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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:34:23

Orbital Elements for LEHPM1-4771

WDS:	LEHPM1-4771	WDS ID/Discoverer
P:	5.790	Orbital period (years)
a:	0.02239	Semi-major axis (arcseconds)
i:	122.49	Inclination (degrees)
Ω:	87.94	Longitude of ascending node (degrees)
T:	2005.290	Epoch of periastron passage (year)
e:	0.3	Eccentricity
ω:	32.28	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 LEHPM1-4771

Position:	223009.46-534454.5	Epoch-2000 right ascension and declination
WDS-ID:	22300-5345	WDS designation
Discoverer Code:	LEHPM1-4771	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	8.63k	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:		Flags

Double Star Orbit for LEHPM1-4771

WDS 6th Orbit including measures of LEHPM1-4771

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

Ephemeris of LEHPM1-4771

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.028    261.2
-------------------------
2023.0     0.010     29.2
2024.0     0.021    285.7
2025.0     0.028    261.2
2026.0     0.022    237.1

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.