Sky Tonight
ST
Location settings
Santa Clara, US 37.4°/-122°
GMT -9
Waxing17:47 - 04:26
⌕
Go to My SkyLog in
☾
☰
Sky-Tonight.com / Asteroids / Dione
  • 🌐 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

Observation details: asteroid Dione

Dione

Daily motion of Dione

From your location, Dione is Visible from sunset until early morning. Its current altitude, direction, rise and set times, and finder chart are shown below.
106 Dione will remain visible until February 24, when it moves too close to the Sun and temporarily disappears from the night sky.

Dione visibility on 2026-10-23

Dione Visible from sunset until early morning

Dione rise and set timetable

TimeElevation
Moonrise, 80.5% illuminated 14:26-7°
Dione rise15:04
Sunset16:2014°
Civil sunset16:4719°
Twilight start (−12°)17:1825°
Astronomical observing session begins17:4829°
Dione transit20:3544°
Dione set02:07
Moonset02:40-7°
Astronomical observing session ends03:56-22°

Track Dione position throughout the night

← 23 October 2026 →

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

Dione Description

This asteroid is designated 106 Dione, main-belt asteroid Its diameter is approximately 208 km. 106 Dione completes an orbit around the Sun in 5.7 years. It is currently 1.881 AU (281,393,595 km) from Earth, and is located in the constellation Aquarius.

Current position in the Solar System: Dione

Earth Dione
DateFri, 23 October 2026
Distance from Earth1.881 AU (281,393,595km)
Elongation141°
Angular diameter"
Magnitude12.08
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 Dione

Field of view 5.0°

Loading finder chart…
Loading interactive map…

Open the full sky map

Annual motion of Dione

Time
DateSat, 24 October 2026
Twilight start17:46
Twilight end03:54
Twilight duration10h 8m
Rise14:59
Set02:03
Elevation at transit44°
Transit time20:31
Equatorial coordinatesRA: 23h 34m 15s", Dec: -8° 52' 42s
Magnitude12
ConstellationAquarius
The graph summarizes the object’s annual visibility, daily observing windows and transit times.
The vertical axis shows time of day and the horizontal axis shows the days of the year.
The shaded area marks when the object is above the horizon; the white line marks daily transit. You can also view the detailed annual visibility table.

Astrometric and Physical Parameters of 106 Dione

Coordinates and Visibility

Right Ascension23h 34m 37s
Declination-8° 52′ 59″
Magnitude12.08
ConstellationAquarius
Elevation29.2°
Azimuth130.4°

Acknowledgments

Orbital and small-body data are provided by NASA Jet Propulsion Laboratory (JPL) Small-Body Database (SBDB) and Center for Near-Earth Object Studies (CNEOS). These resources support accurate positions, orbits and physical characteristics.