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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:08:57

Orbital Elements for COU1752

WDS:	COU1752	WDS ID/Discoverer
P:	71.400	Orbital period (years)
a:	0.182	Semi-major axis (arcseconds)
i:	50.3	Inclination (degrees)
Ω:	125.6	Longitude of ascending node (degrees)
T:	2006.400	Epoch of periastron passage (year)
e:	0.477	Eccentricity
ω:	83.6	Longitude of periastron (degrees)
Start-Year:	1990.0	Year
End-Year:	2060.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for COU1752

Position:	120144.12+472750.8	Epoch-2000 right ascension and declination
WDS-ID:	12017+4728	WDS designation
Discoverer Code:	COU1752	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	58659	Hipparcos catalog number
V1:	9.58	Magnitude of the primary
V2:	10.66	Magnitude of the secondary
Equinox:		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 COU1752

WDS 6th Orbit including measures of COU1752

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

Ephemeris of COU1752

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.188    337.4
-------------------------
1990.0     0.169     88.2
1991.0     0.168     91.5
1992.0     0.167     94.8
1993.0     0.166     98.2
1994.0     0.163    101.7
1995.0     0.160    105.3
1996.0     0.157    109.0
1997.0     0.152    112.9
1998.0     0.147    117.1
1999.0     0.140    121.7
2000.0     0.132    126.8
2001.0     0.122    132.6
2002.0     0.111    139.5
2003.0     0.098    148.2
2004.0     0.085    159.5
2005.0     0.072    175.0
2006.0     0.063    195.9
2007.0     0.061    220.7
2008.0     0.067    243.9
2009.0     0.079    261.7
2010.0     0.093    274.5
2011.0     0.107    284.0
2012.0     0.120    291.3
2013.0     0.131    297.2
2014.0     0.142    302.3
2015.0     0.151    306.7
2016.0     0.158    310.6
2017.0     0.165    314.2
2018.0     0.170    317.5
2019.0     0.175    320.7
2020.0     0.179    323.7
2021.0     0.182    326.5
2022.0     0.184    329.3
2023.0     0.186    332.1
2024.0     0.187    334.8
2025.0     0.188    337.4
2026.0     0.188    340.1
2027.0     0.188    342.7
2028.0     0.188    345.4
2029.0     0.188    348.0
2030.0     0.187    350.7
2031.0     0.186    353.4
2032.0     0.185    356.1
2033.0     0.184    358.9
2034.0     0.183      1.6
2035.0     0.182      4.5
2036.0     0.180      7.3
2037.0     0.179     10.2
2038.0     0.178     13.2
2039.0     0.177     16.1
2040.0     0.175     19.2
2041.0     0.174     22.2
2042.0     0.173     25.3
2043.0     0.172     28.5
2044.0     0.172     31.6
2045.0     0.171     34.8
2046.0     0.170     38.1
2047.0     0.170     41.3
2048.0     0.169     44.6
2049.0     0.169     47.8
2050.0     0.169     51.1
2051.0     0.169     54.4
2052.0     0.169     57.7
2053.0     0.169     60.9
2054.0     0.170     64.2
2055.0     0.170     67.5
2056.0     0.170     70.7
2057.0     0.170     73.9
2058.0     0.170     77.2
2059.0     0.170     80.4

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.