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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:22:26

Orbital Elements for FIN93AA,AB

WDS:	FIN93AA,AB	WDS ID/Discoverer
P:	78.100	Orbital period (years)
a:	0.313	Semi-major axis (arcseconds)
i:	69.9	Inclination (degrees)
Ω:	164.6	Longitude of ascending node (degrees)
T:	2042.890	Epoch of periastron passage (year)
e:	0.55	Eccentricity
ω:	117.2	Longitude of periastron (degrees)
Start-Year:	1986.0	Year
End-Year:	2064.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN93AA,AB

Position:	055335.81-564013.9	Epoch-2000 right ascension and declination
WDS-ID:	05536-5640	WDS designation
Discoverer Code:	FIN93AA,AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	40129	HD catalog number
Hipparcos number:	27855	Hipparcos catalog number
V1:	9.21	Magnitude of the primary
V2:	9.35	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2018	Date of last observation
Orbit grade:	5	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for FIN93AA,AB

WDS 6th Orbit including measures of FIN93AA,AB

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

Ephemeris of FIN93AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.351    156.4
-------------------------
1986.0     0.144     60.8
1987.0     0.145     67.0
1988.0     0.146     73.2
1989.0     0.149     79.1
1990.0     0.153     84.8
1991.0     0.158     90.1
1992.0     0.165     95.1
1993.0     0.171     99.7
1994.0     0.179    103.9
1995.0     0.187    107.8
1996.0     0.196    111.3
1997.0     0.204    114.6
1998.0     0.213    117.5
1999.0     0.223    120.3
2000.0     0.232    122.8
2001.0     0.241    125.1
2002.0     0.250    127.3
2003.0     0.259    129.3
2004.0     0.268    131.1
2005.0     0.277    132.9
2006.0     0.285    134.5
2007.0     0.294    136.1
2008.0     0.301    137.5
2009.0     0.309    138.9
2010.0     0.316    140.2
2011.0     0.323    141.5
2012.0     0.329    142.7
2013.0     0.335    143.9
2014.0     0.340    145.0
2015.0     0.345    146.1
2016.0     0.349    147.2
2017.0     0.352    148.3
2018.0     0.355    149.3
2019.0     0.357    150.3
2020.0     0.358    151.3
2021.0     0.359    152.3
2022.0     0.359    153.4
2023.0     0.357    154.4
2024.0     0.355    155.4
2025.0     0.351    156.4
2026.0     0.347    157.5
2027.0     0.341    158.6
2028.0     0.333    159.7
2029.0     0.324    160.9
2030.0     0.314    162.2
2031.0     0.301    163.6
2032.0     0.287    165.1
2033.0     0.271    166.7
2034.0     0.252    168.6
2035.0     0.230    170.9
2036.0     0.205    173.6
2037.0     0.178    177.1
2038.0     0.147    182.1
2039.0     0.114    189.8
2040.0     0.081    203.8
2041.0     0.055    234.4
2042.0     0.055    282.8
2043.0     0.081    313.1
2044.0     0.112    327.4
2045.0     0.140    335.6
2046.0     0.162    341.3
2047.0     0.178    345.7
2048.0     0.189    349.6
2049.0     0.195    353.0
2050.0     0.198    356.4
2051.0     0.199    359.7
2052.0     0.197      3.0
2053.0     0.193      6.4
2054.0     0.189      9.9
2055.0     0.183     13.7
2056.0     0.178     17.7
2057.0     0.172     21.9
2058.0     0.166     26.5
2059.0     0.160     31.3
2060.0     0.155     36.6
2061.0     0.151     42.1
2062.0     0.148     47.9
2063.0     0.145     54.0

Disclaimer

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.