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Sky-Tonight.com / Comets / 90004946 C/2026 A2 (Bok)
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Observation Settings

Or select it on the map:
This Earth map fragment is intended to illustrate celestial motion across the sky, emphasizing both bearing and elevational perspectives. The map's center point corresponds to the transit, showcasing celestial objects at their highest point, while elevation gradually decreases towards the map edges. This dynamic representation offers insights into the changing positions of celestial bodies with a focus on their bearing and elevational trajectories.
Your location: Santa Clara, United States
Timezone:
Latitude:
37.3541
Longitude:
-121.955

Comet C/2026 A2 (Bok) Observation Details

C/2026 A2 (Bok)

C/2026 A2 (Bok) Daily Motion


90004946 C/2026 A2 (Bok) will be visible until February, 12, when it will move too close to the Sun. During this time, its proximity to the Sun will cause it to disappear from the night sky, making it unobservable for a while.

C/2026 A2 (Bok) Visibility on June 04

90004946 C/2026 A2 (Bok) is Not visible tonight

C/2026 A2 (Bok) Rise and Set Timetable

TimeElevation
C/2026 A2 (Bok) is always above the horizon
Sunset18:2235°
Civil sunset18:5437°
Twighlight start19:3340°
Astrosession begin20:1542°
C/2026 A2 (Bok) is always above the horizon
Moon Rise, 88.5% illuminated 21:3147°
C/2026 A2 (Bok) transit00:3453°
Astrosession end01:5652°
Twighlight end02:3950°
Civil sunrise03:1748°
Sunrise03:4947°
Moon Set07:1833°

Track C/2026 A2 (Bok) Position Throughout the Night

← Thu, 4 June 2026 →

Elevation (degrees)
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

C/2026 A2 (Bok), designated as 90004946 C/2026 A2 (Bok), is a Jupiter-family comet. At the moment, 90004946 C/2026 A2 (Bok) is 3.024 AU (452,383,961 km) from Earth, and it is located in the constellation Draco.

Current position of C/2026 A2 (Bok) in Solar System

Earth C/2026 A2 (Bok)
DateThu, 4 June 2026
Distance from Earth to C/2026 A2 (Bok)3.024 AU (452,383,961km)
Elongation82°
Angular diameter"
Magnitude17.1
This interactive projection shows the current positions of C/2026 A2 (Bok), Earth, and the Sun in the Solar System. By sliding the image left or right, you can change the day of the year and see how C/2026 A2 (Bok) and Earth move along their orbits around the Sun.

Finder Chart for C/2026 A2 (Bok)

Double-click to unlock the map.
Object name90004946 C/2026 A2 (Bok)
Field of view
Limiting magnitude
90004946 C/2026 A2 (Bok) coordinates18.30298, 74.18531
Center coordinates18.30298, 74.18531

Annual motion of C/2026 A2 (Bok)

Time
DateFri, 5 June 2026
Twighlight start20:11
Twighlight end01:50
Twighlight duration6h 39m
Rise90004946 C/2026 A2 (Bok) is always up
Set90004946 C/2026 A2 (Bok) is always up
Elevation at transit53°
Transit time00:29
Equatorial coordinatesRA: 18h 16m 50s", Dec: 74° 25' 10s
Magnitude17
ConstellationDraco
The graph illustrates the annual visibility pattern of a C/2026 A2 (Bok), providing a comprehensive overview of its daily appearances and transit times throughout the year.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the C/2026 A2 (Bok) is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit. You can also view detailed visibility information in a dedicated table, including exact rise, transit, and set times for each date.

Astrometric & Physical Parameters of 90004946 C/2026 A2 (Bok)

Coordinates & Visibility

Right Ascension18.30298°
Declination74.18531°
Magnitude17.1
ConstellationDraco
Elevation52.5°
Azimuth-6.6°

Acknowledgments

We acknowledge NASA's Jet Propulsion Laboratory (JPL) for providing essential data on asteroids and comets through their Small-Body Database (SBDB) and Center for Near-Earth Object Studies (CNEOS). Their continuous efforts in tracking and cataloging these celestial bodies make it possible to offer accurate and up-to-date information on their positions, orbits, and physical characteristics.