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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:32:54

Orbital Elements for BUG17

WDS:	BUG17	WDS ID/Discoverer
P:	8.264	Orbital period (years)
a:	0.3211	Semi-major axis (arcseconds)
i:	106.5003	Inclination (degrees)
Ω:	59.415	Longitude of ascending node (degrees)
T:	2015.719	Epoch of periastron passage (year)
e:	0.248445	Eccentricity
ω:	182.7214	Longitude of periastron (degrees)
Start-Year:	2021.0	Year
End-Year:	2029.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BUG17

Position:	072002.19-084659.5	Epoch-2000 right ascension and declination
WDS-ID:	07200-0847	WDS designation
Discoverer Code:	BUG17	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	9.47k	Magnitude of the primary
V2:	14.2 k	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for BUG17

WDS 6th Orbit including measures of BUG17

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

Ephemeris of BUG17

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.114    198.7
-------------------------
2021.0     0.319     48.2
2022.0     0.152     23.6
2023.0     0.138    270.0
2024.0     0.241    238.3
2025.0     0.114    198.7
2026.0     0.181     87.3
2027.0     0.341     68.1
2028.0     0.401     59.5

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.