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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:29:25

Orbital Elements for CHR223

WDS:	CHR223	WDS ID/Discoverer
P:	73.829	Orbital period (years)
a:	0.1713	Semi-major axis (arcseconds)
i:	109.9	Inclination (degrees)
Ω:	110.9	Longitude of ascending node (degrees)
T:	2025.728	Epoch of periastron passage (year)
e:	0.311	Eccentricity
ω:	275.3	Longitude of periastron (degrees)
Start-Year:	1989.0	Year
End-Year:	2061.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CHR223

Position:	214744.82-181246.9	Epoch-2000 right ascension and declination
WDS-ID:	21477-1813	WDS designation
Discoverer Code:	CHR223	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	207208	HD catalog number
Hipparcos number:	107610	Hipparcos catalog number
V1:	7.6	Magnitude of the primary
V2:	9.3	Magnitude of the secondary
Equinox:		Equinox
Date:	2019	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for CHR223

WDS 6th Orbit including measures of CHR223

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

Ephemeris of CHR223

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.040    206.2
-------------------------
1989.0     0.079      4.3
1990.0     0.083    357.2
1991.0     0.087    350.7
1992.0     0.091    344.8
1993.0     0.097    339.6
1994.0     0.102    334.9
1995.0     0.108    330.7
1996.0     0.115    327.0
1997.0     0.121    323.7
1998.0     0.127    320.6
1999.0     0.133    317.9
2000.0     0.139    315.4
2001.0     0.144    313.1
2002.0     0.149    310.9
2003.0     0.154    308.9
2004.0     0.158    307.0
2005.0     0.162    305.2
2006.0     0.165    303.4
2007.0     0.167    301.7
2008.0     0.168    300.1
2009.0     0.169    298.5
2010.0     0.169    296.8
2011.0     0.167    295.2
2012.0     0.165    293.5
2013.0     0.162    291.8
2014.0     0.157    290.0
2015.0     0.151    288.0
2016.0     0.143    285.9
2017.0     0.134    283.5
2018.0     0.124    280.7
2019.0     0.113    277.4
2020.0     0.100    273.3
2021.0     0.086    267.9
2022.0     0.072    260.4
2023.0     0.058    249.2
2024.0     0.046    231.7
2025.0     0.040    206.2
2026.0     0.043    178.6
2027.0     0.053    157.8
2028.0     0.066    144.4
2029.0     0.080    135.6
2030.0     0.094    129.5
2031.0     0.107    124.8
2032.0     0.118    121.2
2033.0     0.129    118.2
2034.0     0.137    115.5
2035.0     0.144    113.2
2036.0     0.150    111.1
2037.0     0.154    109.1
2038.0     0.157    107.2
2039.0     0.159    105.3
2040.0     0.159    103.5
2041.0     0.158    101.7
2042.0     0.157     99.8
2043.0     0.155     97.9
2044.0     0.151     95.9
2045.0     0.148     93.8
2046.0     0.143     91.7
2047.0     0.138     89.3
2048.0     0.133     86.8
2049.0     0.128     84.1
2050.0     0.122     81.1
2051.0     0.116     77.8
2052.0     0.110     74.2
2053.0     0.104     70.1
2054.0     0.098     65.6
2055.0     0.093     60.5
2056.0     0.088     54.8
2057.0     0.084     48.5
2058.0     0.080     41.5
2059.0     0.078     34.1
2060.0     0.076     26.3

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.