Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:42:36

Orbital Elements for A2899
WDS: A2899 WDS ID/Discoverer
P: 300.000 Orbital period (years)
a: 1.53 Semi-major axis (arcseconds)
i: 107.8 Inclination (degrees)
Ω: 4.0 Longitude of ascending node (degrees)
T: 2123.000 Epoch of periastron passage (year)
e: 0.231 Eccentricity
ω: 250.4 Longitude of periastron (degrees)
Start-Year: 1875.0 Year
End-Year: 2175.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A2899
Position: 084921.20+034102.3 Epoch-2000 right ascension and declination
WDS-ID: 08494+0341 WDS designation
Discoverer Code: A2899 Discover designation and components
ADS number: 7022 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 43304 Hipparcos catalog number
V1: 8.2 Magnitude of the primary
V2: 13.7 Magnitude of the secondary
Equinox: 2000 Equinox
Date: Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for A2899



WDS 6th Orbit including measures of A2899

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


Ephemeris of A2899
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.832    220.4
-------------------------
1875.0     1.353     10.7
1876.0     1.370     10.3
1877.0     1.387      9.8
1878.0     1.403      9.4
1879.0     1.419      9.0
1880.0     1.434      8.6
1881.0     1.449      8.2
1882.0     1.462      7.8
1883.0     1.476      7.4
1884.0     1.488      7.0
1885.0     1.500      6.6
1886.0     1.511      6.3
1887.0     1.522      5.9
1888.0     1.532      5.5
1889.0     1.542      5.2
1890.0     1.551      4.8
1891.0     1.559      4.5
1892.0     1.567      4.2
1893.0     1.574      3.8
1894.0     1.580      3.5
1895.0     1.586      3.1
1896.0     1.592      2.8
1897.0     1.597      2.5
1898.0     1.601      2.2
1899.0     1.605      1.8
1900.0     1.608      1.5
1901.0     1.611      1.2
1902.0     1.613      0.9
1903.0     1.614      0.5
1904.0     1.615      0.2
1905.0     1.616    359.9
1906.0     1.616    359.6
1907.0     1.616    359.3
1908.0     1.615    358.9
1909.0     1.613    358.6
1910.0     1.611    358.3
1911.0     1.609    358.0
1912.0     1.606    357.7
1913.0     1.603    357.3
1914.0     1.599    357.0
1915.0     1.595    356.7
1916.0     1.590    356.4
1917.0     1.585    356.0
1918.0     1.579    355.7
1919.0     1.573    355.3
1920.0     1.567    355.0
1921.0     1.560    354.7
1922.0     1.553    354.3
1923.0     1.545    354.0
1924.0     1.537    353.6
1925.0     1.529    353.3
1926.0     1.520    352.9
1927.0     1.511    352.5
1928.0     1.502    352.2
1929.0     1.492    351.8
1930.0     1.482    351.4
1931.0     1.471    351.0
1932.0     1.460    350.7
1933.0     1.449    350.3
1934.0     1.437    349.9
1935.0     1.426    349.4
1936.0     1.414    349.0
1937.0     1.401    348.6
1938.0     1.388    348.2
1939.0     1.375    347.7
1940.0     1.362    347.3
1941.0     1.349    346.8
1942.0     1.335    346.4
1943.0     1.321    345.9
1944.0     1.307    345.4
1945.0     1.292    344.9
1946.0     1.277    344.4
1947.0     1.262    343.9
1948.0     1.247    343.4
1949.0     1.232    342.8
1950.0     1.216    342.3
1951.0     1.201    341.7
1952.0     1.185    341.1
1953.0     1.169    340.5
1954.0     1.152    339.9
1955.0     1.136    339.3
1956.0     1.120    338.6
1957.0     1.103    337.9
1958.0     1.086    337.2
1959.0     1.070    336.5
1960.0     1.053    335.8
1961.0     1.036    335.0
1962.0     1.019    334.2
1963.0     1.002    333.4
1964.0     0.985    332.5
1965.0     0.968    331.7
1966.0     0.950    330.8
1967.0     0.933    329.8
1968.0     0.916    328.8
1969.0     0.899    327.8
1970.0     0.883    326.8
1971.0     0.866    325.7
1972.0     0.849    324.5
1973.0     0.833    323.4
1974.0     0.816    322.1
1975.0     0.800    320.8
1976.0     0.784    319.5
1977.0     0.769    318.1
1978.0     0.753    316.7
1979.0     0.738    315.2
1980.0     0.724    313.6
1981.0     0.709    312.0
1982.0     0.695    310.3
1983.0     0.682    308.5
1984.0     0.669    306.7
1985.0     0.657    304.8
1986.0     0.645    302.8
1987.0     0.634    300.8
1988.0     0.624    298.7
1989.0     0.614    296.5
1990.0     0.605    294.2
1991.0     0.597    291.9
1992.0     0.590    289.6
1993.0     0.583    287.1
1994.0     0.578    284.6
1995.0     0.573    282.1
1996.0     0.570    279.6
1997.0     0.567    277.0
1998.0     0.566    274.4
1999.0     0.566    271.8
2000.0     0.566    269.2
2001.0     0.568    266.6
2002.0     0.571    264.0
2003.0     0.574    261.4
2004.0     0.579    258.9
2005.0     0.584    256.4
2006.0     0.591    254.0
