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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:24:43

Orbital Elements for RST5225

WDS:	RST5225	WDS ID/Discoverer
P:	29.700	Orbital period (years)
a:	0.166	Semi-major axis (arcseconds)
i:	15.6	Inclination (degrees)
Ω:	6.9	Longitude of ascending node (degrees)
T:	1965.510	Epoch of periastron passage (year)
e:	0.379	Eccentricity
ω:	16.4	Longitude of periastron (degrees)
Start-Year:	2011.0	Year
End-Year:	2039.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST5225

Position:	061553.98+011008.4	Epoch-2000 right ascension and declination
WDS-ID:	06159+0110	WDS designation
Discoverer Code:	RST5225	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	43358	HD catalog number
Hipparcos number:	29746	Hipparcos catalog number
V1:	6.96	Magnitude of the primary
V2:	7.55	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2006	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for RST5225

WDS 6th Orbit including measures of RST5225

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

Ephemeris of RST5225

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.103     25.3
-------------------------
2011.0     0.227    208.1
2012.0     0.224    214.0
2013.0     0.220    220.0
2014.0     0.214    226.3
2015.0     0.207    233.0
2016.0     0.198    240.3
2017.0     0.188    248.3
2018.0     0.176    257.3
2019.0     0.164    267.7
2020.0     0.150    279.8
2021.0     0.137    294.2
2022.0     0.124    311.7
2023.0     0.114    332.8
2024.0     0.106    357.7
2025.0     0.103     25.3
2026.0     0.105     53.1
2027.0     0.113     78.3
2028.0     0.125     99.4
2029.0     0.140    116.4
2030.0     0.154    130.2
2031.0     0.169    141.6
2032.0     0.182    151.3
2033.0     0.193    159.7
2034.0     0.203    167.3
2035.0     0.212    174.2
2036.0     0.218    180.7
2037.0     0.223    186.8
2038.0     0.227    192.6

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.