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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:11:49

Orbital Elements for TOK785

WDS:	TOK785	WDS ID/Discoverer
P:	2.178	Orbital period (years)
a:	0.0531	Semi-major axis (arcseconds)
i:	60.6	Inclination (degrees)
Ω:	284.5	Longitude of ascending node (degrees)
T:	2020.080	Epoch of periastron passage (year)
e:	0.181	Eccentricity
ω:	7.0	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 TOK785

Position:	050635.68-773402.8	Epoch-2000 right ascension and declination
WDS-ID:	05066-7734	WDS designation
Discoverer Code:	TOK785	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	23776	Hipparcos catalog number
V1:	7.8	Magnitude of the primary
V2:	8.5	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for TOK785

WDS 6th Orbit including measures of TOK785

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

Ephemeris of TOK785

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.036     64.4
-------------------------
2024.0     0.026    203.0
2025.0     0.036     64.4

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.