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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:00:45

Orbital Elements for G44-45

WDS:	G44-45	WDS ID/Discoverer
P:	5.040	Orbital period (years)
a:	0.0296	Semi-major axis (arcseconds)
i:	143.5	Inclination (degrees)
Ω:	221.2	Longitude of ascending node (degrees)
T:	1984.220	Epoch of periastron passage (year)
e:	0.16	Eccentricity
ω:	285.0	Longitude of periastron (degrees)
Start-Year:	2023.0	Year
End-Year:	2027.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for G44-45

Position:	105324.02+094422.5	Epoch-2000 right ascension and declination
WDS-ID:	10534+0944	WDS designation
Discoverer Code:	G44-45	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	53238	Hipparcos catalog number
V1:	10.16	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:		Equinox
Date:	1992	Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for G44-45

WDS 6th Orbit including measures of G44-45

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

Ephemeris of G44-45

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.025    246.7
-------------------------
2023.0     0.031     58.5
2024.0     0.023    354.7
2025.0     0.025    246.7
2026.0     0.028    181.7

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.