Double Star Calculator - Orbit

Orbital Elements for A2477
WDS: A2477 WDS ID/Discoverer
P: 250.000 Orbital period (years)
a: 0.392 Semi-major axis (arcseconds)
i: 38.0 Inclination (degrees)
Ω: 195.7 Longitude of ascending node (degrees)
T: 2111.300 Epoch of periastron passage (year)
e: 0.14 Eccentricity
ω: 313.3 Longitude of periastron (degrees)
Start-Year: 1900.0 Year
End-Year: 2150.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A2477
Position: 092431.21+180829.1 Epoch-2000 right ascension and declination
WDS-ID: 09245+1808 WDS designation
Discoverer Code: A2477 Discover designation and components
ADS number: 7341 Aitken Double Star catalog
HD number: 81163 HD catalog number
Hipparcos number: 46137 Hipparcos catalog number
V1: 7.46 Magnitude of the primary
V2: 9.18 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2013 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: FMR2014a Reference

Double Star Orbit for A2477



WDS 6th Orbit including measures of A2477

-- 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 A2477
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.426    14.80
--------------------------
1900.00    0.356   214.67
1901.00    0.355   216.04
1902.00    0.355   217.40
1903.00    0.355   218.77
1904.00    0.354   220.15
1905.00    0.354   221.53
1906.00    0.353   222.91
1907.00    0.353   224.29
1908.00    0.352   225.69
1909.00    0.351   227.08
1910.00    0.350   228.49
1911.00    0.350   229.89
1912.00    0.349   231.31
1913.00    0.348   232.73
1914.00    0.347   234.16
1915.00    0.346   235.59
1916.00    0.346   237.03
1917.00    0.345   238.48
1918.00    0.344   239.94
1919.00    0.343   241.40
1920.00    0.342   242.87
1921.00    0.341   244.35
1922.00    0.341   245.84
1923.00    0.340   247.33
1924.00    0.339   248.83
1925.00    0.338   250.33
1926.00    0.338   251.84
1927.00    0.337   253.36
1928.00    0.336   254.88
1929.00    0.336   256.41
1930.00    0.335   257.94
1931.00    0.335   259.48
1932.00    0.334   261.02
1933.00    0.334   262.57
1934.00    0.334   264.11
1935.00    0.334   265.66
1936.00    0.333   267.22
1937.00    0.333   268.77
1938.00    0.333   270.32
1939.00    0.333   271.88
1940.00    0.334   273.43
1941.00    0.334   274.98
1942.00    0.334   276.53
1943.00    0.334   278.07
1944.00    0.335   279.62
1945.00    0.335   281.15
1946.00    0.336   282.69
1947.00    0.337   284.22
1948.00    0.337   285.74
1949.00    0.338   287.25
1950.00    0.339   288.76
1951.00    0.340   290.26
1952.00    0.341   291.75
1953.00    0.342   293.23
1954.00    0.343   294.70
1955.00    0.344   296.17
1956.00    0.345   297.62
1957.00    0.347   299.06
1958.00    0.348   300.49
1959.00    0.350   301.91
1960.00    0.351   303.31
1961.00    0.353   304.71
1962.00    0.354   306.09
1963.00    0.356   307.46
1964.00    0.358   308.81
1965.00    0.359   310.16
1966.00    0.361   311.49
1967.00    0.363   312.81
1968.00    0.365   314.11
1969.00    0.366   315.40
1970.00    0.368   316.68
1971.00    0.370   317.95
1972.00    0.372   319.20
1973.00    0.374   320.44
1974.00    0.376   321.67
1975.00    0.378   322.88
1976.00    0.380   324.09
1977.00    0.382   325.28
1978.00    0.384   326.46
1979.00    0.386   327.62
1980.00    0.388   328.78
1981.00    0.390   329.92
1982.00    0.392   331.05
1983.00    0.393   332.17
1984.00    0.395   333.28
1985.00    0.397   334.38
1986.00    0.399   335.47
1987.00    0.401   336.55
1988.00    0.403   337.62
1989.00    0.404   338.68
1990.00    0.406   339.73
1991.00    0.408   340.78
1992.00    0.409   341.81
1993.00    0.411   342.84
1994.00    0.412   343.86
1995.00    0.414   344.87
1996.00    0.415   345.87
1997.00    0.417   346.87
1998.00    0.418   347.86
1999.00    0.419   348.85
2000.00    0.421   349.82
2001.00    0.422   350.80
2002.00    0.423   351.77
2003.00    0.424   352.73
2004.00    0.425   353.69
