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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:55:45

Orbital Elements for HDS510

WDS:	HDS510	WDS ID/Discoverer
P:	45.500	Orbital period (years)
a:	0.18969999999999998	Semi-major axis (arcseconds)
i:	62.1	Inclination (degrees)
Ω:	89.5	Longitude of ascending node (degrees)
T:	2009.490	Epoch of periastron passage (year)
e:	0.606	Eccentricity
ω:	184.4	Longitude of periastron (degrees)
Start-Year:	2003.0	Year
End-Year:	2047.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS510

Position:	040232.85+063752.1	Epoch-2000 right ascension and declination
WDS-ID:	04025+0638	WDS designation
Discoverer Code:	HDS510	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	18856	Hipparcos catalog number
V1:	11.37	Magnitude of the primary
V2:	11.81	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2019	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for HDS510

WDS 6th Orbit including measures of HDS510

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

Ephemeris of HDS510

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.275     82.7
-------------------------
2003.0     0.116    128.9
2004.0     0.094    138.6
2005.0     0.074    153.9
2006.0     0.059    178.7
2007.0     0.057    211.7
2008.0     0.066    240.9
2009.0     0.074    262.3
2010.0     0.071    281.7
2011.0     0.058    307.1
2012.0     0.051    344.3
2013.0     0.062     19.1
2014.0     0.083     39.8
2015.0     0.108     51.6
2016.0     0.132     59.1
2017.0     0.154     64.3
2018.0     0.175     68.2
2019.0     0.194     71.3
2020.0     0.212     73.9
2021.0     0.228     76.1
2022.0     0.242     78.0
2023.0     0.255     79.7
2024.0     0.266     81.3
2025.0     0.275     82.7
2026.0     0.283     84.1
2027.0     0.290     85.4
2028.0     0.296     86.6
2029.0     0.300     87.8
2030.0     0.302     89.0
2031.0     0.304     90.1
2032.0     0.304     91.3
2033.0     0.303     92.4
2034.0     0.301     93.6
2035.0     0.297     94.8
2036.0     0.292     96.0
2037.0     0.286     97.3
2038.0     0.278     98.6
2039.0     0.269    100.0
2040.0     0.259    101.5
2041.0     0.248    103.2
2042.0     0.235    105.0
2043.0     0.220    107.1
2044.0     0.204    109.4
2045.0     0.187    112.2
2046.0     0.169    115.5

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.