Double Star Calculator - Orbit

Orbital Elements for A2286AB
WDS: A2286AB WDS ID/Discoverer
P: 252.900 Orbital period (years)
a: 0.217 Semi-major axis (arcseconds)
i: 58.9 Inclination (degrees)
Ω: 111.7 Longitude of ascending node (degrees)
T: 2014.484 Epoch of periastron passage (year)
e: 0.667 Eccentricity
ω: 203.1 Longitude of periastron (degrees)
Start-Year: 1898.55 Year
End-Year: 2151.45 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A2286AB
Position: 205208.54+020515.6 Epoch-2000 right ascension and declination
WDS-ID: 20521+0205 WDS designation
Discoverer Code: A2286AB Discover designation and components
ADS number: 14372 Aitken Double Star catalog
HD number: 198706 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.14 Magnitude of the primary
V2: 9.3 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2023a Reference

Double Star Orbit for A2286AB



WDS 6th Orbit including measures of A2286AB

-- 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 A2286AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.064    51.31
--------------------------
1898.55    0.331   126.52
1899.55    0.330   126.76
1900.55    0.329   127.00
1901.55    0.328   127.23
1902.55    0.327   127.48
1903.55    0.325   127.72
1904.55    0.324   127.96
1905.55    0.323   128.21
1906.55    0.321   128.46
1907.55    0.320   128.71
1908.55    0.318   128.96
1909.55    0.317   129.22
1910.55    0.315   129.47
1911.55    0.314   129.74
1912.55    0.312   130.00
1913.55    0.311   130.26
1914.55    0.309   130.53
1915.55    0.307   130.81
1916.55    0.305   131.08
1917.55    0.304   131.36
1918.55    0.302   131.64
1919.55    0.300   131.93
1920.55    0.298   132.21
1921.55    0.296   132.51
1922.55    0.294   132.80
1923.55    0.292   133.10
1924.55    0.290   133.41
1925.55    0.288   133.72
1926.55    0.286   134.03
1927.55    0.283   134.35
1928.55    0.281   134.67
1929.55    0.279   135.00
1930.55    0.277   135.34
1931.55    0.274   135.68
1932.55    0.272   136.02
1933.55    0.269   136.38
1934.55    0.267   136.74
1935.55    0.264   137.10
1936.55    0.262   137.47
1937.55    0.259   137.85
1938.55    0.257   138.24
1939.55    0.254   138.64
1940.55    0.251   139.04
1941.55    0.249   139.45
1942.55    0.246   139.87
1943.55    0.243   140.31
1944.55    0.240   140.75
1945.55    0.237   141.20
1946.55    0.234   141.66
1947.55    0.232   142.14
1948.55    0.229   142.63
1949.55    0.226   143.13
1950.55    0.222   143.64
1951.55    0.219   144.17
1952.55    0.216   144.71
1953.55    0.213   145.27
1954.55    0.210   145.85
1955.55    0.207   146.44
1956.55    0.203   147.06
1957.55    0.200   147.69
1958.55    0.197   148.35
1959.55    0.193   149.02
1960.55    0.190   149.73
1961.55    0.187   150.45
1962.55    0.183   151.21
1963.55    0.180   151.99
1964.55    0.176   152.81
1965.55    0.173   153.65
1966.55    0.169   154.54
1967.55    0.165   155.46
1968.55    0.162   156.42
1969.55    0.158   157.43
1970.55    0.155   158.48
1971.55    0.151   159.59
1972.55    0.147   160.75
1973.55    0.144   161.97
1974.55    0.140   163.25
1975.55    0.136   164.60
1976.55    0.133   166.03
1977.55    0.129   167.53
1978.55    0.125   169.13
1979.55    0.122   170.82
1980.55    0.118   172.61
1981.55    0.115   174.52
1982.55    0.111   176.54
1983.55    0.108   178.69
1984.55    0.104   180.99
1985.55    0.101   183.44
1986.55    0.098   186.04
1987.55    0.095   188.82
1988.55    0.092   191.78
1989.55    0.089   194.92
1990.55    0.087   198.26
1991.55    0.084   201.80
1992.55    0.082   205.54
1993.55    0.080   209.47
1994.55    0.078   213.58
1995.55    0.077   217.85
1996.55    0.076   222.27
1997.55    0.075   226.80
1998.55    0.074   231.42
1999.55    0.074   236.09
2000.55    0.074   240.77
2001.55    0.074   245.45
2002.55    0.075   250.08
2003.55    0.075   254.65
2004.55    0.076   259.15
2005.55    0.077   263.58
2006.55    0.077   267.94
