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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:44 
Transit: 13:01 
Sunset: 21:19
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Comets » 

Comet 263P/Gibbs

Below the horizon.  Rise: 0:41 | Tran: 4:58 | Set: 9:11
Alt: -23.06°   Az: 267.36°   Direction: South-West

Comet 263P/Gibbs is in the constellation of Capricornus, at a distance of 621,136,758.0 kilometers from Earth. The current Right Ascension is 21h 56m 55s and the Declination is -19° 26’ 42” (apparent coordinates). The predicted magnitude of Comet 263P/Gibbs is 24.77 (data provided by JPL Horizons).

Finder Charts

Map showing Comet 263P/Gibbs in Capricornus on June, 21 2025. Field of view: 50x30 degrees
View interactive star map
Sky map showing Comet 263P/Gibbs in Capricornus on June, 21 2025. Field of view: 15x9 degrees. View in interactive sky chart

High precision deep sky finder chart, 60 arcmin wide, showing where Comet 263P/Gibbs is right now. Click on the image to see a more detailed fullscreen tracker view.

263P/Gibbs
RA: 21h 55m 30s
Dec: -19° 33’ 59”
Deep sky finder chart for Comet 263P/Gibbs. Field of view: 60x40 arcmins. View in deep sky object tracker

Also check out Where is Comet 263P/Gibbs?, a page that provides all the information needed to find Comet 263P/Gibbs in the sky and additional links to sky charts.

Celestial Coordinates

Apparent

21h 56m 55s
-19° 26’ 42”
06h 51m 40s
04h 48m 35s

J2000

21h 55m 30s
-19° 33’ 59”

Additional Information

Capricornus
n/a
n/a
n/a
n/a
24.77

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 263P/Gibbs from Greenwich, UK (all times relative to the local timezone Europe/London):

Azimuth: 109.5°
Max altitude: 19.1°
Azimuth: 250.6°
  • 263P/Gibbs is below the horizon from Greenwich, UK.
  • Given its current magnitude, 263P/Gibbs 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 263P/Gibbs from Earth is currently 621,136,758.0 kilometers, equivalent to 4.1520427737 Astronomical Units. Light takes 34m 31.889s to travel from Comet 263P/Gibbs and arrive to us.

621,136,758.0
4.1520427737
34m 31.889s

The following chart shows the distance of Comet 263P/Gibbs 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 263P/Gibbs 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 263P/Gibbs 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 263P/Gibbs to Earth happens on Sun Feb 2 2087 at a distance of 0.322633 Astronomical Units, or 48,265,227 kilometers:

Sun Feb 2 2087
48,265,227
0.322633

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 263P/Gibbs, 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 263P/Gibbs as a function of time

Orbital Elements

The following table lists the orbital elements of Comet 263P/Gibbs at epoch 21 October 2018 00:00 UTC (JD: 2458413.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.58779281
Orbit inclination i 11.53837729°
Perihelion distance q 1.26148717 AU
188,715,794 km
Aphelion distance Q 4.85915890 AU
726,919,827 km
Semi-major axis a 3.06032303 AU
457,817,811 km
Orbital period period 5.3538 years
1,955.4618 days
Date of perihelion transit Tp 2017-Sep-29 21:29:30
2,458,026.3955 JD
Next perihelion transit 2023-Feb-06 08:34
2,459,981.8573 JD
Argument of perihelion peri 34.57468046879°
Longitude of the ascending node node 105.80770622729°
Mean anomaly M 71.265838312107°
Mean motion n 0.18409974°/day
2h1>Orbit Visualization
Orbit Diagram of Comet 263P/Gibbs
View Comet 263P/Gibbs in the 3D Solar System Simulator

15 Days Ephemeris

The following table lists the ephemerides of Comet 263P/Gibbs 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 14 21h 58m 14s -19° 04’ 24” 24.81 Capricornus
2025 Jun 15 21h 58m 06s -19° 07’ 09” 24.80 Capricornus
2025 Jun 16 21h 57m 58s -19° 09’ 59” 24.80 Capricornus
2025 Jun 17 21h 57m 48s -19° 12’ 53” 24.79 Capricornus
2025 Jun 18 21h 57m 38s -19° 15’ 51” 24.78 Capricornus
2025 Jun 19 21h 57m 26s -19° 18’ 55” 24.78 Capricornus
2025 Jun 20 21h 57m 14s -19° 22’ 02” 24.77 Capricornus
2025 Jun 21 21h 57m 01s -19° 25’ 14” 24.77 Capricornus
2025 Jun 22 21h 56m 47s -19° 28’ 29” 24.76 Capricornus
2025 Jun 23 21h 56m 32s -19° 31’ 50” 24.75 Capricornus
2025 Jun 24 21h 56m 16s -19° 35’ 13” 24.75 Capricornus
2025 Jun 25 21h 56m 00s -19° 38’ 41” 24.74 Capricornus
2025 Jun 26 21h 55m 42s -19° 42’ 13” 24.74 Capricornus
2025 Jun 27 21h 55m 24s -19° 45’ 49” 24.73 Capricornus

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