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public  Limoges (FR) Limoges (FR)  ⓘ
TimezoneEurope/Paris
Sunrise: 6:14 
Transit: 13:59 
Sunset: 21:45
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Comets » 

Comet C/2023 F3 (ATLAS)

Below the horizon.  Rise: 13:26 | Tran: 17:28 | Set: 21:31
Alt: -49.00°   Az: 284.49°   Direction: West-North-West

Comet C/2023 F3 (ATLAS) is in the constellation of Hydra, at a distance of 834,760,318.0 kilometers from Earth. The current Right Ascension is 10h 37m 04s and the Declination is -25° 16’ 25” (apparent coordinates). The estimated magnitude of comet C/2023 F3 (ATLAS), computed using JPL Horizons's data, is 17.36).

Finder Charts

The sky charts below show, at different resolutions, the position of comet C/2023 F3 (ATLAS) in the sky. Click on each chart to access the interactive star map tool.

Star map showing the position of comet C/2023 F3 (ATLAS) in the constellation of Hydra on F, d Y. Field of view: 50x30 degrees. View interactive star map.
Star map showing the position of comet C/2023 F3 (ATLAS) in the constellation of Hydra on F, d Y. Field of view: 15x9 degrees. View in interactive star map.

The following map uses photographic imagery from the Digitized Sky Survey (DSS) to realistically visualize the precise position of comet C/2023 F3 (ATLAS) against the stars in the background. The horizontal size of the map measures 60 arcminutes. Click on the image to access a more detailed full-screen view.

C/2023 F3 (ATLAS)
RA: 10h 35m 52s
Dec: -25° 08’ 27”
Simplified high-resolution deep sky chart showing the current position of comet C/2023 F3 (ATLAS). Field of view: 60 x 40 arcminutes. Go to the dedicated page

Equatorial Coordinates

Apparent

10h 37m 04s
-25° 16’ 25”
09h 01m 30s
19h 38m 35s

J2000

10h 35m 52s
-25° 08’ 27”

Additional Information

Hydra
n/a
n/a
n/a
n/a
17.36

The observed values of Magnitude, Coma Diameter and Tail Length are derived from the most recent observation recorded at the Comet Observers Database. The value of Predicted Magnitude comes from the JPL Horizons ephemerides service and, in the case of comets, might be inaccurate given the highly dynamic and unpredictable behavior of these objects. When available, please refer to the Observed Magnitude value and consider the Predicted Magnitude as a directional indication. We acknowledge with thanks the comet observations from the COBS Comet Observation Database contributed by observers worldwide and used in this table to report recent comet observations.

Rise and Set Times

The following table lists today's rise, transit and set times of comet C/2023 F3 (ATLAS) from Limoges (FR) (all times relative to the local timezone Europe/Paris):

Azimuth: 115.2°
Max altitude: 19.0°
Azimuth: 244.8°

If you need to access this information frequently for your observations, you can create a simple customized Quick Access page, so that you can easily bookmark it in your browser favorites or add a shortcut to your mobile phones' home screen.

Distance from Earth

The distance of comet C/2023 F3 (ATLAS) from Earth is currently 834,760,318.0 kilometers, equivalent to 5.5800280719 Astronomical Units. Light takes 46m 24.461s to travel from comet C/2023 F3 (ATLAS) and arrive to us.

834,760,318.0
5.5800280719
46m 24.461s

The following graph shows the distance of comet C/2023 F3 (ATLAS) from Earth as a function of time. In the chart the distance is measured in Astronomical Units and the data is sampled with an interval of 1 day.

Chart of the distance of comet C/2023 F3 (ATLAS) from Earth in Astronomical Units (au)
Note: The values in this chart may not be entirely accurate around the time of closest approach for objects passing very close to Earth at high speed (e.g., Near-Earth Objects).

The value of the distance of C/2023 F3 (ATLAS) from Earth is also available as a real time updated value in the live position tracker.

Closest Approach to Earth

In the period between January 1, 2000 and December 31, 2099, the closest approach of comet C/2023 F3 (ATLAS) to Earth happened on Saturday 5 April 2025 at a distance of 4.417757 Astronomical Units, or 660,887,103 kilometers:

Saturday 5 April 2025
660,887,103
4.417757

Note: the values for the closest approach are computed with a sampling interval of 1 day.

Light Curve

The following chart shows the light curve of comet C/2023 F3 (ATLAS), i.e., its apparent magnitude as a function of time. The curve is calculated using the latest ephemerides provided by JPL Horizons. The magnitude data is sampled with the interval of 2 days. Because of this sampling, inaccuracies may occur for objects that have large variations of brightness over a few days. For comets, large discrepancies can arise between the calculated brightness and the observations due to their highly dynamic, and not always precisely predictable, behavior.

Chart of the magnitude of comet C/2023 F3 (ATLAS) as a function of time

Orbital Elements

The following table lists the orbital elements of comet C/2023 F3 (ATLAS) at epoch May, 07 2024 00:00 UTC (JD: 2460438.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 1.00429114
Orbit inclination i 145.96152716°
Perihelion distance q 5.19058156 AU
776,499,951 km
Aphelion distance Q n.a.
Semi-major axis a n.a.
Orbital period period n.a.
Date of perihelion transit Tp February 2, 2025
2,460,709.2112 JD
Argument of perihelion peri 265.53477830931°
Longitude of the ascending node node 109.45386615792°
Mean anomaly M -0.0063422813236204°
Mean motion n 0.00002343°/day

Orbit Visualization

The following chart is a 3D animated visualization of the orbit of comet C/2023 F3 (ATLAS) relative to the other major objects in the Solar System. You can access more advanced features using our 3D Solar System Viewer.

15 Days Ephemeris

The following table lists the ephemerides of comet C/2023 F3 (ATLAS) computed for the past and next 7 days, with a 24 hours interval. Apparent celestial coordinates are provided.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
Jun 30 2025 10h 36m 38s -26° 07’ 03” 17.31 Hydra
Jul 01 2025 10h 36m 40s -25° 59’ 24” 17.32 Hydra
Jul 02 2025 10h 36m 43s -25° 51’ 54” 17.33 Hydra
Jul 03 2025 10h 36m 46s -25° 44’ 32” 17.33 Hydra
Jul 04 2025 10h 36m 50s -25° 37’ 20” 17.34 Hydra
Jul 05 2025 10h 36m 54s -25° 30’ 16” 17.35 Hydra
Jul 06 2025 10h 36m 59s -25° 23’ 21” 17.36 Hydra
Jul 07 2025 10h 37m 04s -25° 16’ 34” 17.36 Hydra
Jul 08 2025 10h 37m 10s -25° 09’ 56” 17.37 Hydra
Jul 09 2025 10h 37m 17s -25° 03’ 27” 17.38 Hydra
Jul 10 2025 10h 37m 23s -24° 57’ 06” 17.38 Hydra
Jul 11 2025 10h 37m 31s -24° 50’ 53” 17.39 Hydra
Jul 12 2025 10h 37m 39s -24° 44’ 48” 17.40 Hydra
Jul 13 2025 10h 37m 47s -24° 38’ 52” 17.41 Hydra

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