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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:12:16

Orbital Elements for CHR96AA,AB

WDS:	CHR96AA,AB	WDS ID/Discoverer
P:	35.200	Orbital period (years)
a:	0.0545	Semi-major axis (arcseconds)
i:	46.2	Inclination (degrees)
Ω:	255.2	Longitude of ascending node (degrees)
T:	1994.840	Epoch of periastron passage (year)
e:	0.489	Eccentricity
ω:	70.4	Longitude of periastron (degrees)
Start-Year:	2008.0	Year
End-Year:	2042.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CHR96AA,AB

Position:	201806.99+404355.6	Epoch-2000 right ascension and declination
WDS-ID:	20181+4044	WDS designation
Discoverer Code:	CHR96AA,AB	Discover designation and components
ADS number:	13672	Aitken Double Star catalog
HD number:	193322	HD catalog number
Hipparcos number:	100069	Hipparcos catalog number
V1:	6.6	Magnitude of the primary
V2:	6.8	Magnitude of the secondary
Equinox:	2000	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 CHR96AA,AB

WDS 6th Orbit including measures of CHR96AA,AB

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

Ephemeris of CHR96AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.044    226.1
-------------------------
2008.0     0.064    116.7
2009.0     0.063    121.3
2010.0     0.062    125.9
2011.0     0.061    130.7
2012.0     0.060    135.7
2013.0     0.059    140.9
2014.0     0.057    146.3
2015.0     0.056    152.0
2016.0     0.055    158.0
2017.0     0.053    164.3
2018.0     0.052    170.9
2019.0     0.051    177.8
2020.0     0.050    185.0
2021.0     0.049    192.5
2022.0     0.048    200.3
2023.0     0.047    208.4
2024.0     0.046    217.0
2025.0     0.044    226.1
2026.0     0.042    236.0
2027.0     0.038    247.4
2028.0     0.033    261.6
2029.0     0.027    282.1
2030.0     0.021    316.2
2031.0     0.021      2.4
2032.0     0.028     35.3
2033.0     0.036     53.9
2034.0     0.043     65.7
2035.0     0.049     74.4
2036.0     0.054     81.3
2037.0     0.057     87.2
2038.0     0.060     92.6
2039.0     0.062     97.5
2040.0     0.063    102.2
2041.0     0.064    106.8

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.