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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:01:55

Orbital Elements for B2092AB

WDS:	B2092AB	WDS ID/Discoverer
P:	12.110	Orbital period (years)
a:	0.201	Semi-major axis (arcseconds)
i:	46.0	Inclination (degrees)
Ω:	304.9	Longitude of ascending node (degrees)
T:	1986.900	Epoch of periastron passage (year)
e:	0.777	Eccentricity
ω:	40.0	Longitude of periastron (degrees)
Start-Year:	2019.0	Year
End-Year:	2031.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for B2092AB

Position:	043359.72-550242.0	Epoch-2000 right ascension and declination
WDS-ID:	04340-5503	WDS designation
Discoverer Code:	B2092AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	29305	HD catalog number
Hipparcos number:	21281	Hipparcos catalog number
V1:	3.62	Magnitude of the primary
V2:	4.57	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2008	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for B2092AB

WDS 6th Orbit including measures of B2092AB

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

Ephemeris of B2092AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.219    128.4
-------------------------
2019.0     0.277    165.8
2020.0     0.238    173.7
2021.0     0.186    185.5
2022.0     0.122    208.3
2023.0     0.058    284.2
2024.0     0.124    110.2
2025.0     0.219    128.4
2026.0     0.274    137.0
2027.0     0.306    143.2
2028.0     0.320    148.5
2029.0     0.319    153.7
2030.0     0.306    159.0

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.