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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:21:34

Orbital Elements for RBT1AA,AB

WDS:	RBT1AA,AB	WDS ID/Discoverer
P:	0.977	Orbital period (years)
a:	0.02532	Semi-major axis (arcseconds)
i:	67.4	Inclination (degrees)
Ω:	288.3	Longitude of ascending node (degrees)
T:	2000.152	Epoch of periastron passage (year)
e:	0.824	Eccentricity
ω:	241.3	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 RBT1AA,AB

Position:	140349.40-602222.9	Epoch-2000 right ascension and declination
WDS-ID:	14038-6022	WDS designation
Discoverer Code:	RBT1AA,AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	122451	HD catalog number
Hipparcos number:	68702	Hipparcos catalog number
V1:	1.29	Magnitude of the primary
V2:	1.44	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2002	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for RBT1AA,AB

WDS 6th Orbit including measures of RBT1AA,AB

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

Ephemeris of RBT1AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.029    318.4
-------------------------

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.