Double Star Calculator - Orbit

Orbital Elements for MAR1AA,AC

WDS:	MAR1AA,AC	WDS ID/Discoverer
P:	227.940	Orbital period (years)
a:	1.087	Semi-major axis (arcseconds)
i:	29.43	Inclination (degrees)
Ω:	65.68	Longitude of ascending node (degrees)
T:	1848.180	Epoch of periastron passage (year)
e:	0.0	Eccentricity
ω:	0.0	Longitude of periastron (degrees)
Start-Year:	1911.03	Year
End-Year:	2138.97	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for MAR1AA,AC
Position:	230728.71+210803.3	Epoch-2000 right ascension and declination
WDS-ID:	23075+2108	WDS designation
Discoverer Code:	MAR1AA,AC	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	218396	HD catalog number
Hipparcos number:	114189	Hipparcos catalog number
V1:	5.38k	Magnitude of the primary
V2:	14.65k	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2014	Date of last observation
Orbit grade:	5	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Zur2015	Reference

Double Star Orbit for MAR1AA,AC

WDS 6th Orbit including measures of MAR1AA,AC

-- 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 MAR1AA,AC

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.953   348.98
--------------------------
1911.03    0.951   166.29
1912.03    0.952   168.08
1913.03    0.954   169.87
1914.03    0.956   171.66
1915.03    0.958   173.43
1916.03    0.960   175.20
1917.03    0.962   176.96
1918.03    0.965   178.71
1919.03    0.967   180.45
1920.03    0.970   182.19
1921.03    0.973   183.91
1922.03    0.977   185.62
1923.03    0.980   187.31
1924.03    0.983   189.00
1925.03    0.987   190.68
1926.03    0.990   192.34
1927.03    0.994   193.99
1928.03    0.998   195.63
1929.03    1.001   197.26
1930.03    1.005   198.87
1931.03    1.009   200.47
1932.03    1.013   202.06
1933.03    1.017   203.64
1934.03    1.021   205.21
1935.03    1.025   206.76
1936.03    1.028   208.30
1937.03    1.032   209.84
1938.03    1.036   211.36
1939.03    1.040   212.87
1940.03    1.043   214.36
1941.03    1.047   215.85
1942.03    1.050   217.33
1943.03    1.053   218.80
1944.03    1.056   220.26
1945.03    1.060   221.71
1946.03    1.062   223.16
1947.03    1.065   224.59
1948.03    1.068   226.02
1949.03    1.070   227.44
1950.03    1.073   228.86
1951.03    1.075   230.27
1952.03    1.077   231.67
1953.03    1.079   233.07
1954.03    1.081   234.47
1955.03    1.082   235.86
1956.03    1.083   237.24
1957.03    1.084   238.63
1958.03    1.085   240.01
1959.03    1.086   241.39
1960.03    1.087   242.76
1961.03    1.087   244.14
1962.03    1.087   245.51
1963.03    1.087   246.89
1964.03    1.087   248.27
1965.03    1.086   249.64
1966.03    1.086   251.02
1967.03    1.085   252.40
1968.03    1.084   253.79
1969.03    1.082   255.17
1970.03    1.081   256.56
1971.03    1.079   257.95
1972.03    1.077   259.35
1973.03    1.075   260.75
1974.03    1.073   262.16
1975.03    1.071   263.58
1976.03    1.069   265.00
1977.03    1.066   266.42
1978.03    1.063   267.86
1979.03    1.060   269.30
1980.03    1.057   270.75
1981.03    1.054   272.21
1982.03    1.051   273.67
1983.03    1.047   275.15
1984.03    1.044   276.64
1985.03    1.040   278.13
1986.03    1.037   279.64
1987.03    1.033   281.16
1988.03    1.029   282.69
1989.03    1.025   284.23
1990.03    1.022   285.78
1991.03    1.018   287.34
1992.03    1.014   288.92
1993.03    1.010   290.50
1994.03    1.006   292.10
1995.03    1.002   293.71
1996.03    0.999   295.34
1997.03    0.995   296.97
1998.03    0.991   298.62
1999.03    0.988   300.28
2000.03    0.984   301.96
2001.03    0.981   303.64
2002.03    0.977   305.34
