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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:12:23

Orbital Elements for 26COM

WDS:	26COM	WDS ID/Discoverer
P:	2.662	Orbital period (years)
a:	0.004	Semi-major axis (arcseconds)
i:	75.8	Inclination (degrees)
Ω:	318.4	Longitude of ascending node (degrees)
T:	1977.438	Epoch of periastron passage (year)
e:	0.59	Eccentricity
ω:	102.5	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 26COM

Position:	123907.36+210345.3	Epoch-2000 right ascension and declination
WDS-ID:	12391+2104	WDS designation
Discoverer Code:	26COM	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	110024	HD catalog number
Hipparcos number:	61724	Hipparcos catalog number
V1:	5.49	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:	2000	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 26COM

WDS 6th Orbit including measures of 26COM

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

Ephemeris of 26COM

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.004    314.1
-------------------------
2024.0     0.002    267.4
2025.0     0.004    314.1

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.