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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:34:16

Orbital Elements for MCA32

WDS:	MCA32	WDS ID/Discoverer
P:	167.000	Orbital period (years)
a:	0.428	Semi-major axis (arcseconds)
i:	83.6	Inclination (degrees)
Ω:	97.1	Longitude of ascending node (degrees)
T:	1993.710	Epoch of periastron passage (year)
e:	0.879	Eccentricity
ω:	269.1	Longitude of periastron (degrees)
Start-Year:	1942.0	Year
End-Year:	2108.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for MCA32

Position:	073336.50+154936.1	Epoch-2000 right ascension and declination
WDS-ID:	07336+1550	WDS designation
Discoverer Code:	MCA32	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	60107	HD catalog number
Hipparcos number:	36760	Hipparcos catalog number
V1:	5.4	Magnitude of the primary
V2:	7.6	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:	n	Flags

Double Star Orbit for MCA32

WDS 6th Orbit including measures of MCA32

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

Ephemeris of MCA32

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.205    114.3
-------------------------
1942.0     0.139    242.0
1943.0     0.142    243.1
1944.0     0.144    244.1
1945.0     0.147    245.1
1946.0     0.149    246.0
1947.0     0.152    247.0
1948.0     0.155    247.8
1949.0     0.157    248.7
1950.0     0.160    249.5
1951.0     0.162    250.4
1952.0     0.165    251.1
1953.0     0.168    251.9
1954.0     0.170    252.6
1955.0     0.172    253.3
1956.0     0.175    254.0
1957.0     0.177    254.7
1958.0     0.179    255.4
1959.0     0.182    256.0
1960.0     0.184    256.7
1961.0     0.186    257.3
1962.0     0.188    257.9
1963.0     0.190    258.5
1964.0     0.192    259.0
1965.0     0.193    259.6
1966.0     0.195    260.2
1967.0     0.196    260.7
1968.0     0.198    261.2
1969.0     0.199    261.8
1970.0     0.200    262.3
1971.0     0.201    262.8
1972.0     0.202    263.3
1973.0     0.202    263.9
1974.0     0.203    264.4
1975.0     0.203    264.9
1976.0     0.202    265.4
1977.0     0.202    265.9
1978.0     0.201    266.4
1979.0     0.200    266.9
1980.0     0.198    267.5
1981.0     0.196    268.0
1982.0     0.194    268.6
1983.0     0.191    269.1
1984.0     0.187    269.7
1985.0     0.182    270.3
1986.0     0.176    271.0
1987.0     0.169    271.7
1988.0     0.160    272.5
1989.0     0.148    273.4
1990.0     0.133    274.4
1991.0     0.114    275.8
1992.0     0.086    277.9
1993.0     0.043    283.3
1994.0     0.018     79.2
1995.0     0.070     94.6
1996.0     0.104     97.5
1997.0     0.127     99.0
1998.0     0.145    100.2
1999.0     0.158    101.1
2000.0     0.169    101.9
2001.0     0.178    102.6
2002.0     0.185    103.2
2003.0     0.191    103.8
2004.0     0.196    104.3
2005.0     0.200    104.9
2006.0     0.204    105.4
2007.0     0.206    105.9
2008.0     0.209    106.4
2009.0     0.211    106.9
2010.0     0.212    107.3
2011.0     0.213    107.8
2012.0     0.214    108.3
2013.0     0.214    108.7
2014.0     0.215    109.2
2015.0     0.215    109.6
2016.0     0.214    110.1
2017.0     0.214    110.5
2018.0     0.213    111.0
2019.0     0.213    111.5
2020.0     0.212    111.9
2021.0     0.210    112.4
2022.0     0.209    112.9
2023.0     0.208    113.4
2024.0     0.206    113.8
2025.0     0.205    114.3
2026.0     0.203    114.8
2027.0     0.201    115.4
2028.0     0.199    115.9
2029.0     0.197    116.4
2030.0     0.195    117.0
2031.0     0.193    117.5
2032.0     0.191    118.1
2033.0     0.189    118.7
2034.0     0.187    119.3
2035.0     0.184    119.9
2036.0     0.182    120.5
2037.0     0.179    121.1
2038.0     0.177    121.8
2039.0     0.174    122.5
2040.0     0.172    123.2
2041.0     0.169    123.9
2042.0     0.167    124.6
2043.0     0.164    125.4
2044.0     0.161    126.2
2045.0     0.159    127.0
2046.0     0.156    127.9
2047.0     0.153    128.8
2048.0     0.151    129.7
2049.0     0.148    130.6
2050.0     0.145    131.6
2051.0     0.143    132.6
2052.0     0.140    133.6
2053.0     0.137    134.7
2054.0     0.134    135.9
2055.0     0.132    137.1
2056.0     0.129    138.3
2057.0     0.127    139.6
2058.0     0.124    140.9
2059.0     0.122    142.3
2060.0     0.119    143.8
2061.0     0.117    145.3
2062.0     0.114    146.8
2063.0     0.112    148.5
2064.0     0.110    150.2
2065.0     0.108    151.9
2066.0     0.106    153.8
2067.0     0.104    155.7
2068.0     0.102    157.7
2069.0     0.100    159.7
2070.0     0.098    161.9
2071.0     0.097    164.1
2072.0     0.096    166.3
2073.0     0.094    168.7
2074.0     0.093    171.1
2075.0     0.092    173.5
2076.0     0.091    176.0
2077.0     0.091    178.5
2078.0     0.090    181.1
2079.0     0.090    183.7
2080.0     0.090    186.3
2081.0     0.090    188.9
2082.0     0.090    191.5
2083.0     0.090    194.1
2084.0     0.091    196.7
2085.0     0.091    199.3
2086.0     0.092    201.8
2087.0     0.093    204.2
2088.0     0.094    206.6
2089.0     0.095    209.0
2090.0     0.097    211.3
2091.0     0.098    213.5
2092.0     0.100    215.6
2093.0     0.101    217.7
2094.0     0.103    219.7
2095.0     0.105    221.6
2096.0     0.107    223.5
2097.0     0.109    225.3
2098.0     0.112    227.0
2099.0     0.114    228.6
2100.0     0.116    230.2
2101.0     0.119    231.8
2102.0     0.121    233.2
2103.0     0.123    234.6
2104.0     0.126    236.0
2105.0     0.128    237.3
2106.0     0.131    238.5
2107.0     0.134    239.7

Disclaimer

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.