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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:13:54

Orbital Elements for HR4896

WDS:	HR4896	WDS ID/Discoverer
P:	2.767	Orbital period (years)
a:	0.0272	Semi-major axis (arcseconds)
i:	37.6	Inclination (degrees)
Ω:	8.6	Longitude of ascending node (degrees)
T:	2005.316	Epoch of periastron passage (year)
e:	0.282	Eccentricity
ω:	184.25	Longitude of periastron (degrees)
Start-Year:	2024.0	Year
End-Year:	2026.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HR4896

Position:	125338.12-041328.2	Epoch-2000 right ascension and declination
WDS-ID:	12536-0413	WDS designation
Discoverer Code:	HR4896	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	112048	HD catalog number
Hipparcos number:	62915	Hipparcos catalog number
V1:	6.45	Magnitude of the primary
V2:	14.3	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for HR4896

WDS 6th Orbit including measures of HR4896

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

Ephemeris of HR4896

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.018    257.8
-------------------------
2024.0     0.024     67.5
2025.0     0.018    257.8

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.