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Comet C/2019 H1 (NEOWISE)

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Comet C/2019 H1 (NEOWISE) Position

Comet C/2019 H1 (NEOWISE) is currently in the constellation of Bootes. The current Right Ascension is 14h 21m 13s and the Declination is +46° 53’ 52”.

14h 21m 13s
+46° 53’ 52”

Simplified sky chart showing where Comet C/2019 H1 (NEOWISE) is right now in the sky with respect to the brightest stars and constellations (see fuillscreen Online Planetarium)

Map showing Comet C/2019 H1 (NEOWISE) in Bootes on September, 15 2019
Field of view: 60x30 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]

Hihgher precision deep sky finder chart showing where Comet C/2019 H1 (NEOWISE) is right now (view fullscreen)

C/2019 H1
RA: 14h 21m 13s
Dec: +46° 53’ 52”
Deep sky finder chart for Comet C/2019 H1 (NEOWISE)
Field of view: 60x40 arcmins
View fullscreen

Also check out Where is Comet C/2019 H1 (NEOWISE)?, a page that provides all the information needed to find Comet C/2019 H1 (NEOWISE) in the sky and additional links to sky charts.

Comet C/2019 H1 (NEOWISE) Distance

The distance of Comet C/2019 H1 (NEOWISE) from Earth is currently 437,296,200 kilometers, equivalent to 2.923145 Astronomical Units. Light takes 24 minutes and 18.6631 seconds to travel from Comet C/2019 H1 (NEOWISE) and arrive to us.

24 minutes and 18.6631 seconds

The following chart shows the distance of Comet C/2019 H1 (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.

Distance of Comet C/2019 H1 (NEOWISE) 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 C/2019 H1 from Earth is also available as a real time updated value in the Live Position and Data Tracker.

Closest approach of Comet C/2019 H1 (NEOWISE) to Earth

Between January 2013 and December 2100 the closest approach of Comet C/2019 H1 (NEOWISE) to Earth happens on Wed May 22 2019 at a distance of 1.21651707 Astronomical Units, or 181,988,364 kilometers:

Wed May 22 2019

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

Comet C/2019 H1 (NEOWISE) brightness

The current visual magnitude of Comet C/2019 H1 (NEOWISE) is 22.66.


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 behvior 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 C/2019 H1 (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.

Predicted magnitude of Comet C/2019 H1 (NEOWISE) between January 2013 and December 2100

Comet C/2019 H1 (NEOWISE) rise and set times

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

Comet C/2019 H1 (NEOWISE) is circumpolar and transits at 14:44 UTC (altitude: 85.4°)

The rise and set times are defined as the time at which the upper limb of Comet C/2019 H1 (NEOWISE) touches the horizon, consideting the effect of the atmospheric refraction. As the atmoshpere conditions cannot be modeled precisely the times reported here should be considered correct with an approximation of few minutes.

Comet C/2019 H1 (NEOWISE) Orbital Elements

The following table lists the orbital elements of Comet C/2019 H1 (NEOWISE) at epoch 16 May 2019 00:00 UTC (JD: 2458620.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.99200667
Orbit inclination i 104.57920067°
Perihelion distance q 1.84474522 AU
275,969,958 km
Aphelion distance Q 459.72619512 AU
68,774,060,033 km
Semi-major axis a 230.78547017 AU
34,525,014,996 km
Orbital period period 3,506.0700 years
1,280,592.9934 days
Date of perihelion transit Tp 2019-Apr-27 17:34:06
2,458,601.2320 JD
Next perihelion transit 5525-Jun-19 17:24
3,739,194.2255 JD
Argument of perihelion peri 19.27981544494°
Longitude of the ascending node node 269.18480859982°
Mean anomaly M 0.0054166084834998°
Mean motion n 0.00028112°/day

Visualization of Comet C/2019 H1 (NEOWISE) Orbit

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Comet C/2019 H1 (NEOWISE) with respect of the Sun and the orbits of the major planets. The position of Comet C/2019 H1 (NEOWISE) 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!

Orbit Diagram of Comet C/2019 H1 (NEOWISE)
View Comet C/2019 H1 (NEOWISE) in the 3D Solar System Simulator

Comet C/2019 H1 (NEOWISE) 15 Days Ephemeris

The following table lists the ephemerides of Comet C/2019 H1 (NEOWISE) computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Comet C/2019 H1 (NEOWISE) in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2019 Sep 08 14h 17m 56s +47° 13’ 18” 22.42 Bootes
2019 Sep 09 14h 18m 17s +47° 10’ 13” 22.45 Bootes
2019 Sep 10 14h 18m 42s +47° 07’ 17” 22.49 Bootes
2019 Sep 11 14h 19m 05s +47° 04’ 30” 22.52 Bootes
2019 Sep 12 14h 19m 32s +47° 01’ 53” 22.55 Bootes
2019 Sep 13 14h 19m 59s +46° 59’ 26” 22.58 Bootes
2019 Sep 14 14h 20m 26s +46° 57’ 07” 22.61 Bootes
2019 Sep 15 14h 20m 56s +46° 55’ 00” 22.64 Bootes
2019 Sep 16 14h 21m 25s +46° 53’ 03” 22.68 Bootes
2019 Sep 17 14h 21m 56s +46° 51’ 15” 22.71 Bootes
2019 Sep 18 14h 22m 27s +46° 49’ 37” 22.74 Bootes
2019 Sep 19 14h 23m 00s +46° 48’ 11” 22.77 Bootes
2019 Sep 20 14h 23m 35s +46° 46’ 53” 22.80 Bootes
2019 Sep 21 14h 24m 10s +46° 45’ 46” 22.83 Bootes