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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:08:11

Orbital Elements for YSC96

WDS:	YSC96	WDS ID/Discoverer
P:	36.800	Orbital period (years)
a:	0.123	Semi-major axis (arcseconds)
i:	36.0	Inclination (degrees)
Ω:	86.0	Longitude of ascending node (degrees)
T:	2006.500	Epoch of periastron passage (year)
e:	0.13	Eccentricity
ω:	94.0	Longitude of periastron (degrees)
Start-Year:	2007.0	Year
End-Year:	2043.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for YSC96

Position:	115351.41+140146.7	Epoch-2000 right ascension and declination
WDS-ID:	11539+1402	WDS designation
Discoverer Code:	YSC96	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	103311	HD catalog number
Hipparcos number:	58006	Hipparcos catalog number
V1:	7.9	Magnitude of the primary
V2:	10.0	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for YSC96

WDS 6th Orbit including measures of YSC96

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

Ephemeris of YSC96

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.113      1.9
-------------------------
2007.0     0.087    188.8
2008.0     0.091    203.8
2009.0     0.096    217.6
2010.0     0.102    229.8
2011.0     0.108    240.7
2012.0     0.113    250.4
2013.0     0.117    259.4
2014.0     0.120    267.8
2015.0     0.122    275.8
2016.0     0.123    283.7
2017.0     0.123    291.6
2018.0     0.121    299.6
2019.0     0.120    307.7
2020.0     0.118    316.2
2021.0     0.116    324.9
2022.0     0.114    333.9
2023.0     0.113    343.1
2024.0     0.112    352.5
2025.0     0.113      1.9
2026.0     0.114     11.2
2027.0     0.115     20.2
2028.0     0.117     29.0
2029.0     0.119     37.5
2030.0     0.122     45.7
2031.0     0.123     53.6
2032.0     0.125     61.3
2033.0     0.125     68.9
2034.0     0.124     76.5
2035.0     0.123     84.3
2036.0     0.119     92.4
2037.0     0.115    101.0
2038.0     0.110    110.4
2039.0     0.104    120.8
2040.0     0.097    132.6
2041.0     0.092    145.8
2042.0     0.088    160.5

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.