Double Star Calculator - Orbit

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: 1941.5 Year
End-Year: 2108.5 Year
Epoch: 2026.5 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
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Tok2019c Reference

Double Star Orbit for MCA32



WDS 6th Orbit including measures of MCA32

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


Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of MCA32
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.202   115.10
--------------------------
1941.50    0.138   241.44
1942.50    0.140   242.53
1943.50    0.143   243.57
1944.50    0.145   244.58
1945.50    0.148   245.56
1946.50    0.151   246.50
1947.50    0.153   247.41
1948.50    0.156   248.28
1949.50    0.159   249.13
1950.50    0.161   249.95
1951.50    0.164   250.75
1952.50    0.166   251.52
1953.50    0.169   252.26
1954.50    0.171   252.99
1955.50    0.174   253.70
1956.50    0.176   254.38
1957.50    0.178   255.05
1958.50    0.181   255.71
1959.50    0.183   256.34
1960.50    0.185   256.96
1961.50    0.187   257.57
1962.50    0.189   258.17
1963.50    0.191   258.75
1964.50    0.192   259.32
1965.50    0.194   259.88
1966.50    0.196   260.44
1967.50    0.197   260.98
1968.50    0.198   261.52
1969.50    0.200   262.05
1970.50    0.201   262.57
1971.50    0.201   263.09
1972.50    0.202   263.61
1973.50    0.202   264.12
1974.50    0.203   264.63
1975.50    0.203   265.14
1976.50    0.202   265.66
1977.50    0.202   266.17
1978.50    0.201   266.69
1979.50    0.199   267.21
1980.50    0.198   267.75
1981.50    0.195   268.29
1982.50    0.192   268.85
1983.50    0.189   269.43
1984.50    0.184   270.03
1985.50    0.179   270.67
1986.50    0.172   271.34
1987.50    0.164   272.08
1988.50    0.154   272.91
1989.50    0.141   273.87
1990.50    0.124   275.06
1991.50    0.101   276.70
1992.50    0.067   279.71
1993.50    0.015   299.01
1994.50    0.046    91.41
1995.50    0.088    96.32
1996.50    0.116    98.32
1997.50    0.137    99.63
1998.50    0.152   100.64
1999.50    0.164   101.48
2000.50    0.174   102.22
2001.50    0.182   102.88
2002.50    0.188   103.50
2003.50    0.194   104.07
2004.50    0.198   104.62
2005.50    0.202   105.14
2006.50    0.205   105.65
2007.50    0.208   106.14
2008.50    0.210   106.62
2009.50    0.211   107.10
2010.50    0.213   107.56
2011.50    0.214   108.03
2012.50    0.214   108.48
2013.50    0.215   108.94
2014.50    0.215   109.40
2015.50    0.215   109.85
2016.50    0.214   110.31
2017.50    0.214   110.77
2018.50    0.213   111.23
2019.50    0.212   111.69
2020.50    0.211   112.16
2021.50    0.210   112.64
2022.50    0.209   113.11
2023.50    0.207   113.60
2024.50    0.206   114.09
2025.50    0.204   114.59
2026.50    0.202   115.10
2027.50    0.200   115.62
2028.50    0.198   116.15
2029.50    0.196   116.69
2030.50    0.194   117.24
2031.50    0.192   117.80
2032.50    0.190   118.37
2033.50    0.188   118.96
2034.50    0.185   119.56
2035.50    0.183   120.18
2036.50    0.181   120.82
2037.50    0.178   121.47
2038.50    0.176   122.14
2039.50    0.173   122.83
2040.50    0.171   123.54
2041.50    0.168   124.27
2042.50    0.165   125.03
2043.50    0.163   125.81
2044.50    0.160   126.61
2045.50    0.157   127.45
2046.50    0.155   128.31
2047.50    0.152   129.20
2048.50    0.149   130.13
2049.50    0.147   131.09
2050.50    0.144   132.08
2051.50    0.141   133.12
2052.50    0.138   134.19
2053.50    0.136   135.31
2054.50    0.133   136.47
2055.50    0.131   137.68
2056.50    0.128   138.93
2057.50    0.125   140.24
2058.50    0.123   141.60
2059.50    0.120   143.02
2060.50    0.118   144.50
2061.50    0.116   146.04
2062.50    0.113   147.64
2063.50    0.111   149.31
2064.50    0.109   151.05
2065.50    0.107   152.86
2066.50    0.105   154.74
2067.50    0.103   156.69
2068.50    0.101   158.71
2069.50    0.099   160.80
2070.50    0.098   162.97
2071.50    0.096   165.20
2072.50    0.095   167.50
2073.50    0.094   169.86
2074.50    0.093   172.28
2075.50    0.092   174.75
2076.50    0.091   177.27
2077.50    0.090   179.82
2078.50    0.090   182.41
2079.50    0.090   185.01
2080.50    0.090   187.62
2081.50    0.090   190.24
2082.50    0.090   192.85
2083.50    0.090   195.44
2084.50    0.091   198.00
2085.50    0.092   200.52
2086.50    0.092   203.01
2087.50    0.093   205.44
2088.50    0.095   207.81
2089.50    0.096   210.13
2090.50    0.097   212.37
2091.50    0.099   214.55
2092.50    0.101   216.66
2093.50    0.102   218.70
2094.50    0.104   220.67
2095.50    0.106   222.56
2096.50    0.108   224.39
2097.50    0.110   226.14
2098.50    0.113   227.83
2099.50    0.115   229.45
2100.50    0.117   231.01
2101.50    0.120   232.50
2102.50    0.122   233.94
2103.50    0.125   235.31
2104.50    0.127   236.64
2105.50    0.130   237.91
2106.50    0.132   239.13
2107.50    0.135   240.31






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 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.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 15:58:28



www.stella-vega.de