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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 19:13:14

Orbital Elements for A288
WDS: A288 WDS ID/Discoverer
P: 163.200 Orbital period (years)
a: 0.206 Semi-major axis (arcseconds)
i: 30.0 Inclination (degrees)
Ω: 24.5 Longitude of ascending node (degrees)
T: 1979.200 Epoch of periastron passage (year)
e: 0.533 Eccentricity
ω: 138.6 Longitude of periastron (degrees)
Start-Year: 1944.0 Year
End-Year: 2106.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A288
Position: 202308.98+205151.1 Epoch-2000 right ascension and declination
WDS-ID: 20231+2052 WDS designation
Discoverer Code: A288 Discover designation and components
ADS number: 13777 Aitken Double Star catalog
HD number: 194113 HD catalog number
Hipparcos number: 100536 Hipparcos catalog number
V1: 8.72 Magnitude of the primary
V2: 8.98 Magnitude of the secondary
Equinox: Equinox
Date: 1991 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for A288



WDS 6th Orbit including measures of A288

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


Ephemeris of A288
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.237    314.0
-------------------------
1944.0     0.238     27.2
1945.0     0.234     28.4
1946.0     0.230     29.7
1947.0     0.226     31.0
1948.0     0.222     32.4
1949.0     0.218     33.8
1950.0     0.214     35.3
1951.0     0.210     36.8
1952.0     0.205     38.4
1953.0     0.200     40.1
1954.0     0.196     41.8
1955.0     0.191     43.6
1956.0     0.186     45.6
1957.0     0.180     47.6
1958.0     0.175     49.8
1959.0     0.170     52.1
1960.0     0.164     54.6
1961.0     0.158     57.2
1962.0     0.153     60.1
1963.0     0.147     63.1
1964.0     0.141     66.4
1965.0     0.135     70.0
1966.0     0.129     74.0
1967.0     0.123     78.3
1968.0     0.118     83.0
1969.0     0.112     88.2
1970.0     0.107     93.9
1971.0     0.102    100.2
1972.0     0.098    107.0
1973.0     0.094    114.4
1974.0     0.092    122.4
1975.0     0.090    130.7
1976.0     0.089    139.4
1977.0     0.088    148.2
1978.0     0.089    156.9
1979.0     0.090    165.5
1980.0     0.092    173.7
1981.0     0.095    181.5
1982.0     0.098    188.9
1983.0     0.101    195.8
1984.0     0.104    202.3
1985.0     0.108    208.5
1986.0     0.111    214.2
1987.0     0.114    219.6
1988.0     0.118    224.7
1989.0     0.121    229.6
1990.0     0.124    234.1
1991.0     0.128    238.4
1992.0     0.131    242.5
1993.0     0.134    246.4
1994.0     0.138    250.1
1995.0     0.141    253.7
1996.0     0.145    257.0
1997.0     0.148    260.2
1998.0     0.151    263.3
1999.0     0.155    266.2
2000.0     0.158    269.0
2001.0     0.162    271.7
2002.0     0.165    274.3
2003.0     0.168    276.7
2004.0     0.172    279.1
2005.0     0.175    281.4
2006.0     0.179    283.6
2007.0     0.182    285.7
2008.0     0.185    287.7
2009.0     0.189    289.7
2010.0     0.192    291.6
2011.0     0.195    293.4
2012.0     0.199    295.2
2013.0     0.202    296.9
2014.0     0.205    298.6
2015.0     0.208    300.2
2016.0     0.211    301.7
2017.0     0.214    303.2
2018.0     0.217    304.7
2019.0     0.220    306.1
2020.0     0.223    307.5
2021.0     0.226    308.9
2022.0     0.229    310.2
2023.0     0.232    311.5
2024.0     0.235    312.8
2025.0     0.237    314.0
2026.0     0.240    315.2
2027.0     0.243    316.4
2028.0     0.245    317.5
2029.0     0.248    318.7
2030.0     0.250    319.8
2031.0     0.253    320.9
2032.0     0.255    321.9
2033.0     0.257    323.0
2034.0     0.260    324.0
2035.0     0.262    325.0
2036.0     0.264    326.0
2037.0     0.266    327.0
2038.0     0.268    327.9
2039.0     0.270    328.9
2040.0     0.272    329.8
2041.0     0.274    330.7
2042.0     0.276    331.6
2043.0     0.277    332.5
2044.0     0.279    333.4
2045.0     0.281    334.3
2046.0     0.282    335.2
2047.0     0.284    336.0
2048.0     0.285    336.9
2049.0     0.287    337.7
2050.0     0.288    338.5
2051.0     0.289    339.4
2052.0     0.290    340.2
2053.0     0.292    341.0
2054.0     0.293    341.8
2055.0     0.294    342.6
2056.0     0.294    343.4
2057.0     0.295    344.2
2058.0     0.296    345.0
2059.0     0.297    345.7
2060.0     0.298    346.5
2061.0     0.298    347.3
2062.0     0.299    348.1
2063.0     0.299    348.8
2064.0     0.300    349.6
2065.0     0.300    350.4
2066.0     0.300    351.1
2067.0     0.300    351.9
2068.0     0.300    352.6
2069.0     0.300    353.4
2070.0     0.300    354.2
2071.0     0.300    354.9
2072.0     0.300    355.7
2073.0     0.300    356.4
2074.0     0.299    357.2
2075.0     0.299    358.0
2076.0     0.299    358.7
2077.0     0.298    359.5
2078.0     0.297      0.3
2079.0     0.297      1.1
2080.0     0.296      1.9
2081.0     0.295      2.6
2082.0     0.294      3.4
2083.0     0.293      4.2
2084.0     0.292      5.0
2085.0     0.290      5.8
2086.0     0.289      6.7
2087.0     0.288      7.5
2088.0     0.286      8.3
2089.0     0.285      9.2
2090.0     0.283     10.0
2091.0     0.281     10.9
2092.0     0.279     11.8
2093.0     0.277     12.6
2094.0     0.275     13.5
2095.0     0.273     14.5
2096.0     0.271     15.4
2097.0     0.268     16.3
2098.0     0.266     17.3
2099.0     0.263     18.3
2100.0     0.261     19.3
2101.0     0.258     20.3
2102.0     0.255     21.3
2103.0     0.252     22.4
2104.0     0.249     23.5
2105.0     0.245     24.6



 

Disclaimer
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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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