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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:27:26

Orbital Elements for HR2365

WDS:	HR2365	WDS ID/Discoverer
P:	7.327	Orbital period (years)
a:	0.036	Semi-major axis (arcseconds)
i:	139.0	Inclination (degrees)
Ω:	102.0	Longitude of ascending node (degrees)
T:	1995.035	Epoch of periastron passage (year)
e:	0.83	Eccentricity
ω:	106.0	Longitude of periastron (degrees)
Start-Year:	2022.0	Year
End-Year:	2028.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HR2365

Position:	063755.24+734144.3	Epoch-2000 right ascension and declination
WDS-ID:	06379+7342	WDS designation
Discoverer Code:	HR2365	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	45947	HD catalog number
Hipparcos number:	31703	Hipparcos catalog number
V1:	6.25	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:		Equinox
Date:	1993	Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for HR2365

WDS 6th Orbit including measures of HR2365

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

Ephemeris of HR2365

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.024    223.3
-------------------------
2022.0     0.049    157.4
2023.0     0.040    144.1
2024.0     0.019    113.3
2025.0     0.024    223.3
2026.0     0.039    196.3
2027.0     0.047    182.1

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.