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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:03:06

Orbital Elements for HDS1593

WDS:	HDS1593	WDS ID/Discoverer
P:	36.800	Orbital period (years)
a:	0.265	Semi-major axis (arcseconds)
i:	70.9	Inclination (degrees)
Ω:	329.0	Longitude of ascending node (degrees)
T:	2000.200	Epoch of periastron passage (year)
e:	0.269	Eccentricity
ω:	74.6	Longitude of periastron (degrees)
Start-Year:	2007.0	Year
End-Year:	2043.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS1593

Position:	111123.70+414936.4	Epoch-2000 right ascension and declination
WDS-ID:	11114+4150	WDS designation
Discoverer Code:	HDS1593	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	54663	Hipparcos catalog number
V1:	10.18	Magnitude of the primary
V2:	12.05	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for HDS1593

WDS 6th Orbit including measures of HDS1593

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

Ephemeris of HDS1593

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.157    292.9
-------------------------
2007.0     0.253    146.4
2008.0     0.267    149.6
2009.0     0.275    152.5
2010.0     0.276    155.4
2011.0     0.272    158.3
2012.0     0.263    161.3
2013.0     0.250    164.6
2014.0     0.233    168.3
2015.0     0.214    172.6
2016.0     0.194    177.8
2017.0     0.172    184.3
2018.0     0.151    192.7
2019.0     0.131    203.7
2020.0     0.117    217.9
2021.0     0.109    235.2
2022.0     0.111    253.4
2023.0     0.121    269.7
2024.0     0.137    282.8
2025.0     0.157    292.9
2026.0     0.178    300.6
2027.0     0.197    306.8
2028.0     0.214    311.9
2029.0     0.228    316.3
2030.0     0.236    320.3
2031.0     0.238    324.2
2032.0     0.232    328.1
2033.0     0.217    332.4
2034.0     0.193    337.5
2035.0     0.159    344.5
2036.0     0.119    355.8
2037.0     0.080     18.9
2038.0     0.064     65.4
2039.0     0.090    105.4
2040.0     0.132    123.7
2041.0     0.173    133.1
2042.0     0.208    139.1

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.