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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:31:22

Orbital Elements for A519AB

WDS:	A519AB	WDS ID/Discoverer
P:	43.830	Orbital period (years)
a:	0.285	Semi-major axis (arcseconds)
i:	98.3	Inclination (degrees)
Ω:	95.9	Longitude of ascending node (degrees)
T:	2006.745	Epoch of periastron passage (year)
e:	0.527	Eccentricity
ω:	356.4	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 A519AB

Position:	070420.87-030302.4	Epoch-2000 right ascension and declination
WDS-ID:	07043-0303	WDS designation
Discoverer Code:	A519AB	Discover designation and components
ADS number:	5752	Aitken Double Star catalog
HD number:	53299	HD catalog number
Hipparcos number:	34110	Hipparcos catalog number
V1:	8.80	Magnitude of the primary
V2:	9.44	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2022	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for A519AB

WDS 6th Orbit including measures of A519AB

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

Ephemeris of A519AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.413    278.1
-------------------------
2004.0     0.053    123.4
2005.0     0.093    106.9
2006.0     0.124    100.0
2007.0     0.135     95.3
2008.0     0.121     90.4
2009.0     0.090     83.1
2010.0     0.052     65.7
2011.0     0.031      4.6
2012.0     0.058    311.6
2013.0     0.098    297.1
2014.0     0.138    291.1
2015.0     0.177    287.7
2016.0     0.213    285.6
2017.0     0.246    284.0
2018.0     0.276    282.8
2019.0     0.303    281.8
2020.0     0.328    281.0
2021.0     0.350    280.3
2022.0     0.370    279.7
2023.0     0.387    279.1
2024.0     0.401    278.6
2025.0     0.413    278.1
2026.0     0.422    277.6
2027.0     0.429    277.1
2028.0     0.433    276.7
2029.0     0.435    276.3
2030.0     0.434    275.8
2031.0     0.431    275.4
2032.0     0.425    275.0
2033.0     0.417    274.5
2034.0     0.406    274.0
2035.0     0.392    273.5
2036.0     0.376    272.9
2037.0     0.357    272.3
2038.0     0.335    271.7
2039.0     0.310    270.9
2040.0     0.283    269.9
2041.0     0.252    268.8
2042.0     0.217    267.3
2043.0     0.180    265.2
2044.0     0.140    262.0
2045.0     0.097    255.9

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.