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public  Sahagún, Colombia Sahagún, Colombia  ⓘ
TimezoneAmerica/Bogota
Sunrise: 5:47 
Transit: 12:05 
Sunset: 18:23
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Comets » 

Comet 10P/Tempel

Below the horizon.  Rise: 10:28 | Tran: 16:36 | Set: 22:47
Alt: -31.13°   Az: 66.35°   Direction: East-North-East

Comet 10P/Tempel is in the constellation of Leo, at a distance of 560,119,083.0 kilometers from Earth. The current Right Ascension is 11h 19m 22s and the Declination is +14° 59’ 47” (apparent coordinates). The estimated magnitude of comet 10P/Tempel, computed using JPL Horizons's data, is 19.84).

Finder Charts

The sky charts below show, at different resolutions, the position of comet 10P/Tempel in the sky. Click on each chart to access the interactive star map tool.

Star map showing the position of comet 10P/Tempel in the constellation of Leo on F, d Y. Field of view: 50x30 degrees. View interactive star map.
Star map showing the position of comet 10P/Tempel in the constellation of Leo 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 10P/Tempel 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.

10P/Tempel
RA: 11h 18m 02s
Dec: +15° 08’ 09”
Simplified high-resolution deep sky chart showing the current position of comet 10P/Tempel. Field of view: 60 x 40 arcminutes. Go to the dedicated page

Equatorial Coordinates

Apparent

11h 19m 22s
+14° 59’ 47”
15h 37m 05s
02h 56m 27s

J2000

11h 18m 02s
+15° 08’ 09”

Additional Information

Leo
n/a
n/a
n/a
n/a
19.84

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 10P/Tempel from Sahagún, Colombia (all times relative to the local timezone America/Bogota):

Azimuth: 75.0°
Max altitude: 84.0°
Azimuth: 285.0°

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 10P/Tempel from Earth is currently 560,119,083.0 kilometers, equivalent to 3.7441648092 Astronomical Units. Light takes 31m 8.356s to travel from comet 10P/Tempel and arrive to us.

560,119,083.0
3.7441648092
31m 8.356s

The following graph shows the distance of comet 10P/Tempel 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 10P/Tempel 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 10P/Tempel 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 10P/Tempel to Earth will happen on Tuesday 4 August 2026 at a distance of 0.414485 Astronomical Units, or 62,006,142 kilometers:

Tuesday 4 August 2026
62,006,142
0.414485

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 10P/Tempel, 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 10P/Tempel as a function of time

Orbital Elements

The following table lists the orbital elements of comet 10P/Tempel at epoch May, 12 2013 00:00 UTC (JD: 2456425.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.53640358
Orbit inclination i 12.02725131°
Perihelion distance q 1.42083031 AU
212,553,190 km
Aphelion distance Q 4.70876967 AU
704,421,918 km
Semi-major axis a 3.06479999 AU
458,487,554 km
Orbital period period 5.3655 years
1,959.7543 days
Date of perihelion transit Tp November 15, 2015
2,457,341.5811 JD
Next perihelion transit March 27, 2021
2,459,301.3354 JD
Argument of perihelion peri 195.54140401041°
Longitude of the ascending node node 117.80297999279°
Mean anomaly M 191.7191212244°
Mean motion n 0.18369649°/day

Orbit Visualization

The following chart is a 3D animated visualization of the orbit of comet 10P/Tempel 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 10P/Tempel 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 24 2025 11h 14m 10s +15° 45’ 08” 19.82 Leo
Jun 25 2025 11h 14m 49s +15° 39’ 19” 19.83 Leo
Jun 26 2025 11h 15m 29s +15° 33’ 27” 19.83 Leo
Jun 27 2025 11h 16m 09s +15° 27’ 30” 19.83 Leo
Jun 28 2025 11h 16m 50s +15° 21’ 31” 19.83 Leo
Jun 29 2025 11h 17m 32s +15° 15’ 28” 19.84 Leo
Jun 30 2025 11h 18m 15s +15° 09’ 21” 19.84 Leo
Jul 01 2025 11h 18m 58s +15° 03’ 12” 19.84 Leo
Jul 02 2025 11h 19m 42s +14° 56’ 59” 19.84 Leo
Jul 03 2025 11h 20m 27s +14° 50’ 43” 19.84 Leo
Jul 04 2025 11h 21m 12s +14° 44’ 23” 19.85 Leo
Jul 05 2025 11h 21m 58s +14° 38’ 01” 19.85 Leo
Jul 06 2025 11h 22m 44s +14° 31’ 36” 19.85 Leo
Jul 07 2025 11h 23m 30s +14° 25’ 07” 19.85 Leo

Additional Resources on TheSkyLive