2007.55    0.078   272.24
2008.55    0.078   276.51
2009.55    0.077   280.79
2010.55    0.077   285.12
2011.55    0.075   289.57
2012.55    0.074   294.21
2013.55    0.071   299.14
2014.55    0.068   304.49
2015.55    0.064   310.41
2016.55    0.060   317.07
2017.55    0.056   324.67
2018.55    0.053   333.35
2019.55    0.050   343.19
2020.55    0.048   354.02
2021.55    0.047     5.40
2022.55    0.048    16.68
2023.55    0.051    27.24
2024.55    0.054    36.64
2025.55    0.059    44.75
2026.55    0.064    51.62
2027.55    0.070    57.42
2028.55    0.076    62.32
2029.55    0.082    66.49
2030.55    0.088    70.06
2031.55    0.095    73.15
2032.55    0.101    75.85
2033.55    0.107    78.24
2034.55    0.114    80.35
2035.55    0.120    82.24
2036.55    0.126    83.95
2037.55    0.132    85.50
2038.55    0.138    86.92
2039.55    0.144    88.22
2040.55    0.150    89.42
2041.55    0.155    90.53
2042.55    0.161    91.56
2043.55    0.166    92.53
2044.55    0.171    93.44
2045.55    0.177    94.29
2046.55    0.182    95.10
2047.55    0.187    95.86
2048.55    0.191    96.58
2049.55    0.196    97.27
2050.55    0.201    97.92
2051.55    0.205    98.55
2052.55    0.210    99.15
2053.55    0.214    99.72
2054.55    0.218   100.27
2055.55    0.223   100.80
2056.55    0.227   101.31
2057.55    0.231   101.81
2058.55    0.234   102.28
2059.55    0.238   102.75
2060.55    0.242   103.19
2061.55    0.246   103.63
2062.55    0.249   104.05
2063.55    0.253   104.46
2064.55    0.256   104.86
2065.55    0.259   105.25
2066.55    0.263   105.63
2067.55    0.266   105.99
2068.55    0.269   106.36
2069.55    0.272   106.71
2070.55    0.275   107.05
2071.55    0.278   107.39
2072.55    0.280   107.72
2073.55    0.283   108.05
2074.55    0.286   108.37
2075.55    0.288   108.68
2076.55    0.291   108.99
2077.55    0.293   109.29
2078.55    0.296   109.59
2079.55    0.298   109.88
2080.55    0.300   110.17
2081.55    0.302   110.45
2082.55    0.305   110.73
2083.55    0.307   111.01
2084.55    0.309   111.28
2085.55    0.311   111.55
2086.55    0.313   111.82
2087.55    0.314   112.08
2088.55    0.316   112.34
2089.55    0.318   112.60
2090.55    0.320   112.85
2091.55    0.321   113.10
2092.55    0.323   113.35
2093.55    0.324   113.60
2094.55    0.326   113.84
2095.55    0.327   114.08
2096.55    0.328   114.32
2097.55    0.330   114.56
2098.55    0.331   114.80
2099.55    0.332   115.03
2100.55    0.333   115.27
2101.55    0.334   115.50
2102.55    0.335   115.73
2103.55    0.336   115.96
2104.55    0.337   116.18
2105.55    0.338   116.41
2106.55    0.339   116.64
2107.55    0.340   116.86
2108.55    0.341   117.08
2109.55    0.341   117.30
2110.55    0.342   117.52
2111.55    0.343   117.75
2112.55    0.343   117.96
2113.55    0.344   118.18
2114.55    0.344   118.40
2115.55    0.345   118.62
2116.55    0.345   118.84
2117.55    0.345   119.05
2118.55    0.345   119.27
2119.55    0.346   119.49
2120.55    0.346   119.70
2121.55    0.346   119.92
2122.55    0.346   120.13
2123.55    0.346   120.35
2124.55    0.346   120.56
2125.55    0.346   120.78
2126.55    0.346   120.99
2127.55    0.346   121.21
2128.55    0.346   121.42
2129.55    0.346   121.64
2130.55    0.346   121.85
2131.55    0.345   122.07
2132.55    0.345   122.29
2133.55    0.345   122.50
2134.55    0.344   122.72
2135.55    0.344   122.94
2136.55    0.343   123.16
2137.55    0.343   123.38
2138.55    0.342   123.60
2139.55    0.342   123.82
2140.55    0.341   124.04
2141.55    0.340   124.26
2142.55    0.340   124.49
2143.55    0.339   124.71
2144.55    0.338   124.93
2145.55    0.337   125.16
2146.55    0.336   125.39
2147.55    0.335   125.62
2148.55    0.334   125.85
2149.55    0.333   126.08
2150.55    0.332   126.31






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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 18:19:26



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