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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:43:54

Orbital Elements for BD+345002

WDS:	BD+345002	WDS ID/Discoverer
P:	4.808	Orbital period (years)
a:	0.009380000000000001	Semi-major axis (arcseconds)
i:	102.0	Inclination (degrees)
Ω:	251.7	Longitude of ascending node (degrees)
T:	1991.461	Epoch of periastron passage (year)
e:	0.52	Eccentricity
ω:	192.3	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 BD+345002

Position:	234609.24+351440.1	Epoch-2000 right ascension and declination
WDS-ID:	23462+3515	WDS designation
Discoverer Code:	BD+345002	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	117229	Hipparcos catalog number
V1:	9.13	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:	n	Flags

Double Star Orbit for BD+345002

WDS 6th Orbit including measures of BD+345002

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

Ephemeris of BD+345002

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.004     75.7
-------------------------
2023.0     0.013    247.3
2024.0     0.007    235.5
2025.0     0.004     75.7
2026.0     0.008    262.1

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.