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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:27:43

Orbital Elements for CHR168AA,AB

WDS:	CHR168AA,AB	WDS ID/Discoverer
P:	74.280	Orbital period (years)
a:	0.0956	Semi-major axis (arcseconds)
i:	51.2	Inclination (degrees)
Ω:	52.6	Longitude of ascending node (degrees)
T:	1996.060	Epoch of periastron passage (year)
e:	0.716	Eccentricity
ω:	69.2	Longitude of periastron (degrees)
Start-Year:	1988.0	Year
End-Year:	2062.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CHR168AA,AB

Position:	064058.66+095344.7	Epoch-2000 right ascension and declination
WDS-ID:	06410+0954	WDS designation
Discoverer Code:	CHR168AA,AB	Discover designation and components
ADS number:	5322	Aitken Double Star catalog
HD number:	47839	HD catalog number
Hipparcos number:	31978	Hipparcos catalog number
V1:	4.66	Magnitude of the primary
V2:	5.9	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2006	Date of last observation
Orbit grade:	5	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for CHR168AA,AB

WDS 6th Orbit including measures of CHR168AA,AB

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

Ephemeris of CHR168AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.117    279.4
-------------------------
1988.0     0.062      6.9
1989.0     0.059     12.1
1990.0     0.056     17.9
1991.0     0.053     24.4
1992.0     0.049     31.9
1993.0     0.044     40.9
1994.0     0.037     52.7
1995.0     0.028     71.0
1996.0     0.019    108.1
1997.0     0.020    167.7
1998.0     0.030    201.0
1999.0     0.042    216.2
2000.0     0.052    225.2
2001.0     0.060    231.3
2002.0     0.068    236.0
2003.0     0.074    239.8
2004.0     0.080    243.1
2005.0     0.085    245.9
2006.0     0.090    248.4
2007.0     0.094    250.7
2008.0     0.097    252.9
2009.0     0.100    254.9
2010.0     0.103    256.8
2011.0     0.105    258.5
2012.0     0.107    260.3
2013.0     0.109    261.9
2014.0     0.111    263.5
2015.0     0.112    265.1
2016.0     0.114    266.6
2017.0     0.115    268.1
2018.0     0.116    269.5
2019.0     0.116    271.0
2020.0     0.117    272.4
2021.0     0.117    273.8
2022.0     0.117    275.2
2023.0     0.117    276.6
2024.0     0.117    278.0
2025.0     0.117    279.4
2026.0     0.117    280.8
2027.0     0.117    282.3
2028.0     0.116    283.7
2029.0     0.116    285.1
2030.0     0.115    286.6
2031.0     0.114    288.1
2032.0     0.113    289.6
2033.0     0.113    291.1
2034.0     0.112    292.6
2035.0     0.111    294.2
2036.0     0.109    295.8
2037.0     0.108    297.4
2038.0     0.107    299.1
2039.0     0.106    300.8
2040.0     0.104    302.6
2041.0     0.103    304.4
2042.0     0.101    306.3
2043.0     0.100    308.2
2044.0     0.098    310.2
2045.0     0.096    312.2
2046.0     0.095    314.3
2047.0     0.093    316.5
2048.0     0.091    318.8
2049.0     0.089    321.2
2050.0     0.087    323.7
2051.0     0.086    326.3
2052.0     0.084    329.0
2053.0     0.082    331.8
2054.0     0.080    334.8
2055.0     0.078    337.9
2056.0     0.076    341.2
2057.0     0.074    344.6
2058.0     0.072    348.3
2059.0     0.070    352.2
2060.0     0.067    356.3
2061.0     0.065      0.7

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.