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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:54:29

Orbital Elements for YR23

WDS:	YR23	WDS ID/Discoverer
P:	47.730	Orbital period (years)
a:	0.368	Semi-major axis (arcseconds)
i:	123.3	Inclination (degrees)
Ω:	62.1	Longitude of ascending node (degrees)
T:	2038.430	Epoch of periastron passage (year)
e:	0.616	Eccentricity
ω:	285.1	Longitude of periastron (degrees)
Start-Year:	2002.0	Year
End-Year:	2048.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for YR23

Position:	034938.68-021942.5	Epoch-2000 right ascension and declination
WDS-ID:	03496-0220	WDS designation
Discoverer Code:	YR23	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	24031	HD catalog number
Hipparcos number:	17895	Hipparcos catalog number
V1:	7.73	Magnitude of the primary
V2:	8.29	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2022	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for YR23

WDS 6th Orbit including measures of YR23

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

Ephemeris of YR23

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.397    274.0
-------------------------
2002.0     0.286      3.2
2003.0     0.289    357.8
2004.0     0.292    352.6
2005.0     0.295    347.5
2006.0     0.299    342.4
2007.0     0.303    337.6
2008.0     0.308    332.9
2009.0     0.314    328.3
2010.0     0.320    323.9
2011.0     0.327    319.7
2012.0     0.333    315.6
2013.0     0.340    311.7
2014.0     0.347    308.0
2015.0     0.354    304.4
2016.0     0.361    300.9
2017.0     0.368    297.6
2018.0     0.374    294.4
2019.0     0.380    291.3
2020.0     0.385    288.3
2021.0     0.390    285.3
2022.0     0.393    282.5
2023.0     0.396    279.6
2024.0     0.397    276.8
2025.0     0.397    274.0
2026.0     0.396    271.2
2027.0     0.392    268.4
2028.0     0.386    265.5
2029.0     0.378    262.4
2030.0     0.366    259.2
2031.0     0.351    255.8
2032.0     0.331    252.0
2033.0     0.306    247.7
2034.0     0.274    242.4
2035.0     0.233    235.6
2036.0     0.182    225.3
2037.0     0.123    205.6
2038.0     0.079    155.8
2039.0     0.109     97.6
2040.0     0.163     72.9
2041.0     0.204     59.8
2042.0     0.232     50.6
2043.0     0.250     43.0
2044.0     0.262     36.2
2045.0     0.270     30.0
2046.0     0.275     24.0
2047.0     0.279     18.3

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.