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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:03:52
WDS:
RST2094
WDS ID/Discoverer
P:
245.000
Orbital period (years)
a:
0.709
Semi-major axis (arcseconds)
i:
75.3
Inclination (degrees)
Ω:
43.6
Longitude of ascending node (degrees)
T:
2046.700
Epoch of periastron passage (year)
e:
0.556
Eccentricity
ω:
195.5
Longitude of periastron (degrees)
Start-Year:
1903.0
Year
End-Year:
2147.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
191144.66-260408.5
Epoch-2000 right ascension and declination
WDS-ID:
19117-2604
WDS designation
Discoverer Code:
RST2094
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
.
Hipparcos catalog number
V1:
10.32
Magnitude of the primary
V2:
13.8
Magnitude of the secondary
Equinox:
Equinox
Date:
2018
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 0.164 173.3
-------------------------
1903.0 1.076 44.8
1904.0 1.077 44.9
1905.0 1.078 45.1
1906.0 1.079 45.2
1907.0 1.080 45.3
1908.0 1.081 45.5
1909.0 1.081 45.6
1910.0 1.082 45.7
1911.0 1.082 45.9
1912.0 1.082 46.0
1913.0 1.081 46.1
1914.0 1.081 46.3
1915.0 1.080 46.4
1916.0 1.079 46.5
1917.0 1.078 46.7
1918.0 1.077 46.8
1919.0 1.076 46.9
1920.0 1.074 47.1
1921.0 1.073 47.2
1922.0 1.071 47.3
1923.0 1.068 47.5
1924.0 1.066 47.6
1925.0 1.064 47.7
1926.0 1.061 47.9
1927.0 1.058 48.0
1928.0 1.055 48.2
1929.0 1.052 48.3
1930.0 1.049 48.4
1931.0 1.045 48.6
1932.0 1.041 48.7
1933.0 1.037 48.9
1934.0 1.033 49.0
1935.0 1.029 49.2
1936.0 1.025 49.3
1937.0 1.020 49.5
1938.0 1.015 49.6
1939.0 1.010 49.8
1940.0 1.005 49.9
1941.0 1.000 50.1
1942.0 0.994 50.2
1943.0 0.989 50.4
1944.0 0.983 50.5
1945.0 0.977 50.7
1946.0 0.971 50.9
1947.0 0.964 51.0
1948.0 0.958 51.2
1949.0 0.951 51.4
1950.0 0.944 51.5
1951.0 0.937 51.7
1952.0 0.930 51.9
1953.0 0.923 52.1
1954.0 0.915 52.3
1955.0 0.907 52.5
1956.0 0.899 52.6
1957.0 0.891 52.8
1958.0 0.883 53.0
1959.0 0.875 53.2
1960.0 0.866 53.4
1961.0 0.857 53.7
1962.0 0.848 53.9
1963.0 0.839 54.1
1964.0 0.830 54.3
1965.0 0.821 54.5
1966.0 0.811 54.8
1967.0 0.801 55.0
1968.0 0.791 55.3
1969.0 0.781 55.5
1970.0 0.771 55.8
1971.0 0.760 56.0
1972.0 0.749 56.3
1973.0 0.739 56.6
1974.0 0.728 56.9
1975.0 0.716 57.2
1976.0 0.705 57.5
1977.0 0.694 57.8
1978.0 0.682 58.1
1979.0 0.670 58.5
1980.0 0.658 58.8
1981.0 0.646 59.2
1982.0 0.634 59.6
1983.0 0.621 60.0
1984.0 0.608 60.4
1985.0 0.596 60.8
1986.0 0.583 61.3
1987.0 0.569 61.7
1988.0 0.556 62.2
1989.0 0.543 62.7
1990.0 0.529 63.3
1991.0 0.515 63.9
1992.0 0.502 64.5
1993.0 0.488 65.1
1994.0 0.473 65.8
1995.0 0.459 66.5
1996.0 0.445 67.2
1997.0 0.430 68.1
1998.0 0.416 68.9
1999.0 0.401 69.9
2000.0 0.386 70.9
2001.0 0.371 72.0
2002.0 0.357 73.1
2003.0 0.342 74.4
2004.0 0.327 75.8
