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🌎  Greenwich, United Kingdom [change]

Comet 125P/Spacewatch

Comet 125P/Spacewatch is currently in the constellation of Orion. The current Right Ascension of Comet 125P/Spacewatch is 04h 58m 50s and the Declination is +10° 09’ 16” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom [change]). The current estimated magnitude of Comet 125P/Spacewatch is 26.72 (JPL).

Summary of key facts about Comet 125P/Spacewatch [tip: you can also create a Quick Access page for this data if you access it frequently and would like to have a simpler view]:

04h 58m 50s
+10° 09’ 16”

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.

Additional information about Comet 125P/Spacewatch available on TheSkyLive:

Available Resources

Comet 125P/Spacewatch Position and Finder Charts

Below we provide Comet 125P/Spacewatch 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.

Map showing Comet 125P/Spacewatch in Orion on November, 28 2021
Field of view: 50x30 degrees
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Map showing Comet 125P/Spacewatch in Orion on November, 28 2021
Field of view: 10x6 degrees
View fullscreen
 = visible to the naked eye
 = binocular, brighter than 10th magnitude
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

Higher precision deep sky finder chart, 60 arcmin wide, showing where Comet 125P/Spacewatch is right now. Click on the image to see a more detailed fullscreen tracker view.

RA: 04h 58m 50s
Dec: +10° 09’ 16”
Deep sky finder chart for Comet 125P/Spacewatch
Field of view: 60x40 arcmins
View fullscreen

Also check out Where is Comet 125P/Spacewatch?, a page that provides all the information needed to find Comet 125P/Spacewatch in the sky and additional links to sky charts.

Comet 125P/Spacewatch Distance from Earth

The distance of Comet 125P/Spacewatch from Earth is currently 547,358,268 kilometers, equivalent to 3.658864 Astronomical Units. Light takes 30 minutes and 25.7907 seconds to travel from Comet 125P/Spacewatch and arrive to us.

30 minutes and 25.7907 seconds

The following chart shows the distance of Comet 125P/Spacewatch 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.

Distance of Comet 125P/Spacewatch from Earth between January 2013 and December 2100

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 125P/Spacewatch from Earth is also available as a real time updated value in the Live Position and Data Tracker.

Closest approach of Comet 125P/Spacewatch to Earth

Between January 2013 and December 2100, the closest approach of Comet 125P/Spacewatch to Earth happens on Tue Jun 5 2046 at a distance of 0.603973 Astronomical Units, or 90,353,140 kilometers:

Tue Jun 5 2046

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

Comet 125P/Spacewatch brightness

The current visual magnitude of Comet 125P/Spacewatch is 26.72.


The observed magnitude and coma diameter values are derived from the Comet Observers Database by averaging the values reported in recent observations (more recent than 4 days), when available. The Estimated Magnitude comes from the JPL Horizons ephemerides service and might be inaccurate given the highly dynamic and unpredictable behavior of comets. When available, please refer to the Observed Magnitude value and consider the Estimated 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.

The following chart is the predicted light curve (visual magnitude as a function of time) of Comet 125P/Spacewatch, 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.

Predicted magnitude of Comet 125P/Spacewatch between January 2013 and December 2100

Comet 125P/Spacewatch rise and set times

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's Comet 125P/Spacewatch rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 79.9°
Max altitude: 48.7°
Azimuth: 280.2°

The rise and set times are defined as the time at which the upper limb of Comet 125P/Spacewatch touches the horizon, considering the effect of the atmospheric refraction. As the atmospheric conditions cannot be modeled precisely the times reported here should be considered correct with an approximation of few minutes.

Comet 125P/Spacewatch 15 Days Ephemeris

The following table lists the ephemerides of Comet 125P/Spacewatch computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Comet 125P/Spacewatch in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2021 Nov 21 05h 04m 04s +10° 21’ 42” 26.75 Orion
2021 Nov 22 05h 03m 23s +10° 19’ 54” 26.74 Orion
2021 Nov 23 05h 02m 40s +10° 18’ 07” 26.74 Orion
2021 Nov 24 05h 01m 59s +10° 16’ 23” 26.73 Orion
2021 Nov 25 05h 01m 17s +10° 14’ 41” 26.73 Orion
2021 Nov 26 05h 00m 33s +10° 13’ 02” 26.72 Orion
2021 Nov 27 04h 59m 50s +10° 11’ 26” 26.72 Orion
2021 Nov 28 04h 59m 07s +10° 09’ 52” 26.72 Orion
2021 Nov 29 04h 58m 23s +10° 08’ 21” 26.71 Orion
2021 Nov 30 04h 57m 38s +10° 06’ 54” 26.71 Orion
2021 Dec 01 04h 56m 54s +10° 05’ 29” 26.70 Orion
2021 Dec 02 04h 56m 09s +10° 04’ 06” 26.70 Orion
2021 Dec 03 04h 55m 26s +10° 02’ 48” 26.70 Orion
2021 Dec 04 04h 54m 41s +10° 01’ 32” 26.69 Orion