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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:41 
Transit: 12:53 
Sunset: 19:05
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Comets » 

Comet 204P/LINEAR-NEAT

Below the horizon.  Rise: 12:19 | Tran: 16:54 | Set: 21:28
Alt: -49.63°   Az: 36.98°   Direction: North-East

Comet 204P/LINEAR-NEAT is in the constellation of Libra, at a distance of 729,465,120.0 kilometers from Earth. The current Right Ascension is 15h 45m 57s and the Declination is -15° 53’ 45” (apparent coordinates). The predicted magnitude of Comet 204P/LINEAR-NEAT is 22.93 (data provided by JPL Horizons).

Finder chart of 204P/LINEAR-NEAT in Libra on September,18 2024
Map showing Comet 204P/LINEAR-NEAT in Libra on September, 18 2024. Field of view: 50x30 degrees
View interactive star map

Celestial Coordinates

Apparent

15h 45m 57s
-15° 53’ 45”
13h 35m 35s
05h 21m 32s

J2000

15h 44m 33s
-15° 49’ 10”

Additional Information

Libra
n/a
n/a
n/a
n/a
22.93

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 204P/LINEAR-NEAT from Greenwich, UK (all times relative to the local timezone Europe/London):

Azimuth: 105.9°
Max altitude: 22.6°
Azimuth: 254.1°
  • 204P/LINEAR-NEAT is below the horizon from Greenwich, UK.
  • Given its current magnitude, 204P/LINEAR-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.

Finder Charts

Finder chart of 204P/LINEAR-NEAT
Sky map showing Comet 204P/LINEAR-NEAT in Libra on September, 18 2024. Field of view: 10x6 degrees. View in interactive sky chart

High precision deep sky finder chart, 60 arcmin wide, showing where Comet 204P/LINEAR-NEAT is right now. Click on the image to see a more detailed fullscreen tracker view.

204P/LINEAR-NEAT
RA: 15h 44m 33s
Dec: -15° 49’ 10”
Deep sky finder chart for Comet 204P/LINEAR-NEAT. Field of view: 60x40 arcmins. View in deep sky object tracker

Also check out Where is Comet 204P/LINEAR-NEAT?, a page that provides all the information needed to find Comet 204P/LINEAR-NEAT in the sky and additional links to sky charts.

Distance from Earth

The distance of Comet 204P/LINEAR-NEAT from Earth is currently 729,465,120.0 kilometers, equivalent to 4.8761731473 Astronomical Units. Light takes 40m 33.234s to travel from Comet 204P/LINEAR-NEAT and arrive to us.

729,465,120.0
4.8761731473
40m 33.234s

The following chart shows the distance of Comet 204P/LINEAR-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 204P/LINEAR-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 204P/LINEAR-NEAT from Earth is also available as a real time updated value in the Live Position and Data Tracker.

Closest Approach

Between 1 January 2013 and 30 December 2100, the closest approach of Comet 204P/LINEAR-NEAT to Earth happens on Mon Jan 18 2016 at a distance of 0.976006 Astronomical Units, or 146,008,425 kilometers:

Mon Jan 18 2016
146,008,425
0.976006

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 204P/LINEAR-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 204P/LINEAR-NEAT as a function of time

Orbital Elements

The following table lists the orbital elements of Comet 204P/LINEAR-NEAT at epoch 19 October 2013 00:00 UTC (JD: 2456585.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.47212804
Orbit inclination i 6.58890103°
Perihelion distance q 1.93104595 AU
288,880,363 km
Aphelion distance Q 5.38529624 AU
805,628,853 km
Semi-major axis a 3.65817110 AU
547,254,608 km
Orbital period period 6.9969 years
2,555.6092 days
Date of perihelion transit Tp 2015-Dec-11 09:55:30
2,457,367.9136 JD
Next perihelion transit 2022-Dec-10 00:32
2,459,923.5228 JD
Argument of perihelion peri 354.9910444685°
Longitude of the ascending node node 109.07430775348°
Mean anomaly M 249.78405778331°
Mean motion n 0.14086661°/day

Orbit Visualization

Orbit Diagram of Comet 204P/LINEAR-NEAT
View Comet 204P/LINEAR-NEAT in the 3D Solar System Simulator

15 Days Ephemeris

The following table lists the ephemerides of Comet 204P/LINEAR-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
2024 Sep 11 15h 41m 06s -15° 29’ 40” 22.86 Libra
2024 Sep 12 15h 41m 45s -15° 32’ 59” 22.87 Libra
2024 Sep 13 15h 42m 24s -15° 36’ 19” 22.88 Libra
2024 Sep 14 15h 43m 04s -15° 39’ 38” 22.89 Libra
2024 Sep 15 15h 43m 44s -15° 42’ 58” 22.90 Libra
2024 Sep 16 15h 44m 24s -15° 46’ 18” 22.91 Libra
2024 Sep 17 15h 45m 06s -15° 49’ 38” 22.92 Libra
2024 Sep 18 15h 45m 47s -15° 52’ 59” 22.93 Libra
2024 Sep 19 15h 46m 30s -15° 56’ 19” 22.94 Libra
2024 Sep 20 15h 47m 12s -15° 59’ 40” 22.95 Libra
2024 Sep 21 15h 47m 55s -16° 03’ 01” 22.96 Libra
2024 Sep 22 15h 48m 40s -16° 06’ 21” 22.96 Libra
2024 Sep 23 15h 49m 24s -16° 09’ 42” 22.97 Libra
2024 Sep 24 15h 50m 08s -16° 13’ 03” 22.98 Libra

Additional Resources