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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:03:12

Orbital Elements for HDS1596

WDS:	HDS1596	WDS ID/Discoverer
P:	50.080	Orbital period (years)
a:	0.213	Semi-major axis (arcseconds)
i:	53.1	Inclination (degrees)
Ω:	80.8	Longitude of ascending node (degrees)
T:	2018.829	Epoch of periastron passage (year)
e:	0.4	Eccentricity
ω:	141.5	Longitude of periastron (degrees)
Start-Year:	2000.0	Year
End-Year:	2050.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS1596

Position:	111210.24-461600.4	Epoch-2000 right ascension and declination
WDS-ID:	11122-4616	WDS designation
Discoverer Code:	HDS1596	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	97413	HD catalog number
Hipparcos number:	54718	Hipparcos catalog number
V1:	6.39	Magnitude of the primary
V2:	9.44	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2022	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for HDS1596

WDS 6th Orbit including measures of HDS1596

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

Ephemeris of HDS1596

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.140    296.5
-------------------------
2000.0     0.277     70.4
2001.0     0.276     72.8
2002.0     0.273     75.1
2003.0     0.268     77.6
2004.0     0.262     80.1
2005.0     0.255     82.8
2006.0     0.245     85.7
2007.0     0.234     88.8
2008.0     0.221     92.3
2009.0     0.206     96.3
2010.0     0.189    100.9
2011.0     0.170    106.4
2012.0     0.150    113.5
2013.0     0.129    122.7
2014.0     0.110    135.4
2015.0     0.093    153.1
2016.0     0.085    176.1
2017.0     0.088    200.7
2018.0     0.099    221.7
2019.0     0.113    237.7
2020.0     0.127    250.2
2021.0     0.136    260.5
2022.0     0.141    269.8
2023.0     0.143    278.7
2024.0     0.142    287.5
2025.0     0.140    296.5
2026.0     0.137    305.8
2027.0     0.136    315.5
2028.0     0.135    325.3
2029.0     0.136    335.0
2030.0     0.140    344.5
2031.0     0.145    353.4
2032.0     0.152      1.6
2033.0     0.160      9.0
2034.0     0.169     15.7
2035.0     0.178     21.6
2036.0     0.189     27.0
2037.0     0.199     31.8
2038.0     0.209     36.1
2039.0     0.219     40.0
2040.0     0.228     43.6
2041.0     0.237     46.9
2042.0     0.245     50.0
2043.0     0.253     52.9
2044.0     0.259     55.6
2045.0     0.265     58.2
2046.0     0.270     60.7
2047.0     0.273     63.2
2048.0     0.276     65.5
2049.0     0.277     67.9

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.