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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:27:45

Orbital Elements for CHR196

WDS:	CHR196	WDS ID/Discoverer
P:	44.700	Orbital period (years)
a:	0.158	Semi-major axis (arcseconds)
i:	101.9	Inclination (degrees)
Ω:	153.3	Longitude of ascending node (degrees)
T:	2023.000	Epoch of periastron passage (year)
e:	0.95	Eccentricity
ω:	61.7	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 CHR196

Position:	011942.79+120844.9	Epoch-2000 right ascension and declination
WDS-ID:	01197+1209	WDS designation
Discoverer Code:	CHR196	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	8018	HD catalog number
Hipparcos number:	6216	Hipparcos catalog number
V1:	8.67	Magnitude of the primary
V2:	9.25	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2018	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for CHR196

WDS 6th Orbit including measures of CHR196

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

Ephemeris of CHR196

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.081    325.4
-------------------------
2003.0     0.149    311.0
2004.0     0.145    310.4
2005.0     0.141    309.8
2006.0     0.136    309.1
2007.0     0.131    308.4
2008.0     0.125    307.6
2009.0     0.119    306.7
2010.0     0.113    305.8
2011.0     0.107    304.7
2012.0     0.099    303.5
2013.0     0.092    302.1
2014.0     0.084    300.4
2015.0     0.076    298.4
2016.0     0.067    295.8
2017.0     0.058    292.5
2018.0     0.048    287.8
2019.0     0.038    280.8
2020.0     0.028    268.9
2021.0     0.020    245.5
2022.0     0.016    202.4
2023.0     0.004    132.3
2024.0     0.056    328.2
2025.0     0.081    325.4
2026.0     0.098    323.8
2027.0     0.112    322.6
2028.0     0.123    321.7
2029.0     0.132    320.9
2030.0     0.139    320.2
2031.0     0.146    319.6
2032.0     0.151    319.0
2033.0     0.155    318.4
2034.0     0.158    317.9
2035.0     0.161    317.4
2036.0     0.163    316.9
2037.0     0.164    316.4
2038.0     0.165    315.9
2039.0     0.166    315.5
2040.0     0.165    315.0
2041.0     0.165    314.5
2042.0     0.163    314.0
2043.0     0.162    313.5
2044.0     0.160    313.0
2045.0     0.157    312.5
2046.0     0.155    312.0

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.