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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:48:22

Orbital Elements for CHR63

WDS:	CHR63	WDS ID/Discoverer
P:	10.420	Orbital period (years)
a:	0.127	Semi-major axis (arcseconds)
i:	100.6	Inclination (degrees)
Ω:	72.4	Longitude of ascending node (degrees)
T:	1995.510	Epoch of periastron passage (year)
e:	0.753	Eccentricity
ω:	259.8	Longitude of periastron (degrees)
Start-Year:	2020.0	Year
End-Year:	2030.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CHR63

Position:	173731.10+241835.9	Epoch-2000 right ascension and declination
WDS-ID:	17375+2419	WDS designation
Discoverer Code:	CHR63	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	160181	HD catalog number
Hipparcos number:	86254	Hipparcos catalog number
V1:	5.9	Magnitude of the primary
V2:	7.3	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2008	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for CHR63

WDS 6th Orbit including measures of CHR63

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

Ephemeris of CHR63

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.063    275.9
-------------------------
2020.0     0.087     48.2
2021.0     0.067     36.7
2022.0     0.048     15.9
2023.0     0.039    337.8
2024.0     0.047    298.5
2025.0     0.063    275.9
2026.0     0.068    261.2
2027.0     0.037     78.9
2028.0     0.098     64.9
2029.0     0.104     58.5

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.