2005.00    0.426   354.64
2006.00    0.427   355.59
2007.00    0.427   356.54
2008.00    0.428   357.48
2009.00    0.429   358.42
2010.00    0.429   359.36
2011.00    0.430     0.30
2012.00    0.430     1.23
2013.00    0.430     2.16
2014.00    0.431     3.10
2015.00    0.431     4.03
2016.00    0.431     4.96
2017.00    0.431     5.89
2018.00    0.431     6.82
2019.00    0.430     7.75
2020.00    0.430     8.68
2021.00    0.430     9.62
2022.00    0.429    10.55
2023.00    0.429    11.49
2024.00    0.428    12.43
2025.00    0.427    13.37
2026.00    0.427    14.32
2027.00    0.426    15.27
2028.00    0.425    16.23
2029.00    0.423    17.19
2030.00    0.422    18.15
2031.00    0.421    19.13
2032.00    0.420    20.10
2033.00    0.418    21.09
2034.00    0.417    22.08
2035.00    0.415    23.08
2036.00    0.413    24.09
2037.00    0.411    25.10
2038.00    0.409    26.13
2039.00    0.407    27.16
2040.00    0.405    28.21
2041.00    0.403    29.27
2042.00    0.401    30.34
2043.00    0.398    31.42
2044.00    0.396    32.51
2045.00    0.393    33.62
2046.00    0.391    34.74
2047.00    0.388    35.88
2048.00    0.385    37.04
2049.00    0.383    38.21
2050.00    0.380    39.39
2051.00    0.377    40.60
2052.00    0.374    41.83
2053.00    0.371    43.07
2054.00    0.368    44.34
2055.00    0.364    45.63
2056.00    0.361    46.94
2057.00    0.358    48.28
2058.00    0.355    49.64
2059.00    0.351    51.02
2060.00    0.348    52.43
2061.00    0.345    53.87
2062.00    0.341    55.34
2063.00    0.338    56.84
2064.00    0.335    58.36
2065.00    0.331    59.92
2066.00    0.328    61.51
2067.00    0.325    63.13
2068.00    0.321    64.79
2069.00    0.318    66.48
2070.00    0.315    68.20
2071.00    0.312    69.96
2072.00    0.309    71.76
2073.00    0.306    73.59
2074.00    0.303    75.45
2075.00    0.300    77.36
2076.00    0.297    79.29
2077.00    0.294    81.27
2078.00    0.292    83.28
2079.00    0.290    85.32
2080.00    0.287    87.39
2081.00    0.285    89.50
2082.00    0.283    91.64
2083.00    0.281    93.80
2084.00    0.280    96.00
2085.00    0.278    98.21
2086.00    0.277   100.45
2087.00    0.276   102.71
2088.00    0.275   104.98
2089.00    0.274   107.27
2090.00    0.274   109.57
2091.00    0.274   111.88
2092.00    0.273   114.19
2093.00    0.273   116.50
2094.00    0.274   118.80
2095.00    0.274   121.10
2096.00    0.275   123.40
2097.00    0.276   125.68
2098.00    0.276   127.95
2099.00    0.278   130.20
2100.00    0.279   132.43
2101.00    0.280   134.64
2102.00    0.282   136.82
2103.00    0.284   138.98
2104.00    0.285   141.11
2105.00    0.287   143.22
2106.00    0.289   145.30
2107.00    0.292   147.34
2108.00    0.294   149.36
2109.00    0.296   151.34
2110.00    0.298   153.30
2111.00    0.301   155.23
2112.00    0.303   157.12
2113.00    0.306   158.98
2114.00    0.308   160.82
2115.00    0.310   162.63
2116.00    0.313   164.40
2117.00    0.315   166.15
2118.00    0.318   167.88
2119.00    0.320   169.58
2120.00    0.322   171.25
2121.00    0.325   172.90
2122.00    0.327   174.52
2123.00    0.329   176.13
2124.00    0.331   177.71
2125.00    0.333   179.27
2126.00    0.335   180.82
2127.00    0.337   182.34
2128.00    0.339   183.85
2129.00    0.341   185.35
2130.00    0.343   186.83
2131.00    0.344   188.29
2132.00    0.346   189.74
2133.00    0.347   191.18
2134.00    0.348   192.61
2135.00    0.349   194.03
2136.00    0.350   195.44
2137.00    0.351   196.84
2138.00    0.352   198.24
2139.00    0.353   199.62
2140.00    0.354   201.01
2141.00    0.354   202.38
2142.00    0.355   203.76
2143.00    0.355   205.12
2144.00    0.356   206.49
2145.00    0.356   207.86
2146.00    0.356   209.22
2147.00    0.356   210.58
2148.00    0.356   211.94
2149.00    0.356   213.31






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 16:17:57



www.stella-vega.de