Your guide to the Solar System and the night sky
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🌎  Greenwich, United Kingdom [change]

The Moon

The Moon is currently in the constellation of Gemini. The current Right Ascension of The Moon is 08h 23m 56s and the Declination is +23° 04’ 36” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom [change]). The current magnitude of The Moon is -9.02 (JPL).

Summary of key facts about The Moon [tip: you can also create a Quick Access page for this data if you access it frequently and would like to have a simpler view]:

08h 23m 56s
+23° 04’ 36”
Gemini
-9.02

If you need to access this information frequently for your observations, you can create a simple customized Quick Access page, so that you can easily bookmark it in your browser favorites or add a shortcut to your mobile phones' home screen.

Additional information about The Moon available on TheSkyLive:

Available Resources

What Phase is the Moon in?

Today the Moon is Waxing Crescent and its age is 5.44 days.

Phase: Waxing Crescent  Age: 5.44 days
Current Moon Sky Map

The Moon Position and Finder Charts

Below we provide The Moon finder charts showing where the object is right now in the sky with respect to the brightest stars. The first finder chart has a field of view of 50 degrees, while the second one has a field of view of 10 degrees. Click on each finder chart to access a full screen interactive Online Planetarium.

Map showing The Moon in Gemini on May, 17 2021
Field of view: 50x30 degrees
View fullscreen
Map showing The Moon in Gemini on May, 17 2021
Field of view: 10x6 degrees
View fullscreen
 = visible to the naked eye
 = binocular, brighter than 10th magnitude
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

Also check out Where is The Moon?, a page that provides all the information needed to find The Moon in the sky and additional links to sky charts.

The Moon Distance from Earth

The distance of The Moon from Earth is currently 393,952 kilometers, equivalent to 0.002633 Astronomical Units. Light takes 1.3141 seconds to travel from The Moon and arrive to us.

393,952
0.002633
1.3141 seconds

The following chart shows the distance of The Moon from Earth as a function of time. In the chart the distance data is measured in Astronomical Units and sampled with an interval of 1 day.

Distance of The Moon from Earth between January 2013 and December 2100

The value of the reported distance might be somewhat inaccurate around the times of closest approach for objects passing extremely close to Earth.

Closest approach of The Moon to Earth

Between January 2013 and December 2100, the closest approach of The Moon to Earth happens on Sun Nov 26 2034 at a distance of 0.002383 Astronomical Units, or 356,452 kilometers:

Sun Nov 26 2034
356,452
0.002383

NOTE: values for the closest approach are computed with a sampling interval of 1 day.

The Moon brightness

The current visual magnitude of The Moon is -9.02.

-9.02
1,819.0”

The following chart is the predicted light curve (visual magnitude as a function of time) of The Moon, according to the most recent ephemerides data. Magnitude data is sampled with a 2 days interval and there might be inaccuracies for objects changing brightness very rapidly during the course of a few days. For comets there could be large discrepancies between the observed and predicted brightness because of their highly dynamic behaviour.

Predicted magnitude of The Moon between January 2013 and December 2100

The Moon rise and set times

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's The Moon rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 65.5°
Max altitude: 62.3°
Azimuth: 294.9°

The rise and set times are defined as the time at which the upper limb of The Moon touches the horizon, considering the effect of the atmospheric refraction. As the atmospheric conditions cannot be modeled precisely the times reported here should be considered correct with an approximation of few minutes.

The Moon Physical Data

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

Physical Parameter Value Relative to Earth
Diameter 3474.2 km 0.2727
Mass 0.07342 x 1024 kg 0.0123
Density 3.344 gr/cm3 0.6065
Escape Velocity 2.38 km/s 0.2127
Sideral Rotation 655.7199 hours 27.3965
Absolute Magnitude -12.6
Geometric Albedo 0.136

The Moon 15 Days Ephemeris

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

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Apparent DiameterDiameter Constellation
2021 May 10 01h 55m 50s +08° 11’ 57” -5.79 1,768.2” Pisces
2021 May 11 02h 40m 08s +12° 55’ 05” -4.72 1,764.0” Aries
2021 May 12 03h 25m 54s +17° 08’ 49” -4.03 1,762.8” Taurus
2021 May 13 04h 13m 40s +20° 42’ 24” -5.14 1,764.5” Taurus
2021 May 14 05h 03m 33s +23° 25’ 04” -6.17 1,769.2” Taurus
2021 May 15 05h 55m 23s +25° 06’ 47” -7.06 1,777.1” Taurus
2021 May 16 06h 48m 41s +25° 39’ 41” -7.84 1,788.6” Gemini
2021 May 17 07h 42m 37s +24° 59’ 08” -8.53 1,803.9” Gemini
2021 May 18 08h 36m 20s +23° 04’ 39” -9.15 1,823.2” Cancer
2021 May 19 09h 29m 18s +19° 59’ 48” -9.70 1,846.4” Leo
2021 May 20 10h 21m 16s +15° 51’ 30” -10.20 1,873.1” Leo
2021 May 21 11h 12m 28s +10° 49’ 26” -10.66 1,902.1” Leo
2021 May 22 12h 03m 28s +05° 05’ 48” -11.10 1,931.8” Virgo
2021 May 23 12h 55m 09s -01° 04’ 06” -11.51 1,959.8” Virgo