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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:38:15

Orbital Elements for HU1335

WDS:	HU1335	WDS ID/Discoverer
P:	43.800	Orbital period (years)
a:	0.328	Semi-major axis (arcseconds)
i:	57.9	Inclination (degrees)
Ω:	82.3	Longitude of ascending node (degrees)
T:	2016.070	Epoch of periastron passage (year)
e:	0.448	Eccentricity
ω:	196.6	Longitude of periastron (degrees)
Start-Year:	2004.0	Year
End-Year:	2046.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU1335

Position:	225836.41-453109.6	Epoch-2000 right ascension and declination
WDS-ID:	22586-4531	WDS designation
Discoverer Code:	HU1335	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	217084	HD catalog number
Hipparcos number:	113454	Hipparcos catalog number
V1:	8.03	Magnitude of the primary
V2:	9.24	Magnitude of the secondary
Equinox:		Equinox
Date:	2019	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for HU1335

WDS 6th Orbit including measures of HU1335

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

Ephemeris of HU1335

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.296     58.9
-------------------------
2004.0     0.291    119.5
2005.0     0.264    124.9
2006.0     0.237    131.7
2007.0     0.210    140.1
2008.0     0.186    150.9
2009.0     0.167    164.5
2010.0     0.155    180.9
2011.0     0.153    198.9
2012.0     0.159    216.3
2013.0     0.171    231.8
2014.0     0.182    245.3
2015.0     0.185    257.7
2016.0     0.177    270.4
2017.0     0.157    285.3
2018.0     0.134    305.4
2019.0     0.121    331.9
2020.0     0.128    360.0
2021.0     0.153     21.8
2022.0     0.188     36.4
2023.0     0.225     46.3
2024.0     0.262     53.4
2025.0     0.296     58.9
2026.0     0.327     63.2
2027.0     0.355     66.8
2028.0     0.380     69.9
2029.0     0.402     72.6
2030.0     0.420     75.1
2031.0     0.436     77.4
2032.0     0.448     79.6
2033.0     0.457     81.6
2034.0     0.463     83.6
2035.0     0.467     85.5
2036.0     0.467     87.5
2037.0     0.465     89.4
2038.0     0.461     91.4
2039.0     0.453     93.4
2040.0     0.444     95.5
2041.0     0.431     97.6
2042.0     0.417    100.0
2043.0     0.400    102.5
2044.0     0.381    105.3
2045.0     0.360    108.3

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.