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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:56:23

Orbital Elements for HDS1469

WDS:	HDS1469	WDS ID/Discoverer
P:	34.600	Orbital period (years)
a:	0.174	Semi-major axis (arcseconds)
i:	114.7	Inclination (degrees)
Ω:	71.9	Longitude of ascending node (degrees)
T:	2018.330	Epoch of periastron passage (year)
e:	0.623	Eccentricity
ω:	166.3	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 HDS1469

Position:	101109.93-324513.9	Epoch-2000 right ascension and declination
WDS-ID:	10112-3245	WDS designation
Discoverer Code:	HDS1469	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	88429	HD catalog number
Hipparcos number:	49883	Hipparcos catalog number
V1:	8.59	Magnitude of the primary
V2:	10.63	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2022	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for HDS1469

WDS 6th Orbit including measures of HDS1469

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

Ephemeris of HDS1469

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.134    102.7
-------------------------
2008.0     0.246     67.8
2009.0     0.232     66.0
2010.0     0.216     63.9
2011.0     0.196     61.5
2012.0     0.174     58.5
2013.0     0.148     54.5
2014.0     0.118     48.6
2015.0     0.085     38.4
2016.0     0.052     14.8
2017.0     0.038    314.5
2018.0     0.059    266.7
2019.0     0.066    242.0
2020.0     0.055    214.5
2021.0     0.050    175.2
2022.0     0.062    140.4
2023.0     0.085    120.7
2024.0     0.110    109.7
2025.0     0.134    102.7
2026.0     0.157     97.8
2027.0     0.177     94.1
2028.0     0.196     91.1
2029.0     0.213     88.7
2030.0     0.228     86.6
2031.0     0.241     84.7
2032.0     0.252     83.0
2033.0     0.261     81.4
2034.0     0.268     80.0
2035.0     0.274     78.6
2036.0     0.277     77.2
2037.0     0.278     75.9
2038.0     0.277     74.5
2039.0     0.274     73.2
2040.0     0.269     71.8
2041.0     0.262     70.3

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.