Observation details: asteroid Juno
Daily motion of Juno
3 Juno will remain visible until December 20, when it moves too close to the Sun and temporarily disappears from the night sky.
Juno visibility on 2026-10-17
Juno Visible from sunset until before midnight
Juno rise and set timetable
| Time | Elevation | |
Moonrise, 25.9% illuminated  | 11:16 | -9° |
| Juno rise | 12:05 | |
| Sunset | 16:27 | 38° |
| Civil sunset | 16:55 | 39° |
| Juno transit | 17:22 | 39° |
| Twilight start (−12°) | 17:25 | 39° |
| Astronomical observing session begins | 17:55 | 39° |
| Moonset | 20:29 | 23° |
| Juno set | 22:39 | |
| Astronomical observing session ends | 03:51 | -59° |
Track Juno position throughout the night
← 17 October 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Juno changing position in the night sky.
Juno Description
This asteroid is designated 3 Juno, main-belt asteroid Its diameter is approximately 246 km. 3 Juno completes an orbit around the Sun in 4.4 years. It is currently 2.3 AU (344,073,607 km) from Earth, and is located in the constellation Sagittarius.Current position in the Solar System: Juno
| Date | Sat, 17 October 2026 |
| Distance from Earth | 2.29999 AU (344,073,607km) |
| Elongation | 95° |
| Angular diameter | " |
| Magnitude | 9.9 |
Finder Chart for
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| Object name | |
| Field of view | |
| Limiting magnitude | |
| coordinates | 19.94887, -13.46642 |
| Center coordinates | 19.94887, -13.46642 |
Annual motion of Juno
| Date | Sun, 18 October 2026 |
| Twilight start | 17:54 |
| Twilight end | 03:49 |
| Twilight duration | 10h 55m |
| Rise | 12:02 |
| Set | 22:36 |
| Elevation at transit | 39° |
| Transit time | 17:19 |
| Equatorial coordinates | RA: 19h 57m 45s", Dec: -13° 31' 10s |
| Magnitude | 10 |
| Constellation | Sagittarius |
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.
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 3 Juno
Coordinates and Visibility
| Right Ascension | 19h 56m 56s |
| Declination | -13° 27′ 59″ |
| Magnitude | 9.9 |
| Constellation | Sagittarius |
| Elevation | 18.3° |
| Azimuth | 235.8° |
Physical properties
| Mean radius | 120 |
| Mass | 2.82E+19 |
| Density | 1 |
Orbital parameters
| Sidereal orbital period | 1593.926 |
Data acknowledgment
Physical and orbital parameters come from the Solar System OpenData API maintained by Le Système Solaire. We thank its contributors for making these data available.
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.