Your guide to the Solar System
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The Sun

Available Resources

Are There Sunspots Today?

Here is a recent image of the Sun's surface showing the current sunspot activity:

The Sun Physical Data

The following shows the known values of the most important physical parameters of The Sun. Source: JPL Small-Body Database

Physical Parameter Value Relative to Earth
Diameter 1391684 km 109.2202
Mass 1989000 x 1024 kg 333,043.6574
Density 1.41 gr/cm3 0.2557
Escape Velocity 618.02 km/s 55.2297
Sideral Rotation 587.2800 hours 24.5370
Absolute Magnitude -26.8

The Sun 15 Days Ephemeris

The following table lists the ephemerides of The Sun computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate The Sun in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Apparent DiameterDiameter Constellation
2019 May 17 03h 32m 56s +19° 09’ 02” -26.72 1,897.7” Taurus
2019 May 18 03h 36m 54s +19° 22’ 37” -26.72 1,897.3” Taurus
2019 May 19 03h 40m 51s +19° 35’ 54” -26.72 1,897.0” Taurus
2019 May 20 03h 44m 52s +19° 48’ 51” -26.72 1,896.6” Taurus
2019 May 21 03h 48m 51s +20° 01’ 27” -26.72 1,896.2” Taurus
2019 May 22 03h 52m 50s +20° 13’ 41” -26.72 1,895.8” Taurus
2019 May 23 03h 56m 52s +20° 25’ 36” -26.72 1,895.4” Taurus
2019 May 24 04h 00m 53s +20° 37’ 09” -26.72 1,895.1” Taurus
2019 May 25 04h 04m 54s +20° 48’ 23” -26.71 1,894.7” Taurus
2019 May 26 04h 08m 57s +20° 59’ 13” -26.71 1,894.4” Taurus
2019 May 27 04h 13m 00s +21° 09’ 43” -26.71 1,894.0” Taurus
2019 May 28 04h 17m 03s +21° 19’ 50” -26.71 1,893.7” Taurus
2019 May 29 04h 21m 07s +21° 29’ 36” -26.71 1,893.4” Taurus
2019 May 30 04h 25m 11s +21° 38’ 59” -26.71 1,893.0” Taurus