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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:35:44

Orbital Elements for BETSCO

WDS:	BETSCO	WDS ID/Discoverer
P:	0.019	Orbital period (years)
a:	0.0014199999999999998	Semi-major axis (arcseconds)
i:	111.8	Inclination (degrees)
Ω:	294.2	Longitude of ascending node (degrees)
T:	1995.192	Epoch of periastron passage (year)
e:	0.291	Eccentricity
ω:	54.8	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 BETSCO

Position:	160526.23-194819.4	Epoch-2000 right ascension and declination
WDS-ID:	16054-1948	WDS designation
Discoverer Code:	BETSCO	Discover designation and components
ADS number:	9913	Aitken Double Star catalog
HD number:	144217	HD catalog number
Hipparcos number:	78820	Hipparcos catalog number
V1:	2.62	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:		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 BETSCO

WDS 6th Orbit including measures of BETSCO

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

Ephemeris of BETSCO

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.001     98.3
-------------------------

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.