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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:35:12

Orbital Elements for BU1092AB

WDS:	BU1092AB	WDS ID/Discoverer
P:	48.930	Orbital period (years)
a:	0.215	Semi-major axis (arcseconds)
i:	66.4	Inclination (degrees)
Ω:	45.5	Longitude of ascending node (degrees)
T:	1994.480	Epoch of periastron passage (year)
e:	0.742	Eccentricity
ω:	349.3	Longitude of periastron (degrees)
Start-Year:	2001.0	Year
End-Year:	2049.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BU1092AB

Position:	223608.65+725251.1	Epoch-2000 right ascension and declination
WDS-ID:	22361+7253	WDS designation
Discoverer Code:	BU1092AB	Discover designation and components
ADS number:	16111	Aitken Double Star catalog
HD number:	214511	HD catalog number
Hipparcos number:	111570	Hipparcos catalog number
V1:	8.3	Magnitude of the primary
V2:	8.3	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2008	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for BU1092AB

WDS 6th Orbit including measures of BU1092AB

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

Ephemeris of BU1092AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.358    225.3
-------------------------
2001.0     0.149    198.0
2002.0     0.173    201.5
2003.0     0.195    204.2
2004.0     0.216    206.4
2005.0     0.235    208.2
2006.0     0.253    209.7
2007.0     0.269    211.1
2008.0     0.284    212.3
2009.0     0.297    213.3
2010.0     0.310    214.3
2011.0     0.321    215.3
2012.0     0.331    216.1
2013.0     0.340    216.9
2014.0     0.347    217.7
2015.0     0.354    218.4
2016.0     0.359    219.2
2017.0     0.364    219.9
2018.0     0.367    220.5
2019.0     0.369    221.2
2020.0     0.370    221.9
2021.0     0.370    222.5
2022.0     0.369    223.2
2023.0     0.367    223.9
2024.0     0.363    224.6
2025.0     0.358    225.3
2026.0     0.353    226.0
2027.0     0.345    226.7
2028.0     0.337    227.5
2029.0     0.327    228.4
2030.0     0.316    229.2
2031.0     0.303    230.2
2032.0     0.289    231.2
2033.0     0.273    232.4
2034.0     0.255    233.7
2035.0     0.235    235.2
2036.0     0.212    237.1
2037.0     0.188    239.3
2038.0     0.160    242.4
2039.0     0.130    246.7
2040.0     0.096    254.0
2041.0     0.060    269.7
2042.0     0.033    319.8
2043.0     0.047     27.0
2044.0     0.055     58.5
2045.0     0.043     97.2
2046.0     0.048    145.4
2047.0     0.071    172.8
2048.0     0.098    185.9

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.