Sky Tonight
ST
Location settings
Santa Clara, US
37.4°/-122°
GMT -9
Waning21:42 - 03:48
⌕
Go to My SkyLog in
☾
☰
Sky-Tonight.com / Solar System / Planets / Neptune
  • 🌐 EN
    ENDEESFRPT中文
  • Tonight
    • Brightest Planets and Stars Tonight
    • Milky Way 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

Neptune Tonight: Visibility, Position and Best Viewing Time

Is Neptune Visible Tonight?

From your location, Neptune is visible from evening until sunrise. The current position, altitude, direction, and tonight’s rise and set times are shown below.

When Is the Best Time to See Neptune Tonight?

The earliest practical time to observe Neptune tonight is around 21:42, when it is already about 40° above the horizon. It reaches its highest point of about 53° around 00:02.

When Is Neptune’s Next Opposition?

The next opposition of Neptune is on September 26. Around opposition, the planet is opposite the Sun in the sky and is generally at its best for observing.

Neptune

Where is Neptune right now?

Neptune is located in the constellation Pisces, approximately 28.91 AU (4,324,724,844 km) from Earth. It is currently above the horizon at an altitude of 40° toward the south-east, with an apparent magnitude of 7.7.
Twilight begins at 21:42 local time. At that moment, Neptune will be 40° above the horizon toward the south-east.
Open the interactive guide to Neptune’s position and path tonight

Neptune visibility on 2026-09-10

Neptune Visible from evening until sunrise

Neptune rise and set timetable

TimeElevation
Moonrise, 5.8% illuminated 03:0335°
Moonset16:43-16°
Neptune rise18:05
Twilight start (−12°)18:213°
Astronomical observing session begins18:539°
Neptune transit00:0453°
Astronomical observing session ends03:1632°
Twilight end (−12°)03:4826°
Civil sunrise04:1921°
Sunrise04:4715°
Neptune set06:04

Track Neptune position throughout the night

← 10 September 2026 →

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

Upcoming Events

TimeDescriptionConstellation
26 September 2026Neptune is at oppositionPisces
13 December 2026Retrograde motion of Neptune endsPisces
25 March 2027 at 15:00Pisces
10 July 2027Retrograde motion of Neptune beginsPisces

Current position in the Solar System: Neptune

Earth Neptune
DateThu, 10 September 2026
Distance from Earth28.91 AU (4,324,874,442km)
Elongation164°
Angular diameter2.4"
Magnitude7.7
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 Neptune

Double-click to unlock the map.
Object nameNeptune
Field of view
Limiting magnitude
Neptune coordinates0.24732, 0.06375
Center coordinates0.24732, 0.06375

Neptune Passage Through Night

Double-click to unlock the map.

Current position of Neptune

Time21:42
Latitude37.3541
Longitude-121.955
Elevation40°
Azimuth130°
Here you can see the current position of Neptune 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 Neptune Visible Throughout the Year?


Neptune will remain visible until March 7, when it moves too close to the Sun and temporarily disappears from the night sky.
Time
DateFri, 11 September 2026
Astronomical observing session begins18:51
Astronomical observing session ends03:15
Astronomical observing duration8h 24m
Rise18:01
Set06:00
Elevation at transit53°
Transit time00:00
Equatorial coordinatesRA: 00h 14m 46s", Dec: 00° 03' 21s
Magnitude8
ConstellationPisces
The graph illustrates the annual visibility pattern of Neptune, 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 Neptune is visible throughout the year in a table with exact rise, transit, and set times for each date.

Astrometric and Physical Parameters of Neptune

Coordinates and Visibility

Right Ascension00h 14m 50s
Declination00° 03′ 50″
Magnitude7.7
ConstellationPisces
Elevation40.2°
Azimuth130°
Distance to Earth28.909 AU
Angular diameter2.4″
Elongation from Sun164.1°
Illuminated fraction100%

Basic Properties

Mass, kg1.02409E+26
Mean density, g/cm³1.638

Orbit

Orbital period, days60189

Rotation

Sidereal rotation period, days16.11+-0.01 hr

Surface and Atmosphere

Surface gravity, m/s²11.41+-0.03
Escape velocity, km/s23.5 km/s
Mean temperature, K72+-2 K

Brightness

Visual magnitude V(1,0)-6.87

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 Neptune

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