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Comets » 

Comet C/2016 U1 (NEOWISE)

Above the horizon.  Rise: 5:22 | Tran: 10:56 | Set: 16:29
Alt: 28.14°   Az: 145.98°   Direction: South-East

Comet C/2016 U1 (NEOWISE) is in the constellation of Eridanus, at a distance of 3,548,061,666.0 kilometers from Earth. The current Right Ascension is 03h 00m 16s and the Declination is -04° 56’ 30” (apparent coordinates). The predicted magnitude of Comet C/2016 U1 (NEOWISE) is 36.65 (data provided by JPL Horizons).

Finder Charts

Map showing Comet C/2016 U1 (NEOWISE) in Eridanus on June, 07 2025. Field of view: 50x30 degrees
View interactive star map
Sky map showing Comet C/2016 U1 (NEOWISE) in Eridanus on June, 07 2025. Field of view: 15x9 degrees. View in interactive sky chart

High precision deep sky finder chart, 60 arcmin wide, showing where Comet C/2016 U1 (NEOWISE) is right now. Click on the image to see a more detailed fullscreen tracker view.

C/2016 U1 (NEOWISE)
RA: 02h 58m 59s
Dec: -05° 02’ 31”
Deep sky finder chart for Comet C/2016 U1 (NEOWISE). Field of view: 60x40 arcmins. View in deep sky object tracker

Also check out Where is Comet C/2016 U1 (NEOWISE)?, a page that provides all the information needed to find Comet C/2016 U1 (NEOWISE) in the sky and additional links to sky charts.

Celestial Coordinates

Apparent

03h 00m 16s
-04° 56’ 30”
22h 01m 15s
01h 01m 31s

J2000

02h 58m 59s
-05° 02’ 31”

Additional Information

Eridanus
n/a
n/a
n/a
n/a
36.65

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 C/2016 U1 (NEOWISE) from Greenwich, UK (all times relative to the local timezone Europe/London):

Azimuth: 94.9°
Max altitude: 33.6°
Azimuth: 265.1°
  • C/2016 U1 (NEOWISE) is above the horizon from Greenwich, UK.
  • Right now it is placed in the South-East direction at an altitude of 28.14° above the horizon.
  • Given its current magnitude, C/2016 U1 (NEOWISE) 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 C/2016 U1 (NEOWISE) from Earth is currently 3,548,061,666.0 kilometers, equivalent to 23.7173273216 Astronomical Units. Light takes 3h 17m 15.060s to travel from Comet C/2016 U1 (NEOWISE) and arrive to us.

3,548,061,666.0
23.7173273216
3h 17m 15.060s

The following chart shows the distance of Comet C/2016 U1 (NEOWISE) 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 C/2016 U1 (NEOWISE) 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 C/2016 U1 (NEOWISE) 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 C/2016 U1 (NEOWISE) to Earth happens on Mon Dec 12 2016 at a distance of 0.709002 Astronomical Units, or 106,065,204 kilometers:

Mon Dec 12 2016
106,065,204
0.709002

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 C/2016 U1 (NEOWISE), 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 C/2016 U1 (NEOWISE) as a function of time

Orbital Elements

The following table lists the orbital elements of Comet C/2016 U1 (NEOWISE) at epoch 11 December 2016 00:00 UTC (JD: 2457734.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 1.00025297
Orbit inclination i 46.43483258°
Perihelion distance q 0.31916965 AU
47,747,100 km
Aphelion distance Q n.a.
Semi-major axis a n.a.
Orbital period period n.a.
Date of perihelion transit Tp 2017-Jan-14 00:24:03
2,457,767.5167 JD
Argument of perihelion peri 162.74827034161°
Longitude of the ascending node node 61.428520744735°
Mean anomaly M -0.00072613145388743°
Mean motion n 0.00002199°/day
2h1>Orbit Visualization
Orbit Diagram of Comet C/2016 U1 (NEOWISE)
View Comet C/2016 U1 (NEOWISE) in the 3D Solar System Simulator

15 Days Ephemeris

The following table lists the ephemerides of Comet C/2016 U1 (NEOWISE) 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 May 31 02h 59m 13s -04° 58’ 17” 36.64 Eridanus
2025 Jun 01 02h 59m 22s -04° 57’ 59” 36.64 Eridanus
2025 Jun 02 02h 59m 30s -04° 57’ 43” 36.64 Eridanus
2025 Jun 03 02h 59m 39s -04° 57’ 26” 36.64 Eridanus
2025 Jun 04 02h 59m 48s -04° 57’ 11” 36.64 Eridanus
2025 Jun 05 02h 59m 56s -04° 56’ 57” 36.65 Eridanus
2025 Jun 06 03h 00m 05s -04° 56’ 46” 36.65 Eridanus
2025 Jun 07 03h 00m 13s -04° 56’ 34” 36.65 Eridanus
2025 Jun 08 03h 00m 22s -04° 56’ 23” 36.65 Eridanus
2025 Jun 09 03h 00m 30s -04° 56’ 14” 36.65 Eridanus
2025 Jun 10 03h 00m 38s -04° 56’ 05” 36.65 Eridanus
2025 Jun 11 03h 00m 46s -04° 55’ 59” 36.65 Eridanus
2025 Jun 12 03h 00m 55s -04° 55’ 53” 36.65 Eridanus
2025 Jun 13 03h 01m 03s -04° 55’ 48” 36.65 Eridanus

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