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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:29:12

Orbital Elements for A1223AB

WDS:	A1223AB	WDS ID/Discoverer
P:	44.046	Orbital period (years)
a:	0.123	Semi-major axis (arcseconds)
i:	160.7	Inclination (degrees)
Ω:	14.8	Longitude of ascending node (degrees)
T:	1972.549	Epoch of periastron passage (year)
e:	0.324	Eccentricity
ω:	154.1	Longitude of periastron (degrees)
Start-Year:	2003.0	Year
End-Year:	2047.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A1223AB

Position:	214554.14+115236.6	Epoch-2000 right ascension and declination
WDS-ID:	21459+1153	WDS designation
Discoverer Code:	A1223AB	Discover designation and components
ADS number:	15300	Aitken Double Star catalog
HD number:	207033	HD catalog number
Hipparcos number:	107461	Hipparcos catalog number
V1:	9.77	Magnitude of the primary
V2:	9.60	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	1998	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for A1223AB

WDS 6th Orbit including measures of A1223AB

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

Ephemeris of A1223AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.114    115.0
-------------------------
2003.0     0.146      1.5
2004.0     0.142    356.2
2005.0     0.137    350.5
2006.0     0.131    344.3
2007.0     0.125    337.6
2008.0     0.119    330.1
2009.0     0.112    321.8
2010.0     0.105    312.5
2011.0     0.099    301.9
2012.0     0.093    289.9
2013.0     0.088    276.4
2014.0     0.084    261.5
2015.0     0.082    245.6
2016.0     0.082    229.2
2017.0     0.083    212.9
2018.0     0.085    197.1
2019.0     0.088    182.3
2020.0     0.091    168.5
2021.0     0.095    155.7
2022.0     0.100    144.1
2023.0     0.104    133.5
2024.0     0.109    123.8
2025.0     0.114    115.0
2026.0     0.120    106.9
2027.0     0.125     99.5
2028.0     0.130     92.7
2029.0     0.134     86.4
2030.0     0.139     80.4
2031.0     0.143     74.9
2032.0     0.147     69.6
2033.0     0.150     64.6
2034.0     0.153     59.8
2035.0     0.156     55.2
2036.0     0.158     50.7
2037.0     0.160     46.4
2038.0     0.161     42.1
2039.0     0.161     37.8
2040.0     0.161     33.6
2041.0     0.161     29.3
2042.0     0.160     25.0
2043.0     0.158     20.7
2044.0     0.156     16.2
2045.0     0.153     11.6
2046.0     0.150      6.8

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.