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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:14:49

Orbital Elements for BU341

WDS:	BU341	WDS ID/Discoverer
P:	58.980	Orbital period (years)
a:	0.718	Semi-major axis (arcseconds)
i:	92.8	Inclination (degrees)
Ω:	136.2	Longitude of ascending node (degrees)
T:	1964.100	Epoch of periastron passage (year)
e:	0.988	Eccentricity
ω:	234.5	Longitude of periastron (degrees)
Start-Year:	1996.0	Year
End-Year:	2054.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BU341

Position:	130346.09-203500.3	Epoch-2000 right ascension and declination
WDS-ID:	13038-2035	WDS designation
Discoverer Code:	BU341	Discover designation and components
ADS number:	8757	Aitken Double Star catalog
HD number:	113415	HD catalog number
Hipparcos number:	63738	Hipparcos catalog number
V1:	6.25	Magnitude of the primary
V2:	6.51	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2009	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for BU341

WDS 6th Orbit including measures of BU341

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

Ephemeris of BU341

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.292    133.9
-------------------------
1996.0     0.816    132.2
1997.0     0.807    132.2
1998.0     0.798    132.1
1999.0     0.787    132.1
2000.0     0.775    132.0
2001.0     0.762    132.0
2002.0     0.748    132.0
2003.0     0.732    131.9
2004.0     0.715    131.9
2005.0     0.697    131.8
2006.0     0.677    131.8
2007.0     0.656    131.7
2008.0     0.634    131.7
2009.0     0.610    131.6
2010.0     0.584    131.5
2011.0     0.557    131.5
2012.0     0.528    131.4
2013.0     0.497    131.3
2014.0     0.464    131.2
2015.0     0.428    131.1
2016.0     0.390    130.9
2017.0     0.350    130.8
2018.0     0.306    130.5
2019.0     0.257    130.2
2020.0     0.204    129.8
2021.0     0.145    129.0
2022.0     0.075    126.9
2023.0     0.013    325.0
2024.0     0.194    134.3
2025.0     0.292    133.9
2026.0     0.366    133.7
2027.0     0.426    133.5
2028.0     0.477    133.4
2029.0     0.522    133.3
2030.0     0.562    133.2
2031.0     0.597    133.2
2032.0     0.629    133.1
2033.0     0.657    133.0
2034.0     0.683    133.0
2035.0     0.706    132.9
2036.0     0.727    132.9
2037.0     0.746    132.8
2038.0     0.762    132.8
2039.0     0.777    132.8
2040.0     0.790    132.7
2041.0     0.802    132.7
2042.0     0.811    132.6
2043.0     0.820    132.6
2044.0     0.826    132.6
2045.0     0.832    132.5
2046.0     0.836    132.5
2047.0     0.839    132.5
2048.0     0.840    132.4
2049.0     0.840    132.4
2050.0     0.839    132.4
2051.0     0.837    132.3
2052.0     0.833    132.3
2053.0     0.829    132.3

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.