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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:44 
Transit: 13:00 
Sunset: 21:16
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Comet 240P/NEAT

Above the horizon.  Rise: 4:18 | Tran: 9:36 | Set: 14:55
Alt: 29.85°   Az: 167.61°   Direction: South-South-East

Comet 240P/NEAT is in the constellation of Cetus, at a distance of 440,355,400.0 kilometers from Earth. The current Right Ascension is 02h 04m 29s and the Declination is -07° 56’ 18” (apparent coordinates). The predicted magnitude of Comet 240P/NEAT is 16.65 (data provided by JPL Horizons).

Finder Charts

Map showing Comet 240P/NEAT in Cetus on June, 13 2025. Field of view: 50x30 degrees
View interactive star map
Sky map showing Comet 240P/NEAT in Cetus on June, 13 2025. Field of view: 15x9 degrees. View in interactive sky chart

High precision deep sky finder chart, 60 arcmin wide, showing where Comet 240P/NEAT is right now. Click on the image to see a more detailed fullscreen tracker view.

240P/NEAT
RA: 02h 03m 13s
Dec: -08° 03’ 35”
Deep sky finder chart for Comet 240P/NEAT. Field of view: 60x40 arcmins. View in deep sky object tracker

Also check out Where is Comet 240P/NEAT?, a page that provides all the information needed to find Comet 240P/NEAT in the sky and additional links to sky charts.

Celestial Coordinates

Apparent

02h 04m 29s
-07° 56’ 18”
23h 16m 41s
01h 21m 11s

J2000

02h 03m 13s
-08° 03’ 35”

Additional Information

Cetus
n/a
n/a
n/a
n/a
16.65

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

Today's rise, transit and set times of Comet 240P/NEAT from Greenwich, UK (all times relative to the local timezone Europe/London):

Azimuth: 98.0°
Max altitude: 30.6°
Azimuth: 262.1°
  • 240P/NEAT is above the horizon from Greenwich, UK.
  • Right now it is placed in the South-South-East direction at an altitude of 29.85° above the horizon.
  • Given its current magnitude, 240P/NEAT 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.

Distance from Earth

The distance of Comet 240P/NEAT from Earth is currently 440,355,400.0 kilometers, equivalent to 2.9435940361 Astronomical Units. Light takes 24m 28.868s to travel from Comet 240P/NEAT and arrive to us.

440,355,400.0
2.9435940361
24m 28.868s

The following chart shows the distance of Comet 240P/NEAT 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 240P/NEAT 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 240P/NEAT from Earth is also available as a real time updated value in the Live Position and Data Tracker.

Closest Approach

Between 1 January 2000 and 31 December 2099, the closest approach of Comet 240P/NEAT to Earth happens on Sat Nov 27 2055 at a distance of 1.107237 Astronomical Units, or 165,640,231 kilometers:

Sat Nov 27 2055
165,640,231
1.107237

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

Light Curve

The following chart is the predicted light curve (visual magnitude as a function of time) of Comet 240P/NEAT, 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 240P/NEAT as a function of time

Orbital Elements

The following table lists the orbital elements of Comet 240P/NEAT at epoch 05 November 2018 00:00 UTC (JD: 2458428.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.44890135
Orbit inclination i 23.50431067°
Perihelion distance q 2.13378084 AU
319,209,071 km
Aphelion distance Q 5.60995375 AU
839,237,137 km
Semi-major axis a 3.87186729 AU
579,223,104 km
Orbital period period 7.6188 years
2,782.7816 days
Date of perihelion transit Tp 2018-May-15 20:26:33
2,458,254.3518 JD
Next perihelion transit 2025-Dec-27 15:12
2,461,037.1334 JD
Argument of perihelion peri 352.08966865839°
Longitude of the ascending node node 74.924884036785°
Mean anomaly M 22.529026401002°
Mean motion n 0.12936696°/day
2h1>Orbit Visualization

15 Days Ephemeris

The following table lists the ephemerides of Comet 240P/NEAT 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
2025 Jun 06 01h 52m 38s -08° 52’ 43” 16.78 Cetus
2025 Jun 07 01h 54m 16s -08° 44’ 50” 16.76 Cetus
2025 Jun 08 01h 55m 53s -08° 37’ 01” 16.74 Cetus
2025 Jun 09 01h 57m 30s -08° 29’ 16” 16.73 Cetus
2025 Jun 10 01h 59m 07s -08° 21’ 33” 16.71 Cetus
2025 Jun 11 02h 00m 44s -08° 13’ 54” 16.69 Cetus
2025 Jun 12 02h 02m 20s -08° 06’ 18” 16.68 Cetus
2025 Jun 13 02h 03m 57s -07° 58’ 46” 16.66 Cetus
2025 Jun 14 02h 05m 33s -07° 51’ 17” 16.64 Cetus
2025 Jun 15 02h 07m 10s -07° 43’ 51” 16.62 Cetus
2025 Jun 16 02h 08m 46s -07° 36’ 30” 16.61 Cetus
2025 Jun 17 02h 10m 22s -07° 29’ 11” 16.59 Cetus
2025 Jun 18 02h 11m 58s -07° 21’ 57” 16.57 Cetus
2025 Jun 19 02h 13m 34s -07° 14’ 46” 16.55 Cetus

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