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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:57:00

Orbital Elements for CHR14AA,AB

WDS:	CHR14AA,AB	WDS ID/Discoverer
P:	43.397	Orbital period (years)
a:	0.423	Semi-major axis (arcseconds)
i:	77.5	Inclination (degrees)
Ω:	335.9	Longitude of ascending node (degrees)
T:	1993.282	Epoch of periastron passage (year)
e:	0.925	Eccentricity
ω:	79.0	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 CHR14AA,AB

Position:	041156.22+233810.7	Epoch-2000 right ascension and declination
WDS-ID:	04119+2338	WDS designation
Discoverer Code:	CHR14AA,AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	284163	HD catalog number
Hipparcos number:	19591	Hipparcos catalog number
V1:	9.68	Magnitude of the primary
V2:	11.79	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2022	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for CHR14AA,AB

WDS 6th Orbit including measures of CHR14AA,AB

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

Ephemeris of CHR14AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.152    238.7
-------------------------
2004.0     0.282    184.6
2005.0     0.282    186.1
2006.0     0.280    187.7
2007.0     0.278    189.2
2008.0     0.274    190.8
2009.0     0.270    192.5
2010.0     0.265    194.2
2011.0     0.259    196.0
2012.0     0.253    197.8
2013.0     0.247    199.8
2014.0     0.240    201.8
2015.0     0.232    204.0
2016.0     0.225    206.4
2017.0     0.217    208.9
2018.0     0.209    211.6
2019.0     0.200    214.5
2020.0     0.192    217.7
2021.0     0.183    221.1
2022.0     0.175    224.9
2023.0     0.167    229.1
2024.0     0.159    233.7
2025.0     0.152    238.7
2026.0     0.145    244.2
2027.0     0.139    250.3
2028.0     0.134    256.8
2029.0     0.130    263.8
2030.0     0.127    271.2
2031.0     0.124    278.9
2032.0     0.123    286.9
2033.0     0.121    295.1
2034.0     0.118    303.7
2035.0     0.111    312.9
2036.0     0.089    324.6
2037.0     0.069    155.1
2038.0     0.156    164.9
2039.0     0.197    168.8
2040.0     0.224    171.6
2041.0     0.243    173.8
2042.0     0.256    175.8
2043.0     0.266    177.6
2044.0     0.273    179.3
2045.0     0.278    180.9

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.