Comet 199P/Shoemaker 4

Comet 199P/Shoemaker 4 is currently in the constellation of Coma. The current Right Ascension of Comet 199P/Shoemaker 4 is 13h 33m 02s and the Declination is +15° 15’ 39” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom [change]). The current estimated magnitude of Comet 199P/Shoemaker 4 is 21.68 (JPL).

Summary of key facts about Comet 199P/Shoemaker 4 [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]:

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Additional information about Comet 199P/Shoemaker 4 available on TheSkyLive:

Available Resources

• Position and finder charts (see also Where is Comet 199P/Shoemaker 4?)
• Distance from Earth (see also How far is Comet 199P/Shoemaker 4 from Earth?)
• Rise and set times (see also When does Comet 199P/Shoemaker 4 rise and set?)
• Brightness (see also How bright is Comet 199P/Shoemaker 4?)
• Orbital elements. Detailed information about Comet 199P/Shoemaker 4 orbital parameters.
• Interactive orbit visualization. 3d visualization showing the orbit of Comet 199P/Shoemaker 4 with respect to the major Solar System objects.
• 15 days ephemerides. Table showing celestial coordinates and magnitude of Comet 199P/Shoemaker 4 for the past and next 7 days.
• Interactive sky chart. An online planetarium application that shows where to locate Comet 199P/Shoemaker 4 in the sky from your location.
• Live position tracker. A high precision sky chart that uses real deep sky imagery to help locate Comet 199P/Shoemaker 4 with your telescope or on your astrophotographies.

Higher precision deep sky finder chart, 60 arcmin wide, showing where Comet 199P/Shoemaker 4 is right now. Click on the image to see a more detailed fullscreen tracker view.

Also check out Where is Comet 199P/Shoemaker 4?, a page that provides all the information needed to find Comet 199P/Shoemaker 4 in the sky and additional links to sky charts.

Comet 199P/Shoemaker 4 Distance from Earth

The distance of Comet 199P/Shoemaker 4 from Earth is currently 772,447,286 kilometers, equivalent to 5.163491 Astronomical Units. Light takes 42 minutes and 56.6068 seconds to travel from Comet 199P/Shoemaker 4 and arrive to us.

The following chart shows the distance of Comet 199P/Shoemaker 4 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.

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 199P/Shoemaker 4 from Earth is also available as a real time updated value in the Live Position and Data Tracker.

Closest approach of Comet 199P/Shoemaker 4 to Earth

Between January 2013 and December 2100, the closest approach of Comet 199P/Shoemaker 4 to Earth happens on Fri Jun 28 2080 at a distance of 1.909520 Astronomical Units, or 285,660,183 kilometers:

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

Comet 199P/Shoemaker 4 brightness

The current visual magnitude of Comet 199P/Shoemaker 4 is 21.68.

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 199P/Shoemaker 4, 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.

Comet 199P/Shoemaker 4 rise and set times

Today's Comet 199P/Shoemaker 4 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

The rise and set times are defined as the time at which the upper limb of Comet 199P/Shoemaker 4 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.

Visualization of Comet 199P/Shoemaker 4 Orbit

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Comet 199P/Shoemaker 4 with respect of the Sun and the orbits of the major planets. The position of Comet 199P/Shoemaker 4 and the planets along their orbits in this diagram accurately represents the current configuration of the objects in the Solar System. This is an experimental feature and it requires a WebGL enabled browser. Please provide us feedback!

Comet 199P/Shoemaker 4 15 Days Ephemeris

The following table lists the ephemerides of Comet 199P/Shoemaker 4 computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Comet 199P/Shoemaker 4 in our Online Planetarium at the chosen date.

Date	Right AscensionR.A.	DeclinationDec.	MagnitudeMag	Constellation
2021 Dec 02	13h 27m 11s	+15° 25’ 58”	21.77	Coma
2021 Dec 03	13h 28m 00s	+15° 24’ 17”	21.76	Coma
2021 Dec 04	13h 28m 50s	+15° 22’ 41”	21.74	Coma
2021 Dec 05	13h 29m 38s	+15° 21’ 11”	21.73	Coma
2021 Dec 06	13h 30m 25s	+15° 19’ 45”	21.72	Coma
2021 Dec 07	13h 31m 14s	+15° 18’ 25”	21.71	Coma
2021 Dec 08	13h 32m 00s	+15° 17’ 11”	21.69	Coma
2021 Dec 09	13h 32m 48s	+15° 16’ 00”	21.68	Coma
2021 Dec 10	13h 33m 34s	+15° 14’ 57”	21.67	Coma
2021 Dec 11	13h 34m 20s	+15° 13’ 58”	21.65	Coma
2021 Dec 12	13h 35m 08s	+15° 13’ 04”	21.64	Coma
2021 Dec 13	13h 35m 53s	+15° 12’ 15”	21.63	Coma
2021 Dec 14	13h 36m 38s	+15° 11’ 31”	21.62	Bootes
2021 Dec 15	13h 37m 23s	+15° 10’ 54”	21.60	Bootes