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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:12:36

Orbital Elements for COU596

WDS:	COU596	WDS ID/Discoverer
P:	38.130	Orbital period (years)
a:	0.118	Semi-major axis (arcseconds)
i:	140.5	Inclination (degrees)
Ω:	78.0	Longitude of ascending node (degrees)
T:	1988.880	Epoch of periastron passage (year)
e:	0.976	Eccentricity
ω:	60.1	Longitude of periastron (degrees)
Start-Year:	2006.0	Year
End-Year:	2044.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for COU596

Position:	124055.44+270820.9	Epoch-2000 right ascension and declination
WDS-ID:	12409+2708	WDS designation
Discoverer Code:	COU596	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	110297	HD catalog number
Hipparcos number:	61890	Hipparcos catalog number
V1:	8.5	Magnitude of the primary
V2:	8.7	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2008	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for COU596

WDS 6th Orbit including measures of COU596

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

Ephemeris of COU596

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.065    184.3
-------------------------
2006.0     0.194    205.8
2007.0     0.195    205.2
2008.0     0.194    204.7
2009.0     0.194    204.1
2010.0     0.192    203.5
2011.0     0.190    202.9
2012.0     0.187    202.3
2013.0     0.184    201.6
2014.0     0.179    200.9
2015.0     0.174    200.2
2016.0     0.169    199.5
2017.0     0.162    198.7
2018.0     0.155    197.8
2019.0     0.146    196.8
2020.0     0.137    195.7
2021.0     0.126    194.4
2022.0     0.114    192.9
2023.0     0.100    191.0
2024.0     0.084    188.3
2025.0     0.065    184.3
2026.0     0.041    176.2
2027.0     0.003     57.0
2028.0     0.049    228.4
2029.0     0.074    222.4
2030.0     0.094    219.3
2031.0     0.110    217.1
2032.0     0.124    215.5
2033.0     0.136    214.2
2034.0     0.146    213.1
2035.0     0.155    212.1
2036.0     0.163    211.2
2037.0     0.170    210.4
2038.0     0.175    209.7
2039.0     0.180    209.0
2040.0     0.185    208.3
2041.0     0.188    207.7
2042.0     0.191    207.1
2043.0     0.193    206.5

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.