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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:49  
clear_day Transit: 12:56  
SunsetSet: 21:04 south
sunny DaytimeWhat's Visible Now
Comets » 

Comet C/2022 A3 (Lemmon-ATLAS)

Comet C/2022 A3 (Lemmon-ATLAS) is currently in the constellation of Hydra.

The current Right Ascension of Comet C/2022 A3 (Lemmon-ATLAS) is 08h 21m 55s and the Declination is -10° 49’ 10” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom edit_location_alt). The current estimated magnitude of Comet C/2022 A3 (Lemmon-ATLAS) is 16.84 (JPL).

08h 21m 55s
-10° 49’ 10”

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.

Today's rise, transit and set times of Comet C/2022 A3 (Lemmon-ATLAS) from Greenwich, United Kingdom edit_location_alt (all times relative to the local timezone Europe/London):

Azimuth: 100.8°
Max altitude: 27.7°
Azimuth: 259.2°
  • C/2022 A3 (Lemmon-ATLAS) is above the horizon from Greenwich, United Kingdom edit_location_alt.
  • Right now it is placed in the South direction at an altitude of 28° above the horizon.
  • Given its current magnitude, C/2022 A3 (Lemmon-ATLAS) is visible only through long exposure photography.
  • Go to interactive sky chart

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.

Available Resources

Comet C/2022 A3 (Lemmon-ATLAS) Position and Finder Charts

Below we provide Comet C/2022 A3 (Lemmon-ATLAS) finder charts showing where the object is right now in the sky with respect to the brightest stars. The first finder chart has a field of view of 50 degrees, while the second one has a field of view of 10 degrees. Click on each finder chart to access a full screen interactive Online Planetarium.

Finder chart of C/2022 A3 (Lemmon-ATLAS) in Hydra on June,01 2023
Map showing Comet C/2022 A3 (Lemmon-ATLAS) in Hydra on June, 01 2023
Field of view: 50x30 degrees
View fullscreen
Finder chart of C/2022 A3 (Lemmon-ATLAS)
Map showing Comet C/2022 A3 (Lemmon-ATLAS) in Hydra on June, 01 2023
Field of view: 10x6 degrees
View fullscreen

Higher precision deep sky finder chart, 60 arcmin wide, showing where Comet C/2022 A3 (Lemmon-ATLAS) is right now. Click on the image to see a more detailed fullscreen tracker view.

C/2022 A3 (Lemmon-ATLAS)
RA: 08h 21m 55s
Dec: -10° 49’ 10”
Deep sky finder chart for Comet C/2022 A3 (Lemmon-ATLAS)
Field of view: 60x40 arcmins
View fullscreen

Also check out Where is Comet C/2022 A3 (Lemmon-ATLAS)?, a page that provides all the information needed to find Comet C/2022 A3 (Lemmon-ATLAS) in the sky and additional links to sky charts.

Comet C/2022 A3 (Lemmon-ATLAS) Distance from Earth

The distance of Comet C/2022 A3 (Lemmon-ATLAS) from Earth is currently 625,363,046 kilometers, equivalent to 4.180294 Astronomical Units. Light takes 34 minutes and 45.9866 seconds to travel from Comet C/2022 A3 (Lemmon-ATLAS) and arrive to us.

34 minutes and 45.9866 seconds

The following chart shows the distance of Comet C/2022 A3 (Lemmon-ATLAS) from Earth as a function of time. In the chart the distance data is measured in Astronomical Units and sampled with an interval of 1 day.

Chart of the distance of Comet C/2022 A3 (Lemmon-ATLAS) from Earth in Astronomical Units (au)

The value of the reported distance might be somewhat inaccurate around the times of closest approach for objects passing extremely close to Earth. The value of the distance of C/2022 A3 (Lemmon-ATLAS) from Earth is also available as a real time updated value in the Live Position and Data Tracker.

