Observation details: asteroid Niobe
Daily motion of Niobe
71 Niobe will remain visible until February 25, when it moves too close to the Sun and temporarily disappears from the night sky.
Niobe visibility on 2026-08-18
71 Niobe Visible from sunset until sunrise
Niobe rise and set timetable
| Time | Elevation | |
Moonrise, 21% illuminated  | 09:49 | -11° |
| Niobe rise | 18:08 | |
| Civil sunset | 18:24 | 3° |
| Twilight start | 18:57 | 9° |
| Astronomical observing session begins | 19:32 | 15° |
| Moonset | 20:26 | 26° |
| Niobe transit | 01:23 | 76° |
| Astronomical observing session ends | 02:51 | 66° |
| Twilight end | 03:26 | 60° |
| Civil sunrise | 03:59 | 54° |
| Sunrise | 04:28 | 48° |
| Niobe set | 08:37 |
Track Niobe Position Throughout the Night
← 18 August 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Niobe changing position in the night sky.
Niobe Description
This asteroid is designated 71 Niobe, main-belt asteroid Its diameter is approximately 84 km. 71 Niobe completes an orbit around the Sun in 4.6 years. It is currently 2.289 AU (342,368,191 km) from Earth, and is located in the constellation Pegasus.Current position in the Solar System: Niobe
| Date | Tue, 18 August 2026 |
| Distance from Earth | 2.2848 AU (341,801,215km) |
| Elongation | 131° |
| Angular diameter | " |
| Magnitude | 12 |
Finder Chart for Niobe
Double-click to unlock the map.
| Object name | Niobe |
| Field of view | |
| Limiting magnitude | |
| Niobe coordinates | 0.04641, 22.90156 |
| Center coordinates | 0.04641, 22.90156 |
Annual motion of Niobe
| Date | Tue, 18 August 2026 |
| Twilight start | 19:28 |
| Twilight end | 02:44 |
| Twilight duration | 7h 17m |
| Rise | 18:08 |
| Set | 08:37 |
| Elevation at transit | 76° |
| Transit time | 01:22 |
| Equatorial coordinates | RA: 00h 02m 07s", Dec: 22° 59' 58s |
| Magnitude | 12 |
| Constellation | Pegasus |
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 71 Niobe
Coordinates and Visibility
| Right Ascension | 0.04641° |
| Declination | 22.90156° |
| Magnitude | 12 |
| Constellation | Pegasus |
| Elevation | 27.7° |
| Azimuth | 278.7° |
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.