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🌎 Location: Greenwich, United Kingdom [change]

Asteroid (NEO) 2017 WJ16

Asteroid (NEO) 2017 WJ16 is a Near Earth Object. If you've heard news about a potential impact of this asteroid with the Earth, please check out Will Asteroid Asteroid (NEO) 2017 WJ16 Impact Earth?.

Asteroid (NEO) 2017 WJ16 is currently in the constellation of Hydra. The current Right Ascension of Asteroid (NEO) 2017 WJ16 is 09h 33m 32s and the Declination is -17° 23’ 52” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom [change]). The current magnitude of Asteroid (NEO) 2017 WJ16 is 22.70 (JPL).

Summary of key facts about Asteroid (NEO) 2017 WJ16 [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]:

09h 33m 32s
-17° 23’ 52”
  • 2017 WJ16 is above the horizon from Greenwich, United Kingdom [change].
  • It is visible looking in the South-West direction at an altitude of 14° above the horizon.
  • Given its current magnitude, 2017 WJ16 is visible only through long exposure photography.
  • See also 2017 WJ16 rise and set times.
  • 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.

Additional information about Asteroid (NEO) 2017 WJ16 available on TheSkyLive:

Available Resources

Asteroid (NEO) 2017 WJ16 Position and Finder Charts

Below we provide Asteroid (NEO) 2017 WJ16 finder charts showing where the object is right now in the sky with respect to the brightest stars. The first finder chart has a field of view of 50 degrees, while the second one has a field of view of 10 degrees. Click on each finder chart to access a full screen interactive Online Planetarium.

Map showing Asteroid (NEO) 2017 WJ16 in Hydra on October, 27 2020
Field of view: 50x30 degrees
View fullscreen
Map showing Asteroid (NEO) 2017 WJ16 in Hydra on October, 27 2020
Field of view: 10x6 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]

Also check out Where is Asteroid (NEO) 2017 WJ16?, a page that provides all the information needed to find Asteroid (NEO) 2017 WJ16 in the sky and additional links to sky charts.

Asteroid (NEO) 2017 WJ16 Distance from Earth

The distance of Asteroid (NEO) 2017 WJ16 from Earth is currently 10,808,705 kilometers, equivalent to 0.072252 Astronomical Units. Light takes 36.0540 seconds to travel from Asteroid (NEO) 2017 WJ16 and arrive to us.

36.0540 seconds

The following chart shows the distance of Asteroid (NEO) 2017 WJ16 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 Asteroid (NEO) 2017 WJ16 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.

Closest approach of Asteroid (NEO) 2017 WJ16 to Earth

During the next 10 years, the closest approach of Asteroid (NEO) 2017 WJ16 to Earth happens on Mon Nov 23 2020 at a distance of 0.012709 Astronomical Units, or 1,901,268 kilometers:

Mon Nov 23 2020

Asteroid (NEO) 2017 WJ16 brightness

The current visual magnitude of Asteroid (NEO) 2017 WJ16 is 22.70.


The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid (NEO) 2017 WJ16, 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 Asteroid (NEO) 2017 WJ16 between January 2013 and December 2100

Asteroid (NEO) 2017 WJ16 rise and set times

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

Today's Asteroid (NEO) 2017 WJ16 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 107.5°
Max altitude: 21.1°
Azimuth: 252.7°

The rise and set times are defined as the time at which the upper limb of Asteroid (NEO) 2017 WJ16 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.

Asteroid (NEO) 2017 WJ16 Orbital Elements

The following table lists the orbital elements of Asteroid (NEO) 2017 WJ16 at epoch 30 May 2020 00:00 UTC (JD: 2459000.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.21189743
Orbit inclination i 5.77080866°
Perihelion distance q 0.64956260 AU
97,173,183 km
Aphelion distance Q 0.99885889 AU
149,427,163 km
Semi-major axis a 0.82421074 AU
123,300,173 km
Orbital period period 0.7500 years
273.3102 days
Date of perihelion transit Tp 2020-Jul-15 00:29:07
2,459,045.5202 JD
Next perihelion transit 2021-Apr-14 07:55
2,459,318.8304 JD
Argument of perihelion peri 187.05209435849°
Longitude of the ascending node node 59.194146623236°
Mean anomaly M 300.70005168729°
Mean motion n 1.31718467°/day

Visualization of Asteroid (NEO) 2017 WJ16 Orbit

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Asteroid (NEO) 2017 WJ16 with respect of the Sun and the orbits of the major planets. The position of Asteroid (NEO) 2017 WJ16 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 Asteroid (NEO) 2017 WJ16
View Asteroid (NEO) 2017 WJ16 in the 3D Solar System Simulator

Asteroid (NEO) 2017 WJ16 15 Days Ephemeris

The following table lists the ephemerides of Asteroid (NEO) 2017 WJ16 computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Asteroid (NEO) 2017 WJ16 in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2020 Oct 20 09h 44m 08s -19° 17’ 35” 23.66 Hydra
2020 Oct 21 09h 42m 41s -19° 04’ 46” 23.53 Hydra
2020 Oct 22 09h 41m 13s -18° 51’ 11” 23.41 Hydra
2020 Oct 23 09h 39m 47s -18° 36’ 47” 23.28 Hydra
2020 Oct 24 09h 38m 22s -18° 21’ 29” 23.15 Hydra
2020 Oct 25 09h 36m 57s -18° 05’ 17” 23.02 Hydra
2020 Oct 26 09h 35m 34s -17° 48’ 02” 22.88 Hydra
2020 Oct 27 09h 34m 09s -17° 29’ 44” 22.75 Hydra
2020 Oct 28 09h 32m 44s -17° 10’ 14” 22.62 Hydra
2020 Oct 29 09h 31m 18s -16° 49’ 24” 22.48 Hydra
2020 Oct 30 09h 29m 53s -16° 27’ 10” 22.34 Hydra
2020 Oct 31 09h 28m 23s -16° 03’ 19” 22.20 Hydra
2020 Nov 01 09h 26m 53s -15° 37’ 41” 22.05 Hydra
2020 Nov 02 09h 25m 19s -15° 10’ 01” 21.90 Hydra