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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:23:57

Orbital Elements for A2069

WDS:	A2069	WDS ID/Discoverer
P:	42.280	Orbital period (years)
a:	0.2	Semi-major axis (arcseconds)
i:	126.2	Inclination (degrees)
Ω:	54.4	Longitude of ascending node (degrees)
T:	1977.480	Epoch of periastron passage (year)
e:	0.403	Eccentricity
ω:	27.3	Longitude of periastron (degrees)
Start-Year:	2004.0	Year
End-Year:	2046.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A2069

Position:	142643.88+162451.3	Epoch-2000 right ascension and declination
WDS-ID:	14267+1625	WDS designation
Discoverer Code:	A2069	Discover designation and components
ADS number:	9264	Aitken Double Star catalog
HD number:	126695	HD catalog number
Hipparcos number:	70619	Hipparcos catalog number
V1:	8.78	Magnitude of the primary
V2:	9.36	Magnitude of the secondary
Equinox:		Equinox
Date:	1999	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for A2069

WDS 6th Orbit including measures of A2069

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

Ephemeris of A2069

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.116    284.0
-------------------------
2004.0     0.212    199.9
2005.0     0.199    195.6
2006.0     0.186    190.6
2007.0     0.172    184.8
2008.0     0.159    178.1
2009.0     0.146    170.2
2010.0     0.134    160.7
2011.0     0.125    149.7
2012.0     0.118    137.1
2013.0     0.115    123.5
2014.0     0.116    109.6
2015.0     0.119     96.1
2016.0     0.123     83.5
2017.0     0.126     71.7
2018.0     0.126     60.1
2019.0     0.119     48.0
2020.0     0.108     33.7
2021.0     0.093     15.4
2022.0     0.083    351.3
2023.0     0.084    324.1
2024.0     0.096    300.7
2025.0     0.116    284.0
2026.0     0.138    272.4
2027.0     0.159    264.0
2028.0     0.180    257.6
2029.0     0.199    252.5
2030.0     0.215    248.2
2031.0     0.229    244.5
2032.0     0.241    241.2
2033.0     0.251    238.1
2034.0     0.259    235.3
2035.0     0.265    232.6
2036.0     0.268    230.0
2037.0     0.270    227.5
2038.0     0.270    225.0
2039.0     0.268    222.4
2040.0     0.265    219.8
2041.0     0.260    217.2
2042.0     0.254    214.4
2043.0     0.246    211.4
2044.0     0.237    208.3
2045.0     0.226    204.8

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.