Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:14:36

Orbital Elements for MCA61
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

Further data from the WDS Sixth Catalog of Orbits for MCA61
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

Double Star Orbit for MCA61



WDS 6th Orbit including measures of MCA61

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of MCA61
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






Disclaimer
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.


Acknowledgements
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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