2005.0 0.312 77.3
2006.0 0.297 79.0
2007.0 0.282 80.9
2008.0 0.268 82.9
2009.0 0.253 85.2
2010.0 0.239 87.8
2011.0 0.226 90.7
2012.0 0.212 93.9
2013.0 0.200 97.6
2014.0 0.188 101.8
2015.0 0.177 106.5
2016.0 0.167 111.8
2017.0 0.159 117.7
2018.0 0.152 124.2
2019.0 0.147 131.2
2020.0 0.145 138.5
2021.0 0.144 146.0
2022.0 0.146 153.4
2023.0 0.150 160.5
2024.0 0.156 167.2
2025.0 0.164 173.3
2026.0 0.173 178.8
2027.0 0.183 183.7
2028.0 0.194 188.1
2029.0 0.206 192.0
2030.0 0.218 195.5
2031.0 0.230 198.6
2032.0 0.242 201.4
2033.0 0.253 204.0
2034.0 0.265 206.3
2035.0 0.276 208.4
2036.0 0.286 210.4
2037.0 0.295 212.3
2038.0 0.303 214.0
2039.0 0.310 215.7
2040.0 0.315 217.2
2041.0 0.319 218.8
2042.0 0.321 220.3
2043.0 0.321 221.8
2044.0 0.319 223.3
2045.0 0.316 224.9
2046.0 0.310 226.5
2047.0 0.301 228.1
2048.0 0.291 229.9
2049.0 0.279 231.8
2050.0 0.266 233.9
2051.0 0.251 236.2
2052.0 0.234 238.9
2053.0 0.217 242.0
2054.0 0.199 245.6
2055.0 0.181 249.9
2056.0 0.164 255.1
2057.0 0.147 261.6
2058.0 0.132 269.7
2059.0 0.120 279.6
2060.0 0.111 291.4
2061.0 0.107 304.6
2062.0 0.109 317.9
2063.0 0.117 330.2
2064.0 0.128 340.6
2065.0 0.143 349.2
2066.0 0.160 356.0
2067.0 0.179 1.4
2068.0 0.198 5.8
2069.0 0.218 9.5
2070.0 0.238 12.5
2071.0 0.259 15.0
2072.0 0.279 17.1
2073.0 0.300 19.0
2074.0 0.320 20.6
2075.0 0.341 22.0
2076.0 0.361 23.3
2077.0 0.380 24.4
2078.0 0.400 25.5
2079.0 0.419 26.4
2080.0 0.438 27.2
2081.0 0.457 28.0
2082.0 0.475 28.7
2083.0 0.493 29.4
2084.0 0.511 30.0
2085.0 0.528 30.6
2086.0 0.545 31.1
2087.0 0.562 31.6
2088.0 0.579 32.1
2089.0 0.595 32.6
2090.0 0.611 33.0
2091.0 0.626 33.4
2092.0 0.641 33.8
2093.0 0.656 34.2
2094.0 0.671 34.5
2095.0 0.685 34.9
2096.0 0.699 35.2
2097.0 0.713 35.5
2098.0 0.726 35.8
2099.0 0.739 36.1
2100.0 0.752 36.4
2101.0 0.765 36.6
2102.0 0.777 36.9
2103.0 0.789 37.2
2104.0 0.801 37.4
2105.0 0.812 37.6
2106.0 0.823 37.9
2107.0 0.834 38.1
2108.0 0.845 38.3
2109.0 0.855 38.5
2110.0 0.865 38.8
2111.0 0.875 39.0
2112.0 0.885 39.2
2113.0 0.894 39.4
2114.0 0.903 39.6
2115.0 0.912 39.7
2116.0 0.920 39.9
2117.0 0.929 40.1
2118.0 0.937 40.3
2119.0 0.945 40.5
2120.0 0.952 40.6
2121.0 0.960 40.8
2122.0 0.967 41.0
2123.0 0.974 41.1
2124.0 0.980 41.3
2125.0 0.987 41.5
2126.0 0.993 41.6
2127.0 0.999 41.8
2128.0 1.005 41.9
2129.0 1.010 42.1
2130.0 1.016 42.2
2131.0 1.021 42.4
2132.0 1.026 42.5
2133.0 1.030 42.7
2134.0 1.035 42.8
2135.0 1.039 43.0
2136.0 1.043 43.1
2137.0 1.047 43.3
2138.0 1.050 43.4
2139.0 1.054 43.5
2140.0 1.057 43.7
2141.0 1.060 43.8
2142.0 1.063 44.0
2143.0 1.066 44.1
2144.0 1.068 44.2
2145.0 1.070 44.4
2146.0 1.072 44.5
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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