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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:24:58

Orbital Elements for FIN318AA,AB
WDS: FIN318AA,AB WDS ID/Discoverer
P: 141.000 Orbital period (years)
a: 0.216 Semi-major axis (arcseconds)
i: 122.0 Inclination (degrees)
Ω: 189.9 Longitude of ascending node (degrees)
T: 1973.000 Epoch of periastron passage (year)
e: 0.75 Eccentricity
ω: 272.8 Longitude of periastron (degrees)
Start-Year: 1955.0 Year
End-Year: 2095.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN318AA,AB
Position: 143720.14-460800.3 Epoch-2000 right ascension and declination
WDS-ID: 14373-4608 WDS designation
Discoverer Code: FIN318AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 128266 HD catalog number
Hipparcos number: 71500 Hipparcos catalog number
V1: 6.22 Magnitude of the primary
V2: 6.50 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2013 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for FIN318AA,AB



WDS 6th Orbit including measures of FIN318AA,AB

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


Ephemeris of FIN318AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.195    114.3
-------------------------
1955.0     0.170     37.9
1956.0     0.167     36.4
1957.0     0.164     34.9
1958.0     0.160     33.3
1959.0     0.156     31.6
1960.0     0.152     29.9
1961.0     0.147     28.0
1962.0     0.142     26.0
1963.0     0.136     23.8
1964.0     0.129     21.5
1965.0     0.122     18.8
1966.0     0.114     15.8
1967.0     0.104     12.3
1968.0     0.093      8.0
1969.0     0.081      2.5
1970.0     0.067    354.8
1971.0     0.051    342.6
1972.0     0.035    319.2
1973.0     0.029    274.6
1974.0     0.038    233.6
1975.0     0.054    212.9
1976.0     0.069    201.6
1977.0     0.082    194.2
1978.0     0.094    188.8
1979.0     0.103    184.5
1980.0     0.112    180.9
1981.0     0.119    177.8
1982.0     0.126    175.0
1983.0     0.131    172.4
1984.0     0.136    170.1
1985.0     0.141    167.9
1986.0     0.145    165.9
1987.0     0.149    164.0
1988.0     0.152    162.1
1989.0     0.155    160.3
1990.0     0.158    158.6
1991.0     0.161    157.0
1992.0     0.163    155.4
1993.0     0.165    153.9
1994.0     0.167    152.4
1995.0     0.169    150.9
1996.0     0.171    149.4
1997.0     0.173    148.0
1998.0     0.174    146.6
1999.0     0.176    145.3
2000.0     0.177    143.9
2001.0     0.178    142.6
2002.0     0.180    141.3
2003.0     0.181    140.0
2004.0     0.182    138.8
2005.0     0.183    137.5
2006.0     0.184    136.3
2007.0     0.185    135.0
2008.0     0.185    133.8
2009.0     0.186    132.6
2010.0     0.187    131.4
2011.0     0.188    130.2
2012.0     0.188    129.0
2013.0     0.189    127.9
2014.0     0.190    126.7
2015.0     0.190    125.5
2016.0     0.191    124.4
2017.0     0.191    123.2
2018.0     0.192    122.1
2019.0     0.192    121.0
2020.0     0.193    119.8
2021.0     0.193    118.7
2022.0     0.194    117.6
2023.0     0.194    116.5
2024.0     0.195    115.4
2025.0     0.195    114.3
2026.0     0.195    113.2
2027.0     0.196    112.1
2028.0     0.196    111.0
2029.0     0.197    109.9
2030.0     0.197    108.9
2031.0     0.197    107.8
2032.0     0.198    106.7
2033.0     0.198    105.6
2034.0     0.198    104.6
2035.0     0.199    103.5
2036.0     0.199    102.5
2037.0     0.199    101.4
2038.0     0.199    100.4
2039.0     0.200     99.3
2040.0     0.200     98.3
2041.0     0.200     97.2
2042.0     0.201     96.2
2043.0     0.201     95.1
2044.0     0.201     94.1
2045.0     0.201     93.1
2046.0     0.201     92.0
2047.0     0.202     91.0
2048.0     0.202     90.0
2049.0     0.202     89.0
2050.0     0.202     88.0
2051.0     0.202     86.9
2052.0     0.203     85.9
2053.0     0.203     84.9
2054.0     0.203     83.9
2055.0     0.203     82.9
2056.0     0.203     81.9
2057.0     0.203     80.8
2058.0     0.203     79.8
2059.0     0.203     78.8
2060.0     0.203     77.8
2061.0     0.203     76.8
2062.0     0.203     75.8
2063.0     0.203     74.8
2064.0     0.203     73.8
2065.0     0.203     72.8
2066.0     0.203     71.7
2067.0     0.203     70.7
2068.0     0.203     69.7
2069.0     0.202     68.7
2070.0     0.202     67.7
2071.0     0.202     66.6
2072.0     0.201     65.6
2073.0     0.201     64.6
2074.0     0.201     63.5
2075.0     0.200     62.5
2076.0     0.200     61.5
2077.0     0.199     60.4
2078.0     0.198     59.4
2079.0     0.198     58.3
2080.0     0.197     57.2
2081.0     0.196     56.1
2082.0     0.195     55.0
2083.0     0.194     53.9
2084.0     0.193     52.8
2085.0     0.192     51.7
2086.0     0.191     50.6
2087.0     0.189     49.4
2088.0     0.188     48.2
2089.0     0.186     47.0
2090.0     0.184     45.8
2091.0     0.182     44.6
2092.0     0.180     43.3
2093.0     0.178     42.0
2094.0     0.176     40.7






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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