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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:22:58

Orbital Elements for MCA68AB

WDS:	MCA68AB	WDS ID/Discoverer
P:	25.500	Orbital period (years)
a:	0.28	Semi-major axis (arcseconds)
i:	95.0	Inclination (degrees)
Ω:	300.0	Longitude of ascending node (degrees)
T:	1970.400	Epoch of periastron passage (year)
e:	0.6	Eccentricity
ω:	270.0	Longitude of periastron (degrees)
Start-Year:	2013.0	Year
End-Year:	2037.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for MCA68AB

Position:	213745.10-075115.1	Epoch-2000 right ascension and declination
WDS-ID:	21378-0751	WDS designation
Discoverer Code:	MCA68AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	205767	HD catalog number
Hipparcos number:	106786	Hipparcos catalog number
V1:	4.8	Magnitude of the primary
V2:	7.0	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for MCA68AB