Understanding > Astronomical calculations
Total solar eclipse on 11 July 2010
Presentation of the eclipse
Description of the eclipse
The central line begins in the South Pacific ocean and ends in Chile. The maximum duration of the centrality is 5m 20.2s.
Elements of the eclipse
Ephemeris used to calculate positions of the Sun and Earth are the ephemeris Newcomb/ILE. For this calculation the value of TE-TU was exceptionally forced at 67.1 sec.
Instant of the geocentric conjunction in right ascension : the 11 July 2010 at 19h 50m 57.5s UT.
Julian day : : 2455389.327055
| Characteristics | Values |
|---|---|
| Right ascension of the Sun : | 7h 23m 57.6s. |
| Declination of the Sun : | +22° 02' 11.0". |
| Right ascension of the Moon : | 7h 23m 15.8s. |
| Declination of the Moon : | +21° 22' 28.7". |
| Equatorial parallax of the Sun : | 8.7". |
| Equatorial parallax of the Moon : | 1° 00' 20.9". |
| True semi-diameter of the Sun : | 15' 43.9". |
| True semi-diameter of the Moon : | 16' 26.6". |
General circumstances of the eclipse
Magnitude : 1.0580
| Circumstances | UT | Longitude | Latitude |
|---|---|---|---|
| Beginning of the general eclipse | the 11 at 17h 9m 40.5s | ||
| Maximum of the eclipse | the 11 at 19h 33m 33.6s | 121 °52.9'W | +19° 45.7' |
| End of the general eclipse | the 11 at 21h 57m 15.8s |
General map
