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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:51:19

Orbital Elements for CHR10AB

WDS:	CHR10AB	WDS ID/Discoverer
P:	8.399	Orbital period (years)
a:	0.055	Semi-major axis (arcseconds)
i:	21.9	Inclination (degrees)
Ω:	195.3	Longitude of ascending node (degrees)
T:	2022.767	Epoch of periastron passage (year)
e:	0.584	Eccentricity
ω:	79.2	Longitude of periastron (degrees)
Start-Year:	2021.0	Year
End-Year:	2029.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CHR10AB

Position:	032703.20+184523.6	Epoch-2000 right ascension and declination
WDS-ID:	03271+1845	WDS designation
Discoverer Code:	CHR10AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	21335	HD catalog number
Hipparcos number:	16077	Hipparcos catalog number
V1:	6.6	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2022	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for CHR10AB

WDS 6th Orbit including measures of CHR10AB

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

Ephemeris of CHR10AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.070     61.6
-------------------------
2021.0     0.061    137.5
2022.0     0.040    176.1
2023.0     0.024    320.0
2024.0     0.052     35.7
2025.0     0.070     61.6
2026.0     0.079     79.1
2027.0     0.081     94.2
2028.0     0.077    109.6

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.