2036.0 0.540 190.8
2037.0 0.546 191.0
2038.0 0.552 191.2
2039.0 0.558 191.4
2040.0 0.564 191.6
2041.0 0.569 191.8
2042.0 0.574 191.9
2043.0 0.579 192.1
2044.0 0.584 192.3
2045.0 0.588 192.5
2046.0 0.592 192.7
2047.0 0.596 192.8
2048.0 0.600 193.0
2049.0 0.603 193.2
2050.0 0.606 193.3
2051.0 0.609 193.5
2052.0 0.612 193.7
2053.0 0.614 193.8
2054.0 0.616 194.0
2055.0 0.618 194.1
2056.0 0.620 194.3
2057.0 0.622 194.5
2058.0 0.623 194.6
2059.0 0.624 194.8
2060.0 0.625 194.9
2061.0 0.625 195.1
2062.0 0.625 195.2
2063.0 0.625 195.4
2064.0 0.625 195.6
2065.0 0.625 195.7
2066.0 0.624 195.9
2067.0 0.623 196.0
2068.0 0.622 196.2
2069.0 0.621 196.3
2070.0 0.619 196.5
2071.0 0.617 196.6
2072.0 0.615 196.8
2073.0 0.613 197.0
2074.0 0.610 197.1
2075.0 0.607 197.3
2076.0 0.604 197.5
2077.0 0.601 197.6
2078.0 0.597 197.8
2079.0 0.593 198.0
2080.0 0.589 198.1
2081.0 0.585 198.3
2082.0 0.580 198.5
2083.0 0.576 198.7
2084.0 0.571 198.9
2085.0 0.565 199.1
2086.0 0.560 199.2
2087.0 0.554 199.4
2088.0 0.548 199.6
2089.0 0.542 199.8
2090.0 0.536 200.1
2091.0 0.529 200.3
2092.0 0.522 200.5
2093.0 0.515 200.7
2094.0 0.508 200.9
2095.0 0.500 201.2
2096.0 0.492 201.4
2097.0 0.484 201.7
2098.0 0.476 201.9
2099.0 0.468 202.2
2100.0 0.459 202.5
2101.0 0.450 202.8
2102.0 0.441 203.1
2103.0 0.432 203.4
2104.0 0.422 203.7
2105.0 0.413 204.1
2106.0 0.403 204.5
2107.0 0.393 204.8
2108.0 0.382 205.2
2109.0 0.372 205.7
2110.0 0.361 206.1
2111.0 0.350 206.6
2112.0 0.339 207.1
2113.0 0.328 207.7
2114.0 0.317 208.2
2115.0 0.305 208.9
2116.0 0.293 209.6
2117.0 0.282 210.3
2118.0 0.270 211.1
2119.0 0.258 212.0
2120.0 0.246 212.9
2121.0 0.233 214.0
2122.0 0.221 215.2
2123.0 0.209 216.5
2124.0 0.196 218.0
2125.0 0.184 219.6
2126.0 0.171 221.6
2127.0 0.159 223.8
2128.0 0.147 226.4
2129.0 0.135 229.4
2130.0 0.124 233.1
2131.0 0.113 237.4
2132.0 0.102 242.7
2133.0 0.093 249.1
2134.0 0.085 256.8
2135.0 0.079 265.9
2136.0 0.075 276.3
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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