2007.0     0.598    251.7
2008.0     0.607    249.4
2009.0     0.616    247.1
2010.0     0.625    245.0
2011.0     0.636    242.9
2012.0     0.647    240.8
2013.0     0.659    238.9
2014.0     0.671    237.0
2015.0     0.684    235.2
2016.0     0.697    233.4
2017.0     0.711    231.7
2018.0     0.725    230.1
2019.0     0.740    228.5
2020.0     0.754    227.0
2021.0     0.770    225.6
2022.0     0.785    224.2
2023.0     0.800    222.9
2024.0     0.816    221.6
2025.0     0.832    220.4
2026.0     0.848    219.2
2027.0     0.864    218.0
2028.0     0.880    217.0
2029.0     0.897    215.9
2030.0     0.913    214.9
2031.0     0.929    213.9
2032.0     0.945    212.9
2033.0     0.962    212.0
2034.0     0.978    211.1
2035.0     0.994    210.3
2036.0     1.010    209.4
2037.0     1.026    208.6
2038.0     1.041    207.8
2039.0     1.057    207.1
2040.0     1.072    206.3
2041.0     1.087    205.6
2042.0     1.102    204.9
2043.0     1.117    204.3
2044.0     1.131    203.6
2045.0     1.145    203.0
2046.0     1.159    202.3
2047.0     1.173    201.7
2048.0     1.186    201.1
2049.0     1.199    200.5
2050.0     1.212    199.9
2051.0     1.224    199.4
2052.0     1.236    198.8
2053.0     1.248    198.3
2054.0     1.259    197.8
2055.0     1.270    197.2
2056.0     1.280    196.7
2057.0     1.290    196.2
2058.0     1.300    195.7
2059.0     1.309    195.2
2060.0     1.317    194.7
2061.0     1.325    194.3
2062.0     1.333    193.8
2063.0     1.340    193.3
2064.0     1.346    192.9
2065.0     1.352    192.4
2066.0     1.357    191.9
2067.0     1.362    191.5
2068.0     1.366    191.0
2069.0     1.370    190.6
2070.0     1.373    190.2
2071.0     1.375    189.7
2072.0     1.377    189.3
2073.0     1.378    188.8
2074.0     1.378    188.4
2075.0     1.378    187.9
2076.0     1.377    187.5
2077.0     1.375    187.1
2078.0     1.373    186.6
2079.0     1.370    186.2
2080.0     1.366    185.7
2081.0     1.361    185.3
2082.0     1.356    184.8
2083.0     1.350    184.4
2084.0     1.343    183.9
2085.0     1.335    183.4
2086.0     1.327    183.0
2087.0     1.317    182.5
2088.0     1.307    182.0
2089.0     1.296    181.5
2090.0     1.285    181.0
2091.0     1.272    180.5
2092.0     1.259    180.0
2093.0     1.245    179.5
2094.0     1.230    178.9
2095.0     1.214    178.3
2096.0     1.197    177.8
2097.0     1.180    177.2
2098.0     1.162    176.6
2099.0     1.142    175.9
2100.0     1.123    175.3
2101.0     1.102    174.6
2102.0     1.081    173.9
2103.0     1.059    173.2
2104.0     1.036    172.4
2105.0     1.012    171.6
2106.0     0.988    170.8
2107.0     0.963    169.9
2108.0     0.938    169.0
2109.0     0.912    168.0
2110.0     0.885    167.0
2111.0     0.858    165.9
2112.0     0.831    164.7
2113.0     0.803    163.5
2114.0     0.775    162.1
2115.0     0.746    160.7
2116.0     0.717    159.1
2117.0     0.689    157.4
2118.0     0.660    155.6
2119.0     0.631    153.6
2120.0     0.603    151.4
2121.0     0.574    149.0
2122.0     0.547    146.3
2123.0     0.520    143.4
2124.0     0.494    140.1
2125.0     0.470    136.5
2126.0     0.447    132.5
2127.0     0.426    128.1
2128.0     0.408    123.3
2129.0     0.392    118.1
2130.0     0.379    112.5
2131.0     0.370    106.5
2132.0     0.365    100.3
2133.0     0.364     94.0
2134.0     0.366     87.7
2135.0     0.373     81.6
2136.0     0.384     75.8
2137.0     0.398     70.3
2138.0     0.415     65.2
2139.0     0.434     60.6
2140.0     0.456     56.3
2141.0     0.480     52.5
2142.0     0.505     49.1
2143.0     0.531     45.9
2144.0     0.558     43.1
2145.0     0.586     40.6
2146.0     0.615     38.2
2147.0     0.644     36.1
2148.0     0.673     34.2
2149.0     0.703     32.4
2150.0     0.733     30.8
2151.0     0.762     29.3
2152.0     0.791     27.9
2153.0     0.821     26.7
2154.0     0.850     25.5
2155.0     0.878     24.3
2156.0     0.907     23.3
2157.0     0.935     22.3
2158.0     0.963     21.4
2159.0     0.990     20.5
2160.0     1.017     19.7
2161.0     1.043     18.9
2162.0     1.069     18.1
2163.0     1.094     17.4
2164.0     1.119     16.7
2165.0     1.143     16.1
2166.0     1.167     15.5
2167.0     1.190     14.9
2168.0     1.212     14.3
2169.0     1.234     13.7
2170.0     1.255     13.2
2171.0     1.276     12.7
2172.0     1.296     12.2
2173.0     1.316     11.7
2174.0     1.334     11.2






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 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.


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