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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:55:07
WDS:
I843AB
WDS ID/Discoverer
P:
188.360
Orbital period (years)
a:
1.013
Semi-major axis (arcseconds)
i:
130.7
Inclination (degrees)
Ω:
204.7
Longitude of ascending node (degrees)
T:
1875.300
Epoch of periastron passage (year)
e:
0.591
Eccentricity
ω:
232.5
Longitude of periastron (degrees)
Start-Year:
1931.0
Year
End-Year:
2119.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
095506.30-263219.4
Epoch-2000 right ascension and declination
WDS-ID:
09551-2632
WDS designation
Discoverer Code:
I843AB
Discover designation and components
ADS number:
7580
Aitken Double Star catalog
HD number:
85994
HD catalog number
Hipparcos number:
48645
Hipparcos catalog number
V1:
8.98
Magnitude of the primary
V2:
9.68
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2011
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 0.773 108.5
-------------------------
1931.0 1.326 186.4
1932.0 1.331 185.8
1933.0 1.335 185.2
1934.0 1.340 184.7
1935.0 1.344 184.1
1936.0 1.347 183.5
1937.0 1.350 182.9
1938.0 1.353 182.4
1939.0 1.355 181.8
1940.0 1.357 181.3
1941.0 1.359 180.7
1942.0 1.360 180.1
1943.0 1.361 179.6
1944.0 1.362 179.0
1945.0 1.363 178.5
1946.0 1.363 177.9
1947.0 1.362 177.4
1948.0 1.362 176.8
1949.0 1.361 176.2
1950.0 1.360 175.7
1951.0 1.359 175.1
1952.0 1.357 174.6
1953.0 1.355 174.0
1954.0 1.353 173.4
1955.0 1.350 172.9
1956.0 1.348 172.3
1957.0 1.345 171.7
1958.0 1.342 171.2
1959.0 1.338 170.6
1960.0 1.334 170.0
1961.0 1.330 169.4
1962.0 1.326 168.9
1963.0 1.322 168.3
1964.0 1.317 167.7
1965.0 1.312 167.1
1966.0 1.307 166.5
1967.0 1.302 165.9
1968.0 1.296 165.3
1969.0 1.290 164.6
1970.0 1.284 164.0
1971.0 1.278 163.4
1972.0 1.272 162.8
1973.0 1.265 162.1
1974.0 1.259 161.5
1975.0 1.252 160.8
1976.0 1.245 160.1
1977.0 1.237 159.5
1978.0 1.230 158.8
1979.0 1.222 158.1
1980.0 1.214 157.4
1981.0 1.206 156.7
1982.0 1.198 156.0
1983.0 1.190 155.3
1984.0 1.182 154.5
1985.0 1.173 153.8
1986.0 1.164 153.0
1987.0 1.155 152.3
1988.0 1.146 151.5
1989.0 1.137 150.7
1990.0 1.128 149.9
1991.0 1.119 149.1
1992.0 1.109 148.3
1993.0 1.100 147.4
1994.0 1.090 146.5
1995.0 1.080 145.7
1996.0 1.070 144.8
1997.0 1.060 143.9
1998.0 1.050 142.9
1999.0 1.040 142.0
2000.0 1.030 141.0
2001.0 1.019 140.1
2002.0 1.009 139.0
2003.0 0.999 138.0
2004.0 0.988 137.0
2005.0 0.978 135.9
2006.0 0.967 134.8
2007.0 0.957 133.7
2008.0 0.946 132.6
2009.0 0.936 131.4
2010.0 0.925 130.2
2011.0 0.914 129.0
2012.0 0.904 127.7
2013.0 0.893 126.5
2014.0 0.883 125.2
2015.0 0.873 123.8
2016.0 0.862 122.4
2017.0 0.852 121.0
2018.0 0.842 119.6
2019.0 0.832 118.1
2020.0 0.822 116.6
2021.0 0.812 115.1
2022.0 0.802 113.5
2023.0 0.792 111.9
2024.0 0.783 110.2
2025.0 0.773 108.5
2026.0 0.764 106.7
2027.0 0.755 105.0
2028.0 0.746 103.1
2029.0 0.737 101.2
2030.0 0.729 99.3
2031.0 0.721 97.4
2032.0 0.713 95.4
2033.0 0.705 93.3
2034.0 0.697 91.2
2035.0 0.689 89.1
2036.0 0.682 86.9
2037.0 0.675 84.6
2038.0 0.668 82.3
2039.0 0.661 80.0
2040.0 0.654 77.6
2041.0 0.648 75.2
2042.0 0.641 72.7
2043.0 0.635 70.2
2044.0 0.628 67.6
2045.0 0.621 64.9
2046.0 0.614 62.2
2047.0 0.607 59.5
2048.0 0.600 56.6
2049.0 0.592 53.7
2050.0 0.583 50.7
2051.0 0.574 47.6
2052.0 0.563 44.5
2053.0 0.552 41.1
2054.0 0.539 37.7
2055.0 0.525 34.0
2056.0 0.509 30.2
2057.0 0.491 26.0
2058.0 0.471 21.6
2059.0 0.449 16.7
2060.0 0.425 11.3
2061.0 0.399 5.2
2062.0 0.373 358.3
2063.0 0.347 350.3
2064.0 0.323 341.1
2065.0 0.304 330.5
2066.0 0.292 318.9
2067.0 0.288 306.5
2068.0 0.293 294.2
2069.0 0.308 282.7
2070.0 0.330 272.5
2071.0 0.358 263.7
2072.0 0.389 256.3
2073.0 0.424 250.0
2074.0 0.459 244.7
2075.0 0.495 240.2
2076.0 0.531 236.3
2077.0 0.567 232.8
2078.0 0.602 229.8
2079.0 0.636 227.1
2080.0 0.670 224.7
2081.0 0.702 222.5
2082.0 0.733 220.5
2083.0 0.764 218.7
2084.0 0.793 217.0
2085.0 0.821 215.4
2086.0 0.848 213.9
2087.0 0.875 212.5
2088.0 0.900 211.2
2089.0 0.924 210.0
2090.0 0.947 208.8
2091.0 0.970 207.7
2092.0 0.991 206.6
2093.0 1.012 205.6
2094.0 1.032 204.6
2095.0 1.051 203.6
2096.0 1.070 202.7
2097.0 1.087 201.8
2098.0 1.104 201.0
2099.0 1.120 200.1
2100.0 1.136 199.3
2101.0 1.151 198.5
2102.0 1.165 197.8
2103.0 1.179 197.0
2104.0 1.192 196.3
2105.0 1.204 195.6
2106.0 1.216 194.8
2107.0 1.227 194.2
2108.0 1.238 193.5
2109.0 1.248 192.8
2110.0 1.258 192.2
2111.0 1.267 191.5
2112.0 1.276 190.9
2113.0 1.284 190.2
2114.0 1.292 189.6
2115.0 1.299 189.0
2116.0 1.306 188.4
2117.0 1.312 187.8
2118.0 1.318 187.2
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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