2003.03    0.974   307.04
2004.03    0.971   308.76
2005.03    0.968   310.49
2006.03    0.965   312.23
2007.03    0.963   313.98
2008.03    0.960   315.74
2009.03    0.958   317.50
2010.03    0.956   319.28
2011.03    0.954   321.06
2012.03    0.952   322.85
2013.03    0.951   324.64
2014.03    0.950   326.44
2015.03    0.949   328.25
2016.03    0.948   330.05
2017.03    0.947   331.86
2018.03    0.947   333.68
2019.03    0.947   335.49
2020.03    0.947   337.30
2021.03    0.947   339.12
2022.03    0.948   340.93
2023.03    0.948   342.73
2024.03    0.949   344.54
2025.03    0.951   346.34
2026.03    0.952   348.14
2027.03    0.954   349.93
2028.03    0.956   351.71
2029.03    0.958   353.49
2030.03    0.960   355.25
2031.03    0.962   357.01
2032.03    0.965   358.76
2033.03    0.968     0.51
2034.03    0.970     2.24
2035.03    0.973     3.96
2036.03    0.977     5.67
2037.03    0.980     7.37
2038.03    0.983     9.05
2039.03    0.987    10.73
2040.03    0.990    12.39
2041.03    0.994    14.04
2042.03    0.998    15.68
2043.03    1.002    17.31
2044.03    1.005    18.92
2045.03    1.009    20.52
2046.03    1.013    22.11
2047.03    1.017    23.69
2048.03    1.021    25.25
2049.03    1.025    26.81
2050.03    1.028    28.35
2051.03    1.032    29.88
2052.03    1.036    31.40
2053.03    1.040    32.91
2054.03    1.043    34.41
2055.03    1.047    35.90
2056.03    1.050    37.38
2057.03    1.053    38.85
2058.03    1.057    40.31
2059.03    1.060    41.76
2060.03    1.063    43.20
2061.03    1.065    44.64
2062.03    1.068    46.07
2063.03    1.071    47.49
2064.03    1.073    48.90
2065.03    1.075    50.31
2066.03    1.077    51.71
2067.03    1.079    53.11
2068.03    1.081    54.51
2069.03    1.082    55.90
2070.03    1.083    57.28
2071.03    1.084    58.67
2072.03    1.085    60.05
2073.03    1.086    61.43
2074.03    1.087    62.80
2075.03    1.087    64.18
2076.03    1.087    65.56
2077.03    1.087    66.93
2078.03    1.087    68.31
2079.03    1.086    69.68
2080.03    1.085    71.06
2081.03    1.085    72.44
2082.03    1.084    73.83
2083.03    1.082    75.21
2084.03    1.081    76.60
2085.03    1.079    78.00
2086.03    1.077    79.39
2087.03    1.075    80.80
2088.03    1.073    82.20
2089.03    1.071    83.62
2090.03    1.068    85.04
2091.03    1.066    86.47
2092.03    1.063    87.90
2093.03    1.060    89.34
2094.03    1.057    90.79
2095.03    1.054    92.25
2096.03    1.051    93.72
2097.03    1.047    95.20
2098.03    1.044    96.68
2099.03    1.040    98.18
2100.03    1.037    99.69
2101.03    1.033   101.20
2102.03    1.029   102.73
2103.03    1.025   104.27
2104.03    1.022   105.83
2105.03    1.018   107.39
2106.03    1.014   108.96
2107.03    1.010   110.55
2108.03    1.006   112.15
2109.03    1.002   113.76
2110.03    0.998   115.39
2111.03    0.995   117.02
2112.03    0.991   118.67
2113.03    0.987   120.33
2114.03    0.984   122.01
2115.03    0.981   123.69
2116.03    0.977   125.39
2117.03    0.974   127.09
2118.03    0.971   128.81
2119.03    0.968   130.54
2120.03    0.965   132.28
2121.03    0.963   134.03
2122.03    0.960   135.79
2123.03    0.958   137.56
2124.03    0.956   139.33
2125.03    0.954   141.11
2126.03    0.952   142.90
2127.03    0.951   144.70
2128.03    0.950   146.50
2129.03    0.949   148.30
2130.03    0.948   150.11
2131.03    0.947   151.92
2132.03    0.947   153.73
2133.03    0.947   155.54
2134.03    0.947   157.36
2135.03    0.947   159.17
2136.03    0.948   160.98
2137.03    0.948   162.79
2138.03    0.949   164.59

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 18:47:28