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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:29:59

Orbital Elements for KRV54

WDS:	KRV54	WDS ID/Discoverer
P:	7.039	Orbital period (years)
a:	0.1719	Semi-major axis (arcseconds)
i:	30.32	Inclination (degrees)
Ω:	310.91	Longitude of ascending node (degrees)
T:	2008.760	Epoch of periastron passage (year)
e:	0.7258	Eccentricity
ω:	172.05	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 KRV54

Position:	013742.85-571412.3	Epoch-2000 right ascension and declination
WDS-ID:	01377-5714	WDS designation
Discoverer Code:	KRV54	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	10144	HD catalog number
Hipparcos number:	7588	Hipparcos catalog number
V1:	0.7	Magnitude of the primary
V2:	2.1	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2019	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for KRV54

WDS 6th Orbit including measures of KRV54

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

Ephemeris of KRV54

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.259    288.8
-------------------------
2022.0     0.151    346.5
2023.0     0.056    182.1
2024.0     0.182    270.4
2025.0     0.259    288.8
2026.0     0.293    300.3
2027.0     0.290    310.7

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.