Sky Tonight
ST
Location settings
Santa Clara, US
37.4°/-122°
GMT -9
Waning18:24 - 03:46
  ⌕
☾
☰
Sky-Tonight.com / Solar System / Planets / Mercury
  • 🌐 EN
    ENDEESFRPT中文
  • Tonight
    • Brightest Planets and Stars Tonight
  • Solar System
    • Sun
    • Real-Time Sun Map
    • Sunspots Activity
    • Aurora Activity
    • Moon
    • Interactive Lunar Map
    • Planets
    • Mercury
    • Venus
    • Mars
    • Jupiter
    • Saturn
    • Satellite Flyovers
    • ISS
    • Close Approaches
  • Small Bodies
    • Asteroids
    • Comets
    • Recently Updated Comets
  • Stars
    • Brightest Stars
  • Meteor Showers
    • Active Meteor Showers
    • Major Meteor Showers
  • Solar Eclipses
    • Future Solar Eclipses
    • Past Solar Eclipses
  • Lunar Eclipses
    • Future Lunar Eclipses
    • Past Lunar Eclipses
  • Deep Sky Objects
    • Seasonal Nebulae
    • Messier Objects
    • Nebulae
    • Star Clusters
    • Galaxies
  • Double Stars
    • Naked-eye
    • Binocular
    • Physical pairs
    • Color-contrasting
    • Triple systems
    • Multiple systems
  • Constellations
    • Visible Tonight
    • Seasonal
    • Ecliptic
    • All 88 Constellations
  • Maps
    • Mars Map
    • Mercury Map
    • Earth
    • Cloud Cover Map
  • Contact Us
    • Feedback

Observation Settings

Or select it on the map:
This Earth map lets you select the observer’s location used to calculate the bearing and elevation of celestial objects. The selected point determines how the sky, rise and set times, and object positions are shown.
Your location: Santa Clara, United States
Timezone:
Latitude:
37.3541
Longitude:
-121.955

Mercury Tonight: Visibility, Position and Best Viewing Time

Is Mercury Visible Tonight?

From your location, Mercury is rises at sunrise. The current position, altitude, direction, and tonight’s rise and set times are shown below.

When Is the Best Time to See Mercury Tonight?

Mercury does not reach 5° above the horizon during tonight’s practical observing window, so conditions remain less favorable.

When Will Mercury Be Visible Again?

Mercury will become visible again around November 10 after moving far enough from the Sun. see when Mercury is visible throughout the year.

When Is Mercury’s Next Greatest Elongation?

The next greatest elongation of Mercury is on October 13. Around greatest elongation, the planet appears farthest from the Sun in the sky and is generally easier to observe.

Mercury

Where is Mercury right now?

Mercury is located in the constellation Virgo, approximately 1.37 AU (205,023,882 km) from Earth. Although Mercury is currently 21° above the horizon, it is not visible because it is daytime.
Open the interactive guide to Mercury’s position and path tonight

Mercury visibility on 2026-09-08

Mercury Rises at sunrise

Mercury rise and set timetable

TimeElevation
Moonrise, 21% illuminated 00:35-47°
Mercury transit11:4356°
Moonset15:3826°
Sunset17:265°
Mercury set17:52
Astronomical observing session begins18:56-13°
Astronomical observing session ends03:14-27°
Mercury rise05:38

Track Mercury Position Throughout the Night

← 8 September 2026 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe Mercury changing position in the night sky.

Upcoming Events

TimeDescriptionConstellation
12 October 2026Greatest elongation of MercuryLibra
24 October 2026Retrograde motion of Mercury beginsLibra
5 November 2026 at 15:00Libra
13 November 2026Retrograde motion of Mercury endsVirgo
21 November 2026Greatest elongation of MercuryLibra

Current position in the Solar System: Mercury

Earth Mercury
DateTue, 8 September 2026
Distance from Earth1.3695 AU (204,874,284km)
Elongation10°
Angular diameter4.9"
Magnitude-0.9
This interactive projection shows the object, Earth and the Sun in the Solar System. Slide it left or right to change the date and follow their orbital motion.

Finder Chart for Mercury

Double-click to unlock the map.
Object nameMercury
Field of view
Limiting magnitude
Mercury coordinates11.71161, 3.01156
Center coordinates11.71161, 3.01156

Mercury Passage Through Night

Double-click to unlock the map.

Current position of Mercury

Time07:18
Latitude37.3541
Longitude-121.955
Elevation21°
Azimuth103°
Here you can see the current position of Mercury on the map, as well as its positions for rise and set. This tool lets you track its movement throughout the night with accurate, up-to-date information.

When Is Mercury Visible Throughout the Year?


Mercury will become visible again around November 10 after moving far enough from the Sun.
Time
DateTue, 8 September 2026
Twilight start18:52
Twilight end03:08
Twilight duration8h 16m
Rise05:33
Set17:48
Elevation at transit55°
Transit time11:40
Equatorial coordinatesRA: 11h 44m 42s", Dec: 02° 45' 37s
Magnitude-1
ConstellationVirgo
The graph illustrates the annual visibility pattern of Mercury, including its daily appearances and transit times. The vertical axis shows the hours of the day and the horizontal axis spans the year. The reddish area marks when the object is above the horizon, while the white line marks its daily transit.
You can also see when Mercury is visible throughout the year in a table with exact rise, transit, and set times for each date.

Astrometric and Physical Parameters of Mercury

Coordinates and Visibility

Right Ascension11h 42m 42s
Declination03° 00′ 42″
Magnitude-0.9
ConstellationVirgo
Elevation20.6°
Azimuth102.5°
Distance to Earth1.3705 AU
Angular diameter4.9″
Elongation from Sun9.8°
Illuminated fraction95.5%

Basic Properties

Mass, kg3.302E+23
Mean density, g/cm³5.427

Rotation

Sidereal rotation period, days58.6463
Mean solar day, days175.9421

Surface and Atmosphere

Surface gravity, m/s²3.701
Escape velocity, km/s4.435
Mean temperature, K440

Brightness

Visual magnitude V(1,0)-0.42

Data Acknowledgment

Solar-system physical and orbital parameters are provided by the Solar System OpenData API , maintained by Le Système Solaire. We thank its contributors for making these open data available.

More about Mercury

  • Where is Mercury right now?
  • When Is Mercury Visible Throughout the Year?
  • Close Approaches of Mercury