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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:31:43

Orbital Elements for CHR216

WDS:	CHR216	WDS ID/Discoverer
P:	27.600	Orbital period (years)
a:	0.179	Semi-major axis (arcseconds)
i:	103.3	Inclination (degrees)
Ω:	355.6	Longitude of ascending node (degrees)
T:	2010.810	Epoch of periastron passage (year)
e:	0.94	Eccentricity
ω:	244.5	Longitude of periastron (degrees)
Start-Year:	2012.0	Year
End-Year:	2038.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CHR216

Position:	070913.48+190233.9	Epoch-2000 right ascension and declination
WDS-ID:	07092+1903	WDS designation
Discoverer Code:	CHR216	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	54322	HD catalog number
Hipparcos number:	34524	Hipparcos catalog number
V1:	8.79	Magnitude of the primary
V2:	10.20	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2013	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for CHR216

WDS 6th Orbit including measures of CHR216

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

Ephemeris of CHR216

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.164    329.4
-------------------------
2012.0     0.089    347.1
2013.0     0.119    344.1
2014.0     0.138    342.1
2015.0     0.152    340.5
2016.0     0.162    339.2
2017.0     0.170    338.0
2018.0     0.175    336.9
2019.0     0.177    335.9
2020.0     0.179    334.8
2021.0     0.178    333.8
2022.0     0.176    332.8
2023.0     0.173    331.7
2024.0     0.169    330.6
2025.0     0.164    329.4
2026.0     0.157    328.1
2027.0     0.150    326.7
2028.0     0.141    325.2
2029.0     0.132    323.4
2030.0     0.121    321.3
2031.0     0.109    318.9
2032.0     0.097    315.8
2033.0     0.083    311.7
2034.0     0.069    306.0
2035.0     0.054    297.2
2036.0     0.039    281.7
2037.0     0.028    250.9

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.