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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:00:54

Orbital Elements for COU1746

WDS:	COU1746	WDS ID/Discoverer
P:	58.520	Orbital period (years)
a:	0.224	Semi-major axis (arcseconds)
i:	19.2	Inclination (degrees)
Ω:	113.2	Longitude of ascending node (degrees)
T:	1972.670	Epoch of periastron passage (year)
e:	0.845	Eccentricity
ω:	22.2	Longitude of periastron (degrees)
Start-Year:	1996.0	Year
End-Year:	2054.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for COU1746

Position:	105426.21+383936.6	Epoch-2000 right ascension and declination
WDS-ID:	10544+3840	WDS designation
Discoverer Code:	COU1746	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	53326	Hipparcos catalog number
V1:	10.70	Magnitude of the primary
V2:	10.91	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2012	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for COU1746

WDS 6th Orbit including measures of COU1746

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

Ephemeris of COU1746

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.204    348.2
-------------------------
1996.0     0.400    308.7
1997.0     0.403    309.7
1998.0     0.406    310.6
1999.0     0.408    311.6
2000.0     0.409    312.5
2001.0     0.410    313.4
2002.0     0.410    314.3
2003.0     0.409    315.3
2004.0     0.408    316.2
2005.0     0.406    317.1
2006.0     0.404    318.1
2007.0     0.400    319.1
2008.0     0.396    320.0
2009.0     0.392    321.0
2010.0     0.387    322.1
2011.0     0.381    323.1
2012.0     0.374    324.2
2013.0     0.367    325.4
2014.0     0.358    326.5
2015.0     0.349    327.8
2016.0     0.340    329.1
2017.0     0.329    330.5
2018.0     0.317    332.0
2019.0     0.305    333.6
2020.0     0.291    335.4
2021.0     0.276    337.3
2022.0     0.260    339.5
2023.0     0.243    341.9
2024.0     0.224    344.8
2025.0     0.204    348.2
2026.0     0.182    352.4
2027.0     0.157    357.8
2028.0     0.130      5.4
2029.0     0.100     17.4
2030.0     0.066     41.0
2031.0     0.036    110.3
2032.0     0.052    215.0
2033.0     0.090    248.3
2034.0     0.123    262.3
2035.0     0.153    270.5
2036.0     0.180    276.1
2037.0     0.203    280.4
2038.0     0.225    283.8
2039.0     0.244    286.6
2040.0     0.262    289.1
2041.0     0.278    291.2
2042.0     0.293    293.1
2043.0     0.307    294.8
2044.0     0.320    296.4
2045.0     0.332    297.9
2046.0     0.342    299.2
2047.0     0.352    300.5
2048.0     0.361    301.8
2049.0     0.369    302.9
2050.0     0.377    304.0
2051.0     0.383    305.1
2052.0     0.389    306.2
2053.0     0.394    307.2

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.