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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:00:49

Orbital Elements for HU1080

WDS:	HU1080	WDS ID/Discoverer
P:	40.752	Orbital period (years)
a:	0.3749	Semi-major axis (arcseconds)
i:	93.06	Inclination (degrees)
Ω:	78.395	Longitude of ascending node (degrees)
T:	1960.845	Epoch of periastron passage (year)
e:	0.3179	Eccentricity
ω:	317.46	Longitude of periastron (degrees)
Start-Year:	2005.0	Year
End-Year:	2045.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU1080

Position:	042859.78+160932.7	Epoch-2000 right ascension and declination
WDS-ID:	04290+1610	WDS designation
Discoverer Code:	HU1080	Discover designation and components
ADS number:	3248	Aitken Double Star catalog
HD number:	28363	HD catalog number
Hipparcos number:	20916	Hipparcos catalog number
V1:	6.85	Magnitude of the primary
V2:	8.38	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for HU1080

WDS 6th Orbit including measures of HU1080

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

Ephemeris of HU1080

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.431    260.0
-------------------------
2005.0     0.278     77.6
2006.0     0.270     76.8
2007.0     0.249     75.9
2008.0     0.220     74.7
2009.0     0.183     73.2
2010.0     0.142     70.8
2011.0     0.098     66.2
2012.0     0.054     54.2
2013.0     0.023    351.2
2014.0     0.052    285.1
2015.0     0.097    272.6
2016.0     0.142    268.0
2017.0     0.185    265.6
2018.0     0.227    264.1
2019.0     0.266    263.1
2020.0     0.302    262.3
2021.0     0.335    261.7
2022.0     0.365    261.2
2023.0     0.391    260.7
2024.0     0.413    260.4
2025.0     0.431    260.0
2026.0     0.444    259.7
2027.0     0.451    259.4
2028.0     0.454    259.1
2029.0     0.451    258.8
2030.0     0.442    258.4
2031.0     0.426    258.1
2032.0     0.404    257.7
2033.0     0.375    257.3
2034.0     0.338    256.8
2035.0     0.293    256.2
2036.0     0.240    255.3
2037.0     0.181    253.9
2038.0     0.114    250.8
2039.0     0.044    238.4
2040.0     0.035    102.3
2041.0     0.105     85.4
2042.0     0.169     81.9
2043.0     0.221     80.2
2044.0     0.257     79.1

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.