Observation details: asteroid Antigone
Daily motion of Antigone
129 Antigone will remain visible until March 19, when it moves too close to the Sun and temporarily disappears from the night sky.
Antigone visibility on 2026-10-06
Antigone Visible from before midnight until sunrise
Antigone rise and set timetable
| Time | Elevation | |
Moonrise, 34% illuminated  | 23:38 | 47° |
| Moonset | 14:14 | -50° |
| Astronomical observing session begins | 18:11 | -11° |
| Antigone rise | 19:08 | |
| Antigone transit | 01:07 | 53° |
| Astronomical observing session ends | 03:41 | 38° |
| Twilight end (−12°) | 04:11 | 33° |
| Civil sunrise | 04:41 | 28° |
| Sunrise | 05:09 | 23° |
| Antigone set | 07:06 |
Track Antigone position throughout the night
← 6 October 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Antigone changing position in the night sky.
Antigone Description
This asteroid is designated 129 Antigone, main-belt asteroid Its diameter is approximately 114 km. 129 Antigone completes an orbit around the Sun in 4.9 years. It is currently 2.461 AU (368,149,888 km) from Earth, and is located in the constellation Cetus.Current position in the Solar System: Antigone
| Date | Tue, 6 October 2026 |
| Distance from Earth | 2.45793 AU (367,701,094km) |
| Elongation | 146° |
| Angular diameter | " |
| Magnitude | 12.1 |
Annual motion of Antigone
| Date | Tue, 6 October 2026 |
| Twilight start | 18:06 |
| Twilight end | 03:34 |
| Twilight duration | 9h 28m |
| Rise | 19:08 |
| Set | 07:05 |
| Elevation at transit | 53° |
| Transit time | 01:07 |
| Equatorial coordinates | RA: 02h 59m 36s", Dec: 00° 06' 57s |
| Magnitude | 12 |
| Constellation | Cetus |
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 129 Antigone
Coordinates and Visibility
| Right Ascension | 03h 00m 09s |
| Declination | 00° 01′ 08″ |
| Magnitude | 12.1 |
| Constellation | Cetus |
| Elevation | 30.5° |
| Azimuth | 243.2° |
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.