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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:30:17

Orbital Elements for RST5253AB

WDS:	RST5253AB	WDS ID/Discoverer
P:	50.660	Orbital period (years)
a:	0.217	Semi-major axis (arcseconds)
i:	72.2	Inclination (degrees)
Ω:	148.8	Longitude of ascending node (degrees)
T:	2006.360	Epoch of periastron passage (year)
e:	0.038	Eccentricity
ω:	87.5	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 RST5253AB

Position:	065720.36-492907.2	Epoch-2000 right ascension and declination
WDS-ID:	06573-4929	WDS designation
Discoverer Code:	RST5253AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	52118	HD catalog number
Hipparcos number:	33455	Hipparcos catalog number
V1:	10.25	Magnitude of the primary
V2:	10.35	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for RST5253AB

WDS 6th Orbit including measures of RST5253AB

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

Ephemeris of RST5253AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.169    344.7
-------------------------
2000.0     0.169    162.8
2001.0     0.152    166.7
2002.0     0.133    171.8
2003.0     0.114    178.5
2004.0     0.095    187.9
2005.0     0.078    201.9
2006.0     0.066    222.0
2007.0     0.064    246.6
2008.0     0.073    269.0
2009.0     0.088    285.1
2010.0     0.107    296.0
2011.0     0.126    303.5
2012.0     0.145    309.1
2013.0     0.163    313.4
2014.0     0.179    316.9
2015.0     0.192    319.9
2016.0     0.203    322.5
2017.0     0.211    324.9
2018.0     0.215    327.1
2019.0     0.217    329.3
2020.0     0.216    331.5
2021.0     0.212    333.7
2022.0     0.205    336.1
2023.0     0.195    338.6
2024.0     0.183    341.5
2025.0     0.169    344.7
2026.0     0.153    348.7
2027.0     0.136    353.6
2028.0     0.118    359.9
2029.0     0.101      8.4
2030.0     0.085     20.3
2031.0     0.074     36.8
2032.0     0.069     57.3
2033.0     0.073     78.2
2034.0     0.083     95.3
2035.0     0.099    107.8
2036.0     0.116    116.7
2037.0     0.134    123.3
2038.0     0.151    128.4
2039.0     0.167    132.4
2040.0     0.181    135.8
2041.0     0.194    138.7
2042.0     0.203    141.3
2043.0     0.211    143.7
2044.0     0.215    145.9
2045.0     0.216    148.1
2046.0     0.215    150.3
2047.0     0.210    152.6
2048.0     0.203    154.9
2049.0     0.192    157.6

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.