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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:43:29

Orbital Elements for YSC62

WDS:	YSC62	WDS ID/Discoverer
P:	14.108	Orbital period (years)
a:	0.298	Semi-major axis (arcseconds)
i:	114.46	Inclination (degrees)
Ω:	61.01	Longitude of ascending node (degrees)
T:	2006.502	Epoch of periastron passage (year)
e:	0.5087	Eccentricity
ω:	200.72	Longitude of periastron (degrees)
Start-Year:	2018.0	Year
End-Year:	2032.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for YSC62

Position:	170740.84+072206.6	Epoch-2000 right ascension and declination
WDS-ID:	17077+0722	WDS designation
Discoverer Code:	YSC62	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	9.25	Magnitude of the primary
V2:	10.0	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 YSC62

WDS 6th Orbit including measures of YSC62

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

Ephemeris of YSC62

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.399     63.9
-------------------------
2018.0     0.148      3.1
2019.0     0.109    305.8
2020.0     0.149    254.4
2021.0     0.104    210.6
2022.0     0.121    106.0
2023.0     0.246     79.3
2024.0     0.339     69.8
2025.0     0.399     63.9
2026.0     0.430     59.3
2027.0     0.435     55.0
2028.0     0.417     50.6
2029.0     0.377     45.5
2030.0     0.318     38.8
2031.0     0.241     28.4

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.