Comet 201P/LONEOS

Comet 201P/LONEOS is currently in the constellation of Leo. The current Right Ascension of Comet 201P/LONEOS is 11h 33m 24s and the Declination is +06° 10’ 45” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom [change]). The current estimated magnitude of Comet 201P/LONEOS is 20.02 (JPL).

Summary of key facts about Comet 201P/LONEOS [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 201P/LONEOS available on TheSkyLive:

Available Resources

• Position and finder charts (see also Where is Comet 201P/LONEOS?)
• Distance from Earth (see also How far is Comet 201P/LONEOS from Earth?)
• Rise and set times (see also When does Comet 201P/LONEOS rise and set?)
• Brightness (see also How bright is Comet 201P/LONEOS?)
• 15 days ephemerides. Table showing celestial coordinates and magnitude of Comet 201P/LONEOS for the past and next 7 days.
• Interactive sky chart. An online planetarium application that shows where to locate Comet 201P/LONEOS in the sky from your location.
• Live position tracker. A high precision sky chart that uses real deep sky imagery to help locate Comet 201P/LONEOS with your telescope or on your astrophotographies.

Higher precision deep sky finder chart, 60 arcmin wide, showing where Comet 201P/LONEOS is right now. Click on the image to see a more detailed fullscreen tracker view.

Also check out Where is Comet 201P/LONEOS?, a page that provides all the information needed to find Comet 201P/LONEOS in the sky and additional links to sky charts.

Comet 201P/LONEOS Distance from Earth

The distance of Comet 201P/LONEOS from Earth is currently 414,370,578 kilometers, equivalent to 2.769896 Astronomical Units. Light takes 23 minutes and 2.1915 seconds to travel from Comet 201P/LONEOS and arrive to us.

The following chart shows the distance of Comet 201P/LONEOS 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 201P/LONEOS from Earth is also available as a real time updated value in the Live Position and Data Tracker.

Closest approach of Comet 201P/LONEOS to Earth

Between January 2013 and December 2100, the closest approach of Comet 201P/LONEOS to Earth happens on Tue Nov 26 2097 at a distance of 0.367929 Astronomical Units, or 55,041,390 kilometers:

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

Comet 201P/LONEOS brightness

The current visual magnitude of Comet 201P/LONEOS is 20.02.

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 201P/LONEOS, 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 201P/LONEOS rise and set times

Today's Comet 201P/LONEOS 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 201P/LONEOS 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 201P/LONEOS 15 Days Ephemeris

The following table lists the ephemerides of Comet 201P/LONEOS computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Comet 201P/LONEOS in our Online Planetarium at the chosen date.

Date	Right AscensionR.A.	DeclinationDec.	MagnitudeMag	Constellation
2021 Oct 14	11h 19m 26s	+07° 43’ 11”	19.81	Leo
2021 Oct 15	11h 21m 15s	+07° 31’ 15”	19.84	Leo
2021 Oct 16	11h 23m 03s	+07° 19’ 23”	19.86	Leo
2021 Oct 17	11h 24m 50s	+07° 07’ 35”	19.89	Leo
2021 Oct 18	11h 26m 36s	+06° 55’ 50”	19.92	Leo
2021 Oct 19	11h 28m 23s	+06° 44’ 11”	19.94	Leo
2021 Oct 20	11h 30m 07s	+06° 32’ 35”	19.97	Leo
2021 Oct 21	11h 31m 51s	+06° 21’ 03”	19.99	Leo
2021 Oct 22	11h 33m 34s	+06° 09’ 37”	20.02	Leo
2021 Oct 23	11h 35m 17s	+05° 58’ 14”	20.04	Leo
2021 Oct 24	11h 37m 00s	+05° 46’ 54”	20.07	Leo
2021 Oct 25	11h 38m 40s	+05° 35’ 40”	20.09	Virgo
2021 Oct 26	11h 40m 20s	+05° 24’ 30”	20.12	Virgo
2021 Oct 27	11h 42m 01s	+05° 13’ 26”	20.14	Virgo