Double Star Calculator - Orbit

Orbital Elements for A2267AB
WDS: A2267AB WDS ID/Discoverer
P: 267.000 Orbital period (years)
a: 0.547 Semi-major axis (arcseconds)
i: 96.4 Inclination (degrees)
Ω: 167.6 Longitude of ascending node (degrees)
T: 2196.800 Epoch of periastron passage (year)
e: 0.2 Eccentricity
ω: 13.8 Longitude of periastron (degrees)
Start-Year: 1891.5 Year
End-Year: 2158.5 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A2267AB
Position: 191723.99+011451.3 Epoch-2000 right ascension and declination
WDS-ID: 19174+0115 WDS designation
Discoverer Code: A2267AB Discover designation and components
ADS number: 12267 Aitken Double Star catalog
HD number: 180662 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.7 Magnitude of the primary
V2: 10.7 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2018 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2022g Reference

Double Star Orbit for A2267AB



WDS 6th Orbit including measures of A2267AB

-- 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 A2267AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.587   350.05
--------------------------
1891.50    0.262   177.95
1892.50    0.272   177.34
1893.50    0.282   176.76
1894.50    0.292   176.23
1895.50    0.302   175.73
1896.50    0.311   175.26
1897.50    0.320   174.82
1898.50    0.329   174.40
1899.50    0.338   174.00
1900.50    0.346   173.62
1901.50    0.354   173.26
1902.50    0.362   172.92
1903.50    0.369   172.59
1904.50    0.376   172.27
1905.50    0.383   171.97
1906.50    0.390   171.67
1907.50    0.396   171.39
1908.50    0.402   171.11
1909.50    0.407   170.84
1910.50    0.412   170.58
1911.50    0.417   170.32
1912.50    0.421   170.07
1913.50    0.425   169.83
1914.50    0.428   169.58
1915.50    0.431   169.35
1916.50    0.434   169.11
1917.50    0.436   168.88
1918.50    0.438   168.65
1919.50    0.439   168.42
1920.50    0.440   168.19
1921.50    0.440   167.96
1922.50    0.440   167.74
1923.50    0.439   167.51
1924.50    0.438   167.28
1925.50    0.437   167.05
1926.50    0.435   166.82
1927.50    0.432   166.58
1928.50    0.430   166.35
1929.50    0.426   166.10
1930.50    0.422   165.86
1931.50    0.418   165.61
1932.50    0.413   165.36
1933.50    0.408   165.09
1934.50    0.403   164.83
1935.50    0.397   164.55
1936.50    0.390   164.27
1937.50    0.384   163.97
1938.50    0.376   163.67
1939.50    0.369   163.35
1940.50    0.361   163.02
1941.50    0.352   162.67
1942.50    0.344   162.31
1943.50    0.335   161.93
1944.50    0.325   161.52
1945.50    0.316   161.09
1946.50    0.306   160.64
1947.50    0.296   160.15
1948.50    0.285   159.63
1949.50    0.274   159.06
1950.50    0.263   158.45
1951.50    0.252   157.79
1952.50    0.241   157.06
1953.50    0.229   156.27
1954.50    0.217   155.38
1955.50    0.205   154.39
1956.50    0.193   153.29
1957.50    0.181   152.03
1958.50    0.169   150.59
1959.50    0.157   148.94
1960.50    0.145   147.00
1961.50    0.133   144.71
1962.50    0.121   141.96
1963.50    0.109   138.62
1964.50    0.098   134.49
1965.50    0.087   129.31
1966.50    0.077   122.73
1967.50    0.068   114.36
1968.50    0.062   103.85
1969.50    0.057    91.24
1970.50    0.056    77.31
1971.50    0.058    63.56
1972.50    0.063    51.35
1973.50    0.070    41.31
1974.50    0.079    33.35
1975.50    0.089    27.10
1976.50    0.100    22.17
1977.50    0.112    18.23
1978.50    0.123    15.04
1979.50    0.136    12.40
1980.50    0.148    10.20
1981.50    0.160     8.34
1982.50    0.172     6.74
1983.50    0.185     5.36
1984.50    0.197     4.15
1985.50    0.209     3.08
1986.50    0.222     2.13
1987.50    0.234     1.28
1988.50    0.246     0.51
1989.50    0.258   359.82
1990.50    0.270   359.19
1991.50    0.282   358.61
1992.50    0.293   358.07
1993.50    0.305   357.58
1994.50    0.316   357.12
1995.50    0.327   356.70
1996.50    0.339   356.30
1997.50    0.349   355.93
1998.50    0.360   355.58
1999.50    0.371   355.25
2000.50    0.381   354.93
2001.50    0.392   354.64
2002.50    0.402   354.36
2003.50    0.412   354.09
2004.50    0.422   353.84
