Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:43 
Transit: 13:01 
Sunset: 21:19
warning Set your observing location to get relevant data
wb_twilight   (Civil Twilight)  
Planets Visible Tonight
Planets Visible Tonight
 • 
What's Visible Now • Tonight Sky
Search  close
Comets » 

Comet C/2016 U1 (NEOWISE)

Below the horizon.  Rise: 4:33 | Tran: 10:06 | Set: 15:39
Alt: -42.48°   Az: 344.42°   Direction: North-North-West

Comet C/2016 U1 (NEOWISE) is in the constellation of Eridanus, at a distance of 3,537,135,416.0 kilometers from Earth. The current Right Ascension is 03h 02m 02s and the Declination is -04° 55’ 49” (apparent coordinates). The predicted magnitude of Comet C/2016 U1 (NEOWISE) is 36.66 (data provided by JPL Horizons).

Finder Charts

Map showing Comet C/2016 U1 (NEOWISE) in Eridanus on June, 20 2025. Field of view: 50x30 degrees
View interactive star map
Sky map showing Comet C/2016 U1 (NEOWISE) in Eridanus on June, 20 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: 03h 00m 45s
Dec: -05° 01’ 48”
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 02m 02s
-04° 55’ 49”
11h 14m 07s
14h 16m 09s

J2000

03h 00m 45s
-05° 01’ 48”

Additional Information

Eridanus
n/a
n/a
n/a
n/a
36.66

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 below the horizon from Greenwich, UK.
  • 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 3,537,135,416.0 kilometers, equivalent to 23.6442898515 Astronomical Units. Light takes 3h 16m 38.614s to travel from Comet C/2016 U1 (NEOWISE) and arrive to us.

3,537,135,416.0
23.6442898515
3h 16m 38.614s

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 Jun 13 03h 01m 03s -04° 55’ 47” 36.65 Eridanus
2025 Jun 14 03h 01m 10s -04° 55’ 44” 36.65 Eridanus
2025 Jun 15 03h 01m 18s -04° 55’ 42” 36.65 Eridanus
2025 Jun 16 03h 01m 26s -04° 55’ 40” 36.65 Eridanus
2025 Jun 17 03h 01m 34s -04° 55’ 40” 36.65 Eridanus
2025 Jun 18 03h 01m 41s -04° 55’ 40” 36.65 Eridanus
2025 Jun 19 03h 01m 49s -04° 55’ 43” 36.66 Eridanus
2025 Jun 20 03h 01m 56s -04° 55’ 46” 36.66 Eridanus
2025 Jun 21 03h 02m 03s -04° 55’ 50” 36.66 Eridanus
2025 Jun 22 03h 02m 10s -04° 55’ 55” 36.66 Eridanus
2025 Jun 23 03h 02m 17s -04° 56’ 02” 36.66 Eridanus
2025 Jun 24 03h 02m 24s -04° 56’ 10” 36.66 Eridanus
2025 Jun 25 03h 02m 31s -04° 56’ 19” 36.66 Eridanus
2025 Jun 26 03h 02m 38s -04° 56’ 29” 36.66 Eridanus

Additional Resources on TheSkyLive