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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:04:53

Orbital Elements for BOD1BA,BB

WDS:	BOD1BA,BB	WDS ID/Discoverer
P:	0.862	Orbital period (years)
a:	0.0222	Semi-major axis (arcseconds)
i:	66.3	Inclination (degrees)
Ω:	342.7	Longitude of ascending node (degrees)
T:	1992.234	Epoch of periastron passage (year)
e:	0.805	Eccentricity
ω:	104.5	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 BOD1BA,BB

Position:	112205.34-244639.5	Epoch-2000 right ascension and declination
WDS-ID:	11221-2447	WDS designation
Discoverer Code:	BOD1BA,BB	Discover designation and components
ADS number:	8141	Aitken Double Star catalog
HD number:	98800	HD catalog number
Hipparcos number:	55505	Hipparcos catalog number
V1:	10.4	Magnitude of the primary
V2:	11.5	Magnitude of the secondary
Equinox:		Equinox
Date:	2019	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for BOD1BA,BB

WDS 6th Orbit including measures of BOD1BA,BB

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

Ephemeris of BOD1BA,BB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.005    150.3
-------------------------

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.