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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:36:07

Orbital Elements for CHR6AA,AB

WDS:	CHR6AA,AB	WDS ID/Discoverer
P:	47.524	Orbital period (years)
a:	0.41818	Semi-major axis (arcseconds)
i:	148.267	Inclination (degrees)
Ω:	176.016	Longitude of ascending node (degrees)
T:	1993.236	Epoch of periastron passage (year)
e:	0.62703	Eccentricity
ω:	327.465	Longitude of periastron (degrees)
Start-Year:	2002.0	Year
End-Year:	2048.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CHR6AA,AB

Position:	022903.96+672408.7	Epoch-2000 right ascension and declination
WDS-ID:	02291+6724	WDS designation
Discoverer Code:	CHR6AA,AB	Discover designation and components
ADS number:	1860	Aitken Double Star catalog
HD number:	15089	HD catalog number
Hipparcos number:	11569	Hipparcos catalog number
V1:	4.63	Magnitude of the primary
V2:	8.48	Magnitude of the secondary
Equinox:		Equinox
Date:	2010	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for CHR6AA,AB

WDS 6th Orbit including measures of CHR6AA,AB

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

Ephemeris of CHR6AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.619      7.7
-------------------------
2002.0     0.405     68.8
2003.0     0.434     63.8
2004.0     0.460     59.4
2005.0     0.485     55.5
2006.0     0.509     51.9
2007.0     0.530     48.7
2008.0     0.550     45.7
2009.0     0.569     42.9
2010.0     0.585     40.2
2011.0     0.600     37.7
2012.0     0.613     35.3
2013.0     0.625     33.0
2014.0     0.634     30.8
2015.0     0.642     28.7
2016.0     0.648     26.6
2017.0     0.653     24.5
2018.0     0.655     22.4
2019.0     0.656     20.4
2020.0     0.655     18.4
2021.0     0.652     16.3
2022.0     0.647     14.2
2023.0     0.640     12.1
2024.0     0.630      9.9
2025.0     0.619      7.7
2026.0     0.605      5.3
2027.0     0.589      2.9
2028.0     0.571      0.3
2029.0     0.550    357.5
2030.0     0.526    354.4
2031.0     0.499    351.1
2032.0     0.469    347.4
2033.0     0.435    343.1
2034.0     0.398    338.0
2035.0     0.356    331.8
2036.0     0.311    323.9
2037.0     0.262    313.2
2038.0     0.213    297.4
2039.0     0.169    272.7
2040.0     0.146    235.7
2041.0     0.154    195.3
2042.0     0.177    162.9
2043.0     0.204    138.5
2044.0     0.233    119.9
2045.0     0.264    105.6
2046.0     0.296     94.4
2047.0     0.328     85.4

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.