2005.50    0.431   353.60
2006.50    0.441   353.36
2007.50    0.450   353.14
2008.50    0.459   352.93
2009.50    0.468   352.72
2010.50    0.476   352.53
2011.50    0.485   352.33
2012.50    0.493   352.15
2013.50    0.501   351.97
2014.50    0.509   351.80
2015.50    0.517   351.63
2016.50    0.524   351.47
2017.50    0.531   351.31
2018.50    0.538   351.16
2019.50    0.545   351.01
2020.50    0.552   350.86
2021.50    0.558   350.72
2022.50    0.564   350.58
2023.50    0.571   350.44
2024.50    0.576   350.31
2025.50    0.582   350.17
2026.50    0.587   350.05
2027.50    0.592   349.92
2028.50    0.597   349.79
2029.50    0.602   349.67
2030.50    0.607   349.55
2031.50    0.611   349.43
2032.50    0.615   349.32
2033.50    0.619   349.20
2034.50    0.623   349.09
2035.50    0.626   348.97
2036.50    0.629   348.86
2037.50    0.632   348.75
2038.50    0.635   348.64
2039.50    0.638   348.53
2040.50    0.640   348.42
2041.50    0.642   348.32
2042.50    0.644   348.21
2043.50    0.646   348.10
2044.50    0.648   348.00
2045.50    0.649   347.89
2046.50    0.650   347.79
2047.50    0.651   347.69
2048.50    0.652   347.58
2049.50    0.652   347.48
2050.50    0.653   347.38
2051.50    0.653   347.27
2052.50    0.652   347.17
2053.50    0.652   347.06
2054.50    0.652   346.96
2055.50    0.651   346.86
2056.50    0.650   346.75
2057.50    0.649   346.65
2058.50    0.647   346.54
2059.50    0.646   346.44
2060.50    0.644   346.33
2061.50    0.642   346.23
2062.50    0.640   346.12
2063.50    0.637   346.01
2064.50    0.635   345.90
2065.50    0.632   345.79
2066.50    0.629   345.68
2067.50    0.626   345.57
2068.50    0.622   345.45
2069.50    0.618   345.34
2070.50    0.615   345.22
2071.50    0.611   345.11
2072.50    0.606   344.99
2073.50    0.602   344.87
2074.50    0.598   344.75
2075.50    0.593   344.62
2076.50    0.588   344.49
2077.50    0.583   344.37
2078.50    0.577   344.23
2079.50    0.572   344.10
2080.50    0.566   343.96
2081.50    0.560   343.83
2082.50    0.554   343.68
2083.50    0.548   343.54
2084.50    0.541   343.39
2085.50    0.535   343.24
2086.50    0.528   343.08
2087.50    0.521   342.92
2088.50    0.514   342.76
2089.50    0.507   342.59
2090.50    0.499   342.41
2091.50    0.491   342.23
2092.50    0.484   342.05
2093.50    0.476   341.86
2094.50    0.468   341.66
2095.50    0.459   341.45
2096.50    0.451   341.24
2097.50    0.442   341.02
2098.50    0.433   340.79
2099.50    0.425   340.55
2100.50    0.415   340.30
2101.50    0.406   340.04
2102.50    0.397   339.77
2103.50    0.387   339.48
2104.50    0.378   339.18
2105.50    0.368   338.86
2106.50    0.358   338.53
2107.50    0.348   338.18
2108.50    0.338   337.80
2109.50    0.328   337.40
2110.50    0.318   336.98
2111.50    0.307   336.53
2112.50    0.297   336.05
2113.50    0.286   335.53
2114.50    0.275   334.97
2115.50    0.264   334.36
2116.50    0.253   333.70
2117.50    0.242   332.99
2118.50    0.231   332.20
2119.50    0.220   331.34
2120.50    0.209   330.38
2121.50    0.198   329.32
2122.50    0.187   328.13
2123.50    0.176   326.78
2124.50    0.165   325.26
2125.50    0.153   323.52
2126.50    0.143   321.50
2127.50    0.132   319.15
2128.50    0.121   316.39
2129.50    0.111   313.10
2130.50    0.101   309.14
2131.50    0.091   304.33
2132.50    0.083   298.47
2133.50    0.075   291.31
2134.50    0.068   282.68
2135.50    0.064   272.58
2136.50    0.062   261.34
2137.50    0.062   249.72
2138.50    0.064   238.60
2139.50    0.069   228.67
2140.50    0.076   220.24
2141.50    0.084   213.26
2142.50    0.092   207.54
2143.50    0.102   202.86
2144.50    0.112   198.99
2145.50    0.122   195.77
2146.50    0.133   193.06
2147.50    0.144   190.75
2148.50    0.155   188.76
2149.50    0.166   187.04
2150.50    0.177   185.53
2151.50    0.188   184.20
2152.50    0.198   183.02
2153.50    0.209   181.96
2154.50    0.220   181.00
2155.50    0.231   180.14
2156.50    0.241   179.34
2157.50    0.252   178.62






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 18:02:39



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