The Sun
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 |