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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:24:36

Orbital Elements for YSC6

WDS:	YSC6	WDS ID/Discoverer
P:	57.600	Orbital period (years)
a:	0.199	Semi-major axis (arcseconds)
i:	40.5	Inclination (degrees)
Ω:	246.2	Longitude of ascending node (degrees)
T:	2044.000	Epoch of periastron passage (year)
e:	0.122	Eccentricity
ω:	33.0	Longitude of periastron (degrees)
Start-Year:	1997.0	Year
End-Year:	2053.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for YSC6

Position:	143258.09+065559.3	Epoch-2000 right ascension and declination
WDS-ID:	14330+0656	WDS designation
Discoverer Code:	YSC6	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	127741	HD catalog number
Hipparcos number:	71142	Hipparcos catalog number
V1:	7.56	Magnitude of the primary
V2:	9.86	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 YSC6

WDS 6th Orbit including measures of YSC6

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

Ephemeris of YSC6

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.163    146.9
-------------------------
1997.0     0.154      5.1
1998.0     0.160     12.7
1999.0     0.168     19.6
2000.0     0.175     26.0
2001.0     0.182     31.8
2002.0     0.189     37.2
2003.0     0.196     42.3
2004.0     0.202     47.0
2005.0     0.207     51.5
2006.0     0.211     55.7
2007.0     0.215     59.8
2008.0     0.217     63.8
2009.0     0.219     67.8
2010.0     0.219     71.6
2011.0     0.219     75.5
2012.0     0.218     79.4
2013.0     0.216     83.4
2014.0     0.213     87.4
2015.0     0.210     91.6
2016.0     0.205     96.0
2017.0     0.201    100.5
2018.0     0.196    105.2
2019.0     0.191    110.2
2020.0     0.185    115.5
2021.0     0.180    121.1
2022.0     0.175    127.1
2023.0     0.170    133.4
2024.0     0.166    140.0
2025.0     0.163    146.9
2026.0     0.160    154.1
2027.0     0.159    161.4
2028.0     0.158    168.9
2029.0     0.159    176.3
2030.0     0.160    183.7
2031.0     0.162    190.9
2032.0     0.165    197.9
2033.0     0.168    204.6
2034.0     0.171    211.1
2035.0     0.174    217.4
2036.0     0.176    223.5
2037.0     0.178    229.5
2038.0     0.179    235.4
2039.0     0.179    241.2
2040.0     0.178    247.1
2041.0     0.175    253.1
2042.0     0.172    259.2
2043.0     0.168    265.7
2044.0     0.163    272.5
2045.0     0.158    279.7
2046.0     0.153    287.4
2047.0     0.148    295.7
2048.0     0.144    304.5
2049.0     0.141    313.7
2050.0     0.139    323.3
2051.0     0.139    333.0
2052.0     0.141    342.5

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.