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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:10:21

Orbital Elements for CHR37

WDS:	CHR37	WDS ID/Discoverer
P:	3.598	Orbital period (years)
a:	0.0066	Semi-major axis (arcseconds)
i:	120.06	Inclination (degrees)
Ω:	77.87	Longitude of ascending node (degrees)
T:	1972.413	Epoch of periastron passage (year)
e:	0.426	Eccentricity
ω:	303.6	Longitude of periastron (degrees)
Start-Year:	2024.0	Year
End-Year:	2026.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CHR37

Position:	121630.17+330342.5	Epoch-2000 right ascension and declination
WDS-ID:	12165+3304	WDS designation
Discoverer Code:	CHR37	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	106760	HD catalog number
Hipparcos number:	59856	Hipparcos catalog number
V1:	5.00	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:		Equinox
Date:	1991	Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for CHR37

WDS 6th Orbit including measures of CHR37

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

Ephemeris of CHR37

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.008    279.0
-------------------------
2024.0     0.004    336.3
2025.0     0.008    279.0

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.