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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:29:51

Orbital Elements for JOD23AB

WDS:	JOD23AB	WDS ID/Discoverer
P:	9.550	Orbital period (years)
a:	0.152	Semi-major axis (arcseconds)
i:	28.0	Inclination (degrees)
Ω:	48.4	Longitude of ascending node (degrees)
T:	2019.330	Epoch of periastron passage (year)
e:	0.41	Eccentricity
ω:	106.0	Longitude of periastron (degrees)
Start-Year:	2021.0	Year
End-Year:	2029.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for JOD23AB

Position:	215210.41+053735.8	Epoch-2000 right ascension and declination
WDS-ID:	21522+0538	WDS designation
Discoverer Code:	JOD23AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	107948	Hipparcos catalog number
V1:	14.0	Magnitude of the primary
V2:	14.5	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2015	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for JOD23AB

WDS 6th Orbit including measures of JOD23AB

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

Ephemeris of JOD23AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.192    353.4
-------------------------
2021.0     0.142    261.9
2022.0     0.166    291.3
2023.0     0.182    314.3
2024.0     0.191    334.4
2025.0     0.192    353.4
2026.0     0.181     13.4
2027.0     0.156     37.7
2028.0     0.110     77.7

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.