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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:24:17

Orbital Elements for RST4529

WDS:	RST4529	WDS ID/Discoverer
P:	22.890	Orbital period (years)
a:	0.24	Semi-major axis (arcseconds)
i:	50.55	Inclination (degrees)
Ω:	11.03	Longitude of ascending node (degrees)
T:	2016.560	Epoch of periastron passage (year)
e:	0.501	Eccentricity
ω:	123.98	Longitude of periastron (degrees)
Start-Year:	2014.0	Year
End-Year:	2036.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST4529

Position:	143100.74-054808.3	Epoch-2000 right ascension and declination
WDS-ID:	14310-0548	WDS designation
Discoverer Code:	RST4529	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	127352	HD catalog number
Hipparcos number:	70973	Hipparcos catalog number
V1:	8.81	Magnitude of the primary
V2:	8.39	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for RST4529

WDS 6th Orbit including measures of RST4529

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

Ephemeris of RST4529

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.228    304.2
-------------------------
2014.0     0.180     28.6
2015.0     0.122     51.1
2016.0     0.080    107.7
2017.0     0.112    169.1
2018.0     0.149    198.1
2019.0     0.164    218.1
2020.0     0.170    235.8
2021.0     0.176    252.5
2022.0     0.184    267.9
2023.0     0.196    281.8
2024.0     0.211    293.8
2025.0     0.228    304.2
2026.0     0.245    313.1
2027.0     0.262    320.8
2028.0     0.277    327.7
2029.0     0.289    333.9
2030.0     0.298    339.7
2031.0     0.302    345.2
2032.0     0.302    350.7
2033.0     0.295    356.2
2034.0     0.281      2.2
2035.0     0.257      9.1

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.