Observation details: asteroid Unitas
Daily motion of Unitas
306 Unitas will remain visible until February 3, when it moves too close to the Sun and temporarily disappears from the night sky.
Unitas visibility on 2026-08-18
306 Unitas Visible from sunset until sunrise
Unitas rise and set timetable
| Time | Elevation | |
Moonrise, 21% illuminated  | 09:49 | -65° |
| Unitas rise | 17:29 | |
| Sunset | 17:55 | 5° |
| Civil sunset | 18:24 | 10° |
| Twilight start | 18:57 | 16° |
| Astronomical observing session begins | 19:32 | 21° |
| Moonset | 20:26 | 29° |
| Unitas transit | 22:39 | 37° |
| Astronomical observing session ends | 02:51 | 11° |
| Twilight end | 03:26 | 4° |
| Unitas set | 03:50 |
Track Unitas Position Throughout the Night
← 18 August 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Unitas changing position in the night sky.
Unitas Description
This asteroid is designated 306 Unitas, main-belt asteroid Its diameter is approximately 48 km. 306 Unitas completes an orbit around the Sun in 3.6 years. It is currently 0.996 AU (148,971,056 km) from Earth, and is located in the constellation Capricornus.Current position in the Solar System: Unitas
| Date | Tue, 18 August 2026 |
| Distance from Earth | 0.99668 AU (149,101,206km) |
| Elongation | 172° |
| Angular diameter | " |
| Magnitude | 10.6 |
Finder Chart for Unitas
Double-click to unlock the map.
| Object name | Unitas |
| Field of view | |
| Limiting magnitude | |
| Unitas coordinates | 21.31899, -15.36483 |
| Center coordinates | 21.31899, -15.36483 |
Annual motion of Unitas
| Date | Tue, 18 August 2026 |
| Twilight start | 19:28 |
| Twilight end | 02:44 |
| Twilight duration | 7h 17m |
| Rise | 17:29 |
| Set | 03:49 |
| Elevation at transit | 37° |
| Transit time | 22:39 |
| Equatorial coordinates | RA: 21h 18m 22s", Dec: -15° 31' 24s |
| Magnitude | 11 |
| Constellation | Capricornus |
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 306 Unitas
Coordinates and Visibility
| Right Ascension | 21.31899° |
| Declination | -15.36483° |
| Magnitude | 10.6 |
| Constellation | Capricornus |
| Elevation | -46.1° |
| Azimuth | 288.2° |
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.