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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:41:32

Orbital Elements for HDS2392

WDS:	HDS2392	WDS ID/Discoverer
P:	26.480	Orbital period (years)
a:	0.1858	Semi-major axis (arcseconds)
i:	134.7	Inclination (degrees)
Ω:	101.3	Longitude of ascending node (degrees)
T:	2009.459	Epoch of periastron passage (year)
e:	0.5	Eccentricity
ω:	154.8	Longitude of periastron (degrees)
Start-Year:	2012.0	Year
End-Year:	2038.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS2392

Position:	165422.12-380553.5	Epoch-2000 right ascension and declination
WDS-ID:	16544-3806	WDS designation
Discoverer Code:	HDS2392	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	152331	HD catalog number
Hipparcos number:	82709	Hipparcos catalog number
V1:	8.66	Magnitude of the primary
V2:	10.97	Magnitude of the secondary
Equinox:	2000	Equinox
Date:		Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for HDS2392

WDS 6th Orbit including measures of HDS2392

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

Ephemeris of HDS2392

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.269    110.5
-------------------------
2012.0     0.106    226.3
2013.0     0.116    202.9
2014.0     0.132    184.0
2015.0     0.151    169.6
2016.0     0.171    158.5
2017.0     0.191    149.8
2018.0     0.210    142.7
2019.0     0.227    136.7
2020.0     0.241    131.5
2021.0     0.252    126.8
2022.0     0.261    122.5
2023.0     0.267    118.4
2024.0     0.270    114.4
2025.0     0.269    110.5
2026.0     0.265    106.5
2027.0     0.257    102.3
2028.0     0.245     97.8
2029.0     0.229     92.7
2030.0     0.208     86.7
2031.0     0.182     79.2
2032.0     0.152     68.9
2033.0     0.118     53.0
2034.0     0.088     25.1
2035.0     0.077    340.0
2036.0     0.089    297.4
2037.0     0.100    266.1

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.