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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:22:34

Orbital Elements for COU606

WDS:	COU606	WDS ID/Discoverer
P:	26.250	Orbital period (years)
a:	0.195	Semi-major axis (arcseconds)
i:	138.7	Inclination (degrees)
Ω:	58.8	Longitude of ascending node (degrees)
T:	1984.570	Epoch of periastron passage (year)
e:	0.312	Eccentricity
ω:	186.7	Longitude of periastron (degrees)
Start-Year:	2012.0	Year
End-Year:	2038.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for COU606

Position:	141348.83+305927.4	Epoch-2000 right ascension and declination
WDS-ID:	14138+3059	WDS designation
Discoverer Code:	COU606	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	69514	Hipparcos catalog number
V1:	10.73	Magnitude of the primary
V2:	11.32	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2014	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for COU606

WDS 6th Orbit including measures of COU606

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

Ephemeris of COU606

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.251     47.6
-------------------------
2012.0     0.127    208.0
2013.0     0.121    183.7
2014.0     0.124    158.6
2015.0     0.136    136.2
2016.0     0.155    118.3
2017.0     0.176    104.6
2018.0     0.197     93.9
2019.0     0.215     85.1
2020.0     0.231     77.7
2021.0     0.243     71.0
2022.0     0.251     65.0
2023.0     0.255     59.2
2024.0     0.255     53.4
2025.0     0.251     47.6
2026.0     0.243     41.6
2027.0     0.232     35.0
2028.0     0.218     27.7
2029.0     0.201     19.2
2030.0     0.182      9.0
2031.0     0.163    356.4
2032.0     0.146    340.7
2033.0     0.134    321.4
2034.0     0.129    299.5
2035.0     0.130    277.1
2036.0     0.134    255.8
2037.0     0.134    235.2

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.