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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:20:17

Orbital Elements for FRV1

WDS:	FRV1	WDS ID/Discoverer
P:	7.698	Orbital period (years)
a:	0.14599	Semi-major axis (arcseconds)
i:	117.36	Inclination (degrees)
Ω:	36.64	Longitude of ascending node (degrees)
T:	2017.012	Epoch of periastron passage (year)
e:	0.0468	Eccentricity
ω:	262.2	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 FRV1

Position:	002755.93+221932.8	Epoch-2000 right ascension and declination
WDS-ID:	00279+2220	WDS designation
Discoverer Code:	FRV1	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	10.15k	Magnitude of the primary
V2:	10.46k	Magnitude of the secondary
Equinox:	2000	Equinox
Date:		Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for FRV1

WDS 6th Orbit including measures of FRV1

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

Ephemeris of FRV1

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.066    111.5
-------------------------
2022.0     0.112    244.2
2023.0     0.145    218.1
2024.0     0.108    191.3
2025.0     0.066    111.5
2026.0     0.125     53.1
2027.0     0.145     29.9

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.