Closest Approach of Comet C/2022 A3 (Lemmon-ATLAS) to Earth

Between 1 January 2000 and 31 December 2099, the closest approach of Comet C/2022 A3 (Lemmon-ATLAS) to Earth happens on Fri Feb 24 2023 at a distance of 3.242344 Astronomical Units, or 485,047,757 kilometers:

Fri Feb 24 2023

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

Comet C/2022 A3 (Lemmon-ATLAS) Brightness and Light Curve

The following chart is the predicted light curve (visual magnitude as a function of time) of Comet C/2022 A3 (Lemmon-ATLAS), according to the most recent ephemerides data. Magnitude data is sampled with a 2 days interval and there might be inaccuracies for objects changing brightness very rapidly during the course of a few days. For comets there could be large discrepancies between the observed and predicted brightness because of their highly dynamic behaviour.

Chart of the magnitude of Comet C/2022 A3 (Lemmon-ATLAS) as a function of time

Comet C/2022 A3 (Lemmon-ATLAS) Orbital Elements

The following table lists the orbital elements of Comet C/2022 A3 (Lemmon-ATLAS) at epoch 11 November 2022 00:00 UTC (JD: 2459895.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.99608883
Orbit inclination i 88.35208848°
Perihelion distance q 3.70335883 AU
554,014,597 km
Aphelion distance Q 1,890.03348151 AU
282,744,984,953 km
Semi-major axis a 946.86842017 AU
141,649,499,775 km
Orbital period period 29,136.8535 years
10,642,235.7487 days
Date of perihelion transit Tp 2023-Sep-28 20:11:11
2,460,216.3411 JD
Argument of perihelion peri 234.84874838255°
Longitude of the ascending node node 325.48381377306°
Mean anomaly M 359.98914675458°
Mean motion n 0.00003383°/day

Visualization of Comet C/2022 A3 (Lemmon-ATLAS) Orbit

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Comet C/2022 A3 (Lemmon-ATLAS) with respect of the Sun and the orbits of the major planets. The position of Comet C/2022 A3 (Lemmon-ATLAS) and the planets along their orbits in this diagram accurately represents the current configuration of the objects in the Solar System. This is an experimental feature and it requires a WebGL enabled browser. Please provide us feedback!

Orbit Diagram of Comet C/2022 A3 (Lemmon-ATLAS)
View Comet C/2022 A3 (Lemmon-ATLAS) in the 3D Solar System Simulator

Comet C/2022 A3 (Lemmon-ATLAS) 15 Days Ephemeris

The following table lists the ephemerides of Comet C/2022 A3 (Lemmon-ATLAS) computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Comet C/2022 A3 (Lemmon-ATLAS) in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2023 May 25 08h 20m 09s -10° 12’ 39” 16.82 Hydra
2023 May 26 08h 20m 21s -10° 17’ 09” 16.83 Hydra
2023 May 27 08h 20m 32s -10° 21’ 45” 16.83 Hydra
2023 May 28 08h 20m 45s -10° 26’ 23” 16.83 Hydra
2023 May 29 08h 20m 59s -10° 31’ 08” 16.83 Hydra
2023 May 30 08h 21m 14s -10° 35’ 57” 16.84 Hydra
2023 May 31 08h 21m 29s -10° 40’ 50” 16.84 Hydra
2023 Jun 01 08h 21m 45s -10° 45’ 50” 16.84 Hydra
2023 Jun 02 08h 22m 00s -10° 50’ 53” 16.84 Hydra
2023 Jun 03 08h 22m 18s -10° 56’ 02” 16.84 Hydra
2023 Jun 04 08h 22m 36s -11° 01’ 14” 16.85 Hydra
2023 Jun 05 08h 22m 54s -11° 06’ 33” 16.85 Hydra
2023 Jun 06 08h 23m 12s -11° 11’ 57” 16.85 Hydra
2023 Jun 07 08h 23m 33s -11° 17’ 26” 16.85 Hydra