Observation details: comet C/2026 A2 (Bok)
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Daily motion of C/2026 A2 (Bok)
90004957 C/2026 A2 (Bok) will become visible again around March 24 after moving far enough from the Sun.
C/2026 A2 (Bok) visibility on 2026-10-08
C/2026 A2 (Bok) Visible from sunset until evening
C/2026 A2 (Bok) rise and set timetable
| Time | Elevation | |
Moonrise, 14.9% illuminated  | 01:59 | -55° |
| C/2026 A2 (Bok) transit | 12:21 | 42° |
| Moonset | 15:11 | 27° |
| Sunset | 16:40 | 13° |
| Civil sunset | 17:07 | 7° |
| Twilight start (−12°) | 17:38 | 2° |
| C/2026 A2 (Bok) set | 17:47 | |
| Astronomical observing session begins | 18:08 | -4° |
| Astronomical observing session ends | 03:42 | -37° |
| C/2026 A2 (Bok) rise | 06:53 |
Track C/2026 A2 (Bok) position throughout the night
← 8 October 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe C/2026 A2 (Bok) changing position in the night sky.
C/2026 A2 (Bok) Description
This comet is designated 90004957 C/2026 A2 (Bok), Jupiter-family comet. C/2026 A2 (Bok) completes an orbit around the Sun in 23410.6 years. It is currently 3.384 AU (506,252,658 km) from Earth, and is located in the constellation Virgo.Current position in the Solar System: C/2026 A2 (Bok)
| Date | Thu, 8 October 2026 |
| Distance from Earth | 3.38409 AU (506,252,658km) |
| Elongation | 22° |
| Angular diameter | " |
| Magnitude | 21.4 |
Finder Chart for
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| Object name | |
| Field of view | |
| Limiting magnitude | |
| coordinates | 14.32406, -10.72014 |
| Center coordinates | 14.32406, -10.72014 |
Annual motion of C/2026 A2 (Bok)
| Date | Fri, 9 October 2026 |
| Twilight start | 18:06 |
| Twilight end | 03:41 |
| Twilight duration | 10h 35m |
| Rise | 06:53 |
| Set | 17:44 |
| Elevation at transit | 42° |
| Transit time | 12:19 |
| Equatorial coordinates | RA: 14h 21m 19s", Dec: -10° 51' 33s |
| Magnitude | 21 |
| Constellation | Virgo |
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 90004957 C/2026 A2 (Bok)
Coordinates and Visibility
| Right Ascension | 14h 19m 27s |
| Declination | -10° 43′ 13″ |
| Magnitude | 21.4 |
| Constellation | Virgo |
| Elevation | -24.4° |
| Azimuth | 275.1° |
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.