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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:27:01

Orbital Elements for HDS160

WDS:	HDS160	WDS ID/Discoverer
P:	46.560	Orbital period (years)
a:	0.192	Semi-major axis (arcseconds)
i:	66.2	Inclination (degrees)
Ω:	27.0	Longitude of ascending node (degrees)
T:	2029.980	Epoch of periastron passage (year)
e:	0.408	Eccentricity
ω:	239.2	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 HDS160

Position:	011253.87+513609.0	Epoch-2000 right ascension and declination
WDS-ID:	01129+5136	WDS designation
Discoverer Code:	HDS160	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	7169	HD catalog number
Hipparcos number:	5674	Hipparcos catalog number
V1:	7.50	Magnitude of the primary
V2:	9.80	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2010	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for HDS160

WDS 6th Orbit including measures of HDS160

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

Ephemeris of HDS160

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.142    197.6
-------------------------
2002.0     0.207     47.1
2003.0     0.200     49.6
2004.0     0.192     52.3
2005.0     0.183     55.3
2006.0     0.174     58.6
2007.0     0.164     62.2
2008.0     0.154     66.4
2009.0     0.144     71.2
2010.0     0.133     76.6
2011.0     0.124     83.0
2012.0     0.115     90.4
2013.0     0.108     98.9
2014.0     0.102    108.4
2015.0     0.099    118.8
2016.0     0.098    129.6
2017.0     0.100    140.3
2018.0     0.105    150.4
2019.0     0.110    159.5
2020.0     0.117    167.6
2021.0     0.125    174.8
2022.0     0.132    181.1
2023.0     0.137    186.9
2024.0     0.141    192.3
2025.0     0.142    197.6
2026.0     0.138    202.9
2027.0     0.129    208.8
2028.0     0.114    215.8
2029.0     0.094    225.5
2030.0     0.070    241.5
2031.0     0.051    272.3
2032.0     0.051    316.4
2033.0     0.072    345.6
2034.0     0.098      0.5
2035.0     0.124      9.0
2036.0     0.147     14.8
2037.0     0.166     19.0
2038.0     0.183     22.5
2039.0     0.196     25.4
2040.0     0.206     28.0
2041.0     0.214     30.4
2042.0     0.219     32.6
2043.0     0.222     34.8
2044.0     0.223     36.9
2045.0     0.222     39.0
2046.0     0.220     41.2
2047.0     0.216     43.4

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.