Decrease font size Increase font size Print this page

Understanding > Astronomical calculations

Total eclipse of the Sun of 2 July 2019

Presentation of the eclipse






Description of the eclipse


The central line begins at the east of New Zealand, through the southern Pacific Ocean and ends in Argentina. The maximum duration of the centrality of 4m 32.8 s.



Elements of the eclipse


Ephemeris used to calculate positions of the Sun and the Earth are from the ephemeris Newcomb/ILE. For this calculation the value of TE-TU was exceptionally forced at 76.2 sec.



Instant of the geocentric conjunction in right ascension : the 2 July 2019 at 19h 21m 36.4s UT.


Julian day : 2458667.306672

Characteristics Values
Right ascension of the Sun : 6h 46m 14.7s.
Declination of the Sun : +23° 0' 36.5".
Right ascension of the Moon : 6h 46m 17.8s.
Declination of the Moon : +22° 22'9.7".
Equatorial parallax of the Sun  :  8.6".
Equatorial parallax of the Moon : 59' 37.8".
True semi-diameter of the Sun  : 15' 43.8".
True semi-diameter of the Moon : 16' 14.9".


General circumstances of the eclipse


Magnitude : 1.0459

Circumstance UT Longitude Latitude
Beginning of the general eclipse le 2 at  16h 55m 8.1s    
Maximum of the eclipse le 2 at  19h 22m 53,0s 108°58,8'W -17° 22.7'
End of the general eclipse le 2 at 21h 50m 33.8s    


General map of visibility