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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:30:46

Orbital Elements for COU750

WDS:	COU750	WDS ID/Discoverer
P:	58.180	Orbital period (years)
a:	0.356	Semi-major axis (arcseconds)
i:	80.9	Inclination (degrees)
Ω:	23.2	Longitude of ascending node (degrees)
T:	2000.400	Epoch of periastron passage (year)
e:	0.752	Eccentricity
ω:	247.4	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 COU750

Position:	014458.89+270247.6	Epoch-2000 right ascension and declination
WDS-ID:	01450+2703	WDS designation
Discoverer Code:	COU750	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	9.7	Magnitude of the primary
V2:	9.7	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2004	Date of last observation
Orbit grade:	5	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for COU750

WDS 6th Orbit including measures of COU750

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

Ephemeris of COU750

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.306     39.4
-------------------------
1996.0     0.153    191.3
1997.0     0.155    194.7
1998.0     0.148    198.2
1999.0     0.125    202.5
2000.0     0.070    211.2
2001.0     0.029    352.2
2002.0     0.111     17.0
2003.0     0.173     21.2
2004.0     0.219     23.3
2005.0     0.255     24.7
2006.0     0.282     25.9
2007.0     0.304     26.8
2008.0     0.321     27.7
2009.0     0.334     28.4
2010.0     0.344     29.1
2011.0     0.352     29.8
2012.0     0.358     30.4
2013.0     0.361     31.1
2014.0     0.363     31.7
2015.0     0.363     32.3
2016.0     0.362     32.9
2017.0     0.360     33.6
2018.0     0.356     34.2
2019.0     0.352     34.9
2020.0     0.346     35.5
2021.0     0.340     36.2
2022.0     0.332     37.0
2023.0     0.324     37.7
2024.0     0.315     38.5
2025.0     0.306     39.4
2026.0     0.296     40.3
2027.0     0.285     41.2
2028.0     0.274     42.3
2029.0     0.262     43.4
2030.0     0.250     44.7
2031.0     0.238     46.0
2032.0     0.225     47.6
2033.0     0.211     49.3
2034.0     0.198     51.2
2035.0     0.184     53.5
2036.0     0.170     56.1
2037.0     0.156     59.2
2038.0     0.143     62.8
2039.0     0.129     67.2
2040.0     0.117     72.7
2041.0     0.105     79.3
2042.0     0.095     87.6
2043.0     0.086     97.6
2044.0     0.081    109.4
2045.0     0.079    122.3
2046.0     0.081    135.2
2047.0     0.086    147.0
2048.0     0.094    157.1
2049.0     0.104    165.5
2050.0     0.115    172.4
2051.0     0.126    178.1
2052.0     0.136    182.9
2053.0     0.146    187.0

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.