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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:32:02

Orbital Elements for MKT3

WDS:	MKT3	WDS ID/Discoverer
P:	0.293	Orbital period (years)
a:	0.036	Semi-major axis (arcseconds)
i:	47.5	Inclination (degrees)
Ω:	83.3	Longitude of ascending node (degrees)
T:	1981.559	Epoch of periastron passage (year)
e:	0.8801	Eccentricity
ω:	204.9	Longitude of periastron (degrees)
Start-Year:	2025.0	Year
End-Year:	2025.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for MKT3

Position:	015438.35+204829.9	Epoch-2000 right ascension and declination
WDS-ID:	01546+2049	WDS designation
Discoverer Code:	MKT3	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	11636	HD catalog number
Hipparcos number:	8903	Hipparcos catalog number
V1:	2.6 r	Magnitude of the primary
V2:	5.2 r	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for MKT3

WDS 6th Orbit including measures of MKT3

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

Ephemeris of MKT3

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.059     92.9
-------------------------

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.