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Sky-Tonight.com / Comets / 90004678 C/2021 G2 (ATLAS)
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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: Columbus, United States
Timezone:
Latitude:
39.9625
Longitude:
-83.0061

Comet 90004678 C/2021 G2 (ATLAS) Observation Details

C/2021 G2 (ATLAS)

C/2021 G2 (ATLAS) Daily Motion

C/2021 G2 (ATLAS) will rise before twilight begins, at 17:52, and will reach 46° elevation by the time twilight commences at 22:59. It will reach its transit at 47° by 23:39 and gradually fade away as the night ends at 04:02, maintaining an elevation of around 16°.
90004678 C/2021 G2 (ATLAS) will be visible until September, 18, 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/2021 G2 (ATLAS) Visibility Timetable on June 07

C/2021 G2 (ATLAS) Rise and Set Timetable

TimeElevation
Moon Rise, 82.8% illuminated16:52-12°
C/2021 G2 (ATLAS) rise17:52
Sunset20:5633°
Civil sunset21:3037°
Astrosession begin22:5946°
C/2021 G2 (ATLAS) transit23:3947°
Moon Set03:3221°
Astrosession end04:0216°
C/2021 G2 (ATLAS) set05:27

Track C/2021 G2 (ATLAS) Position Throughout the Night

← Sat, 7 June 2025 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe C/2021 G2 (ATLAS) changing position in the night sky.

C/2021 G2 (ATLAS) Description

C/2021 G2 (ATLAS), designated as 90004678 C/2021 G2 (ATLAS), is a Jupiter-family comet. At the moment, 90004678 C/2021 G2 (ATLAS) is 4.521 AU (676,302,054 km) from Earth, and it is located in the constellation Libra.

Current position of C/2021 G2 (ATLAS) in Solar System

Earth C/2021 G2 (ATLAS)
DateSat, 7 June 2025
Distance from Earth to C/2021 G2 (ATLAS)4.5208 AU (676,302,054km)
Elongation147°
Angular diameter"
Magnitude15
This section provides an interactive projection of the solar system, illustrating the relative positions of C/2021 G2 (ATLAS), Earth, and the Sun throughout the year. By sliding the image left or right, you can change the day of the year, observing how the positions of C/2021 G2 (ATLAS) and Earth shift in their orbits around the Sun.

Finder Chart for C/2021 G2 (ATLAS)

Double-click to unlock the map.
Object name90004678 C/2021 G2 (ATLAS)
Field of view
Limiting magnitude
90004678 C/2021 G2 (ATLAS) coordinates15.18055, -3.45806
Center coordinates15.18055, -3.45806

Annual motion of C/2021 G2 (ATLAS)

Time
DateSun, 8 June 2025
Twighlight start22:55
Twighlight end03:56
Twighlight duration5h 1m
Rise17:47
Set05:23
Elevation at transit47°
Transit time23:35
Equatorial coordinatesRA: 15h 10m 32s", Dec: -3° 21' 57s
Magnitude15
ConstellationLibra
The graph illustrates the annual visibility pattern of a C/2021 G2 (ATLAS), 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/2021 G2 (ATLAS) 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.

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.