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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:23:09

Orbital Elements for A1102
WDS: A1102 WDS ID/Discoverer
P: 243.710 Orbital period (years)
a: 0.367 Semi-major axis (arcseconds)
i: 135.4 Inclination (degrees)
Ω: 259.5 Longitude of ascending node (degrees)
T: 1926.310 Epoch of periastron passage (year)
e: 0.355 Eccentricity
ω: 23.6 Longitude of periastron (degrees)
Start-Year: 1904.0 Year
End-Year: 2146.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A1102
Position: 141752.83+691403.5 Epoch-2000 right ascension and declination
WDS-ID: 14179+6914 WDS designation
Discoverer Code: A1102 Discover designation and components
ADS number: 9220 Aitken Double Star catalog
HD number: 125725 HD catalog number
Hipparcos number: 69870 Hipparcos catalog number
V1: 9.33 Magnitude of the primary
V2: 8.65 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for A1102



WDS 6th Orbit including measures of A1102

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


Ephemeris of A1102
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.483     75.3
-------------------------
1904.0     0.247    292.3
1905.0     0.247    290.2
1906.0     0.248    288.0
1907.0     0.248    285.8
1908.0     0.248    283.7
1909.0     0.248    281.5
1910.0     0.248    279.4
1911.0     0.248    277.2
1912.0     0.248    275.1
1913.0     0.247    272.9
1914.0     0.247    270.7
1915.0     0.246    268.6
1916.0     0.246    266.4
1917.0     0.245    264.2
1918.0     0.243    262.0
1919.0     0.242    259.7
1920.0     0.241    257.4
1921.0     0.239    255.1
1922.0     0.237    252.8
1923.0     0.235    250.4
1924.0     0.233    248.0
1925.0     0.230    245.5
1926.0     0.228    243.0
1927.0     0.225    240.4
1928.0     0.223    237.8
1929.0     0.220    235.1
1930.0     0.217    232.3
1931.0     0.214    229.5
1932.0     0.212    226.6
1933.0     0.209    223.6
1934.0     0.206    220.5
1935.0     0.204    217.3
1936.0     0.201    214.1
1937.0     0.199    210.8
1938.0     0.197    207.4
1939.0     0.196    204.0
1940.0     0.195    200.5
1941.0     0.194    197.0
1942.0     0.193    193.5
1943.0     0.193    189.9
1944.0     0.193    186.4
1945.0     0.194    182.8
1946.0     0.195    179.3
1947.0     0.196    175.9
1948.0     0.198    172.4
1949.0     0.200    169.1
1950.0     0.203    165.8
1951.0     0.206    162.7
1952.0     0.209    159.6
1953.0     0.213    156.6
1954.0     0.216    153.7
1955.0     0.220    150.9
1956.0     0.225    148.3
1957.0     0.229    145.7
1958.0     0.234    143.2
1959.0     0.239    140.9
1960.0     0.244    138.6
1961.0     0.249    136.4
1962.0     0.254    134.3
1963.0     0.260    132.3
1964.0     0.265    130.4
1965.0     0.271    128.6
1966.0     0.276    126.8
1967.0     0.282    125.1
1968.0     0.287    123.5
1969.0     0.293    121.9
1970.0     0.298    120.4
1971.0     0.304    118.9
1972.0     0.309    117.5
1973.0     0.315    116.1
1974.0     0.320    114.8
1975.0     0.326    113.6
1976.0     0.331    112.3
1977.0     0.336    111.1
1978.0     0.342    110.0
1979.0     0.347    108.9
1980.0     0.352    107.8
1981.0     0.357    106.7
1982.0     0.362    105.7
1983.0     0.366    104.7
1984.0     0.371    103.7
1985.0     0.376    102.8
1986.0     0.380    101.9
1987.0     0.385    101.0
1988.0     0.389    100.1
1989.0     0.394     99.2
1990.0     0.398     98.4
1991.0     0.402     97.5
1992.0     0.406     96.7
1993.0     0.410     95.9
1994.0     0.414     95.1
1995.0     0.417     94.4
1996.0     0.421     93.6
1997.0     0.425     92.9
1998.0     0.428     92.2
1999.0     0.431     91.4
2000.0     0.435     90.7
2001.0     0.438     90.0
2002.0     0.441     89.3
2003.0     0.444     88.7
2004.0     0.447     88.0
2005.0     0.449     87.3
2006.0     0.452     86.7
2007.0     0.454     86.0
2008.0     0.457     85.4
2009.0     0.459     84.8
2010.0     0.461     84.1
2011.0     0.464     83.5
2012.0     0.466     82.9
2013.0     0.468     82.3
2014.0     0.469     81.7
2015.0     0.471     81.1
2016.0     0.473     80.5
2017.0     0.474     79.9
2018.0     0.476     79.3
2019.0     0.477     78.8
2020.0     0.478     78.2
2021.0     0.480     77.6
2022.0     0.481     77.0
2023.0     0.482     76.4
2024.0     0.483     75.9
2025.0     0.483     75.3
2026.0     0.484     74.7
2027.0     0.485     74.2
2028.0     0.485     73.6
2029.0     0.486     73.1
2030.0     0.486     72.5
2031.0     0.486     71.9
2032.0     0.486     71.4
2033.0     0.486     70.8
2034.0     0.486     70.3
2035.0     0.486     69.7
2036.0     0.486     69.1
2037.0     0.486     68.6
2038.0     0.486     68.0
2039.0     0.485     67.5
2040.0     0.485     66.9
2041.0     0.484     66.3
2042.0     0.483     65.8
2043.0     0.483     65.2
2044.0     0.482     64.6
2045.0     0.481     64.0
2046.0     0.480     63.5
2047.0     0.479     62.9
2048.0     0.477     62.3
2049.0     0.476     61.7
2050.0     0.475     61.1
2051.0     0.473     60.6
2052.0     0.472     60.0
2053.0     0.470     59.4
2054.0     0.469     58.8
2055.0     0.467     58.2
2056.0     0.465     57.6
2057.0     0.463     56.9
2058.0     0.461     56.3
2059.0     0.459     55.7
2060.0     0.457     55.1
2061.0     0.455     54.4
2062.0     0.453     53.8
2063.0     0.451     53.1
2064.0     0.448     52.5
2065.0     0.446     51.8
2066.0     0.444     51.2
2067.0     0.441     50.5
2068.0     0.438     49.8
2069.0     0.436     49.1
2070.0     0.433     48.4
2071.0     0.430     47.7
2072.0     0.427     47.0
2073.0     0.425     46.2
2074.0     0.422     45.5
2075.0     0.419     44.7
2076.0     0.416     44.0
2077.0     0.413     43.2
2078.0     0.409     42.4
2079.0     0.406     41.6
2080.0     0.403     40.8
2081.0     0.400     40.0
2082.0     0.396     39.2
2083.0     0.393     38.3
2084.0     0.390     37.5
2085.0     0.386     36.6
2086.0     0.383     35.7
2087.0     0.379     34.8
2088.0     0.376     33.8
2089.0     0.372     32.9
2090.0     0.369     31.9
2091.0     0.365     30.9
2092.0     0.361     29.9
2093.0     0.358     28.9
2094.0     0.354     27.9
2095.0     0.351     26.8
2096.0     0.347     25.7
2097.0     0.343     24.6
2098.0     0.340     23.5
2099.0     0.336     22.3
2100.0     0.332     21.1
2101.0     0.329     19.9
2102.0     0.325     18.7
2103.0     0.321     17.4
2104.0     0.318     16.1
2105.0     0.314     14.8
2106.0     0.311     13.4
2107.0     0.307     12.0
2108.0     0.304     10.6
2109.0     0.301      9.2
2110.0     0.297      7.7
2111.0     0.294      6.2
2112.0     0.291      4.6
2113.0     0.288      3.0
2114.0     0.285      1.4
2115.0     0.282    359.8
2116.0     0.279    358.1
2117.0     0.276    356.3
2118.0     0.273    354.6
2119.0     0.271    352.8
2120.0     0.268    351.0
2121.0     0.266    349.1
2122.0     0.263    347.2
2123.0     0.261    345.3
2124.0     0.259    343.3
2125.0     0.257    341.4
2126.0     0.256    339.3
2127.0     0.254    337.3
2128.0     0.253    335.2
2129.0     0.251    333.2
2130.0     0.250    331.0
2131.0     0.249    328.9
2132.0     0.248    326.8
2133.0     0.247    324.6
2134.0     0.247    322.4
2135.0     0.246    320.3
2136.0     0.246    318.1
2137.0     0.245    315.9
2138.0     0.245    313.7
2139.0     0.245    311.4
2140.0     0.245    309.2
2141.0     0.245    307.0
2142.0     0.245    304.8
2143.0     0.245    302.6
2144.0     0.246    300.4
2145.0     0.246    298.2






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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