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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:14:36
WDS:
MCA61
WDS ID/Discoverer
P:
184.750
Orbital period (years)
a:
0.133
Semi-major axis (arcseconds)
i:
46.0
Inclination (degrees)
Ω:
219.5
Longitude of ascending node (degrees)
T:
1986.090
Epoch of periastron passage (year)
e:
0.612
Eccentricity
ω:
266.7
Longitude of periastron (degrees)
Start-Year:
1933.0
Year
End-Year:
2117.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
203259.04+495028.3
Epoch-2000 right ascension and declination
WDS-ID:
20330+4950
WDS designation
Discoverer Code:
MCA61
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
196088
HD catalog number
Hipparcos number:
101398
Hipparcos catalog number
V1:
6.7
Magnitude of the primary
V2:
.
Magnitude of the secondary
Equinox:
Equinox
Date:
2006
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 0.135 257.3
-------------------------
1933.0 0.139 340.1
1934.0 0.138 341.1
1935.0 0.137 342.1
1936.0 0.137 343.1
1937.0 0.136 344.1
1938.0 0.136 345.1
1939.0 0.135 346.2
1940.0 0.135 347.2
1941.0 0.134 348.3
1942.0 0.133 349.3
1943.0 0.132 350.4
1944.0 0.132 351.5
1945.0 0.131 352.6
1946.0 0.130 353.7
1947.0 0.129 354.8
1948.0 0.128 356.0
1949.0 0.127 357.1
1950.0 0.126 358.3
1951.0 0.125 359.5
1952.0 0.124 0.7
1953.0 0.123 1.9
1954.0 0.122 3.2
1955.0 0.121 4.5
1956.0 0.120 5.8
1957.0 0.118 7.1
1958.0 0.117 8.5
1959.0 0.116 9.9
1960.0 0.114 11.3
1961.0 0.113 12.8
1962.0 0.111 14.3
1963.0 0.109 15.9
1964.0 0.107 17.5
1965.0 0.105 19.2
1966.0 0.103 20.9
1967.0 0.101 22.7
1968.0 0.099 24.6
1969.0 0.096 26.6
1970.0 0.094 28.7
1971.0 0.091 31.0
1972.0 0.088 33.3
1973.0 0.085 35.9
1974.0 0.081 38.6
1975.0 0.078 41.6
1976.0 0.074 44.9
1977.0 0.070 48.5
1978.0 0.066 52.6
1979.0 0.062 57.3
1980.0 0.057 62.6
1981.0 0.052 69.0
1982.0 0.048 76.5
1983.0 0.044 85.6
1984.0 0.040 96.4
1985.0 0.037 109.2
1986.0 0.036 123.4
1987.0 0.036 138.1
1988.0 0.038 151.9
1989.0 0.041 164.0
1990.0 0.045 174.2
1991.0 0.050 182.7
1992.0 0.054 189.7
1993.0 0.059 195.6
1994.0 0.064 200.6
1995.0 0.068 205.0
1996.0 0.073 208.8
1997.0 0.077 212.2
1998.0 0.081 215.3
1999.0 0.084 218.1
2000.0 0.088 220.6
2001.0 0.091 223.0
2002.0 0.094 225.2
2003.0 0.097 227.3
2004.0 0.100 229.2
2005.0 0.103 231.1
2006.0 0.105 232.8
2007.0 0.108 234.5
2008.0 0.110 236.1
2009.0 0.112 237.6
2010.0 0.114 239.1
2011.0 0.116 240.6
2012.0 0.118 241.9
2013.0 0.119 243.3
2014.0 0.121 244.6
2015.0 0.123 245.9
2016.0 0.124 247.1
2017.0 0.126 248.3
2018.0 0.127 249.5
2019.0 0.128 250.7
2020.0 0.129 251.8
2021.0 0.131 253.0
2022.0 0.132 254.1
2023.0 0.133 255.1
2024.0 0.134 256.2
2025.0 0.135 257.3
2026.0 0.136 258.3
2027.0 0.136 259.3
2028.0 0.137 260.3
2029.0 0.138 261.3
2030.0 0.139 262.3
2031.0 0.140 263.3
2032.0 0.140 264.3
2033.0 0.141 265.2
2034.0 0.141 266.2
2035.0 0.142 267.1
2036.0 0.143 268.0
2037.0 0.143 269.0
2038.0 0.144 269.9
2039.0 0.144 270.8
2040.0 0.145 271.7
2041.0 0.145 272.6
2042.0 0.145 273.5
2043.0 0.146 274.4
2044.0 0.146 275.3
2045.0 0.146 276.2
2046.0 0.147 277.1
2047.0 0.147 277.9
2048.0 0.147 278.8
2049.0 0.148 279.7
2050.0 0.148 280.6
2051.0 0.148 281.4
2052.0 0.148 282.3
2053.0 0.148 283.2
2054.0 0.149 284.0
2055.0 0.149 284.9
2056.0 0.149 285.7
2057.0 0.149 286.6
2058.0 0.149 287.4
2059.0 0.149 288.3
2060.0 0.149 289.1
2061.0 0.149 290.0
2062.0 0.150 290.8
2063.0 0.150 291.7
2064.0 0.150 292.5
2065.0 0.150 293.4
2066.0 0.150 294.2
2067.0 0.150 295.0
2068.0 0.150 295.9
2069.0 0.150 296.7
2070.0 0.150 297.6
2071.0 0.150 298.4
2072.0 0.150 299.3
2073.0 0.150 300.1
2074.0 0.150 301.0
2075.0 0.149 301.8
2076.0 0.149 302.7
2077.0 0.149 303.5
2078.0 0.149 304.4
2079.0 0.149 305.2
2080.0 0.149 306.1
2081.0 0.149 306.9
2082.0 0.149 307.8
2083.0 0.149 308.6
2084.0 0.149 309.5
2085.0 0.148 310.3
2086.0 0.148 311.2
2087.0 0.148 312.1
2088.0 0.148 312.9
2089.0 0.148 313.8
2090.0 0.148 314.7
2091.0 0.147 315.5
2092.0 0.147 316.4
2093.0 0.147 317.3
2094.0 0.147 318.2
2095.0 0.147 319.0
2096.0 0.146 319.9
2097.0 0.146 320.8
2098.0 0.146 321.7
2099.0 0.146 322.6
2100.0 0.145 323.5
2101.0 0.145 324.4
2102.0 0.145 325.3
2103.0 0.144 326.2
2104.0 0.144 327.1
2105.0 0.144 328.0
2106.0 0.143 328.9
2107.0 0.143 329.9
2108.0 0.143 330.8
2109.0 0.142 331.7
2110.0 0.142 332.7
2111.0 0.142 333.6
2112.0 0.141 334.6
2113.0 0.141 335.5
2114.0 0.140 336.5
2115.0 0.140 337.4
2116.0 0.139 338.4
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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