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Asteroid 2016 WF9

Asteroid 2016 WF9 is currently in the constellation of Cetus. The current Right Ascension of Asteroid 2016 WF9 is 00h 06m 21s and the Declination is -07° 28’ 39” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom [change]). The current magnitude of Asteroid 2016 WF9 is 25.76 (JPL).

Summary of key facts about Asteroid 2016 WF9 [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]:

00h 06m 21s
-07° 28’ 39”
  • 2016 WF9 is above the horizon from Greenwich, United Kingdom [change].
  • It is visible looking in the East-South-East direction at an altitude of 7° above the horizon.
  • Given its current magnitude, 2016 WF9 is visible only through long exposure photography.
  • See also 2016 WF9 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 2016 WF9 available on TheSkyLive:

Available Resources

Asteroid 2016 WF9 Position and Finder Charts

Below we provide Asteroid 2016 WF9 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 2016 WF9 in Cetus on May, 06 2021
Field of view: 50x30 degrees
View fullscreen
Map showing Asteroid 2016 WF9 in Cetus on May, 06 2021
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]

Higher precision deep sky finder chart, 60 arcmin wide, showing where Asteroid 2016 WF9 is right now. Click on the image to see a more detailed fullscreen tracker view.

2016 WF9
RA: 00h 06m 21s
Dec: -07° 28’ 39”
Deep sky finder chart for Asteroid 2016 WF9
Field of view: 60x40 arcmins
View fullscreen

Also check out Where is Asteroid 2016 WF9?, a page that provides all the information needed to find Asteroid 2016 WF9 in the sky and additional links to sky charts.

Asteroid 2016 WF9 Distance from Earth

The distance of Asteroid 2016 WF9 from Earth is currently 473,186,042 kilometers, equivalent to