Comet C/2023 X2 (Lemmon) Observation Details

C/2023 X2 (Lemmon) Daily Motion

90004827 C/2023 X2 (Lemmon) will be visible until November, 16, 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/2023 X2 (Lemmon) Visibility on May 04

90004827 C/2023 X2 (Lemmon) is Not visible tonight

C/2023 X2 (Lemmon) Rise and Set Timetable

	Time	Elevation
C/2023 X2 (Lemmon) is always above the horizon
Sunset	17:58	36°
Civil sunset	18:27	36°
Twighlight start	19:02	36°
Astrosession begin	19:38	37°
C/2023 X2 (Lemmon) is always above the horizon
Moon Rise, 95.1% illuminated	20:27	37°
Astrosession end	02:30	39°
C/2023 X2 (Lemmon) transit	02:59	39°
Twighlight end	03:06	39°
Civil sunrise	03:41	39°
Sunrise	04:10	39°
Moon Set	05:40	39°

Track C/2023 X2 (Lemmon) Position Throughout the Night

← Mon, 4 May 2026 →

Time
Altitude
Azimuth

Shift the map to change the time and observe C/2023 X2 (Lemmon) changing position in the night sky.

C/2023 X2 (Lemmon) Description

C/2023 X2 (Lemmon), designated as 90004827 C/2023 X2 (Lemmon), is a comet on a hyperbolic (unbound) trajectory. At the moment, 90004827 C/2023 X2 (Lemmon) is 5.348 AU (800,094,292 km) from Earth, and it is located in the constellation Ursa Minor.

Current position of C/2023 X2 (Lemmon) in Solar System

Date	Mon, 4 May 2026
Distance from Earth to C/2023 X2 (Lemmon)	5.3485 AU (800,124,211km)
Elongation	75°
Angular diameter	"
Magnitude	18.3

This interactive projection shows the current positions of C/2023 X2 (Lemmon), 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/2023 X2 (Lemmon) and Earth move along their orbits around the Sun.

Finder Chart for C/2023 X2 (Lemmon)

Double-click to unlock the map.

Object name	90004827 C/2023 X2 (Lemmon)
Field of view
Limiting magnitude
90004827 C/2023 X2 (Lemmon) coordinates	18.70934, 88.22286
Center coordinates	18.70934, 88.22286

Annual motion of C/2023 X2 (Lemmon)

Date	Tue, 5 May 2026
Twighlight start	19:38
Twighlight end	02:27
Twighlight duration	7h 49m
Rise	90004827 C/2023 X2 (Lemmon) is always up
Set	90004827 C/2023 X2 (Lemmon) is always up
Elevation at transit	39°
Transit time	02:34
Equatorial coordinates	RA: 18h 20m 10s", Dec: 88° 16' 03s
Magnitude	18
Constellation	Ursa Minor

The graph illustrates the annual visibility pattern of a C/2023 X2 (Lemmon), 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/2023 X2 (Lemmon) 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 90004827 C/2023 X2 (Lemmon)

Coordinates & Visibility

Right Ascension	18.70934°
Declination	88.22286°
Magnitude	18.3
Constellation	Ursa Minor
Elevation	36.3°
Azimuth	-1.8°

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.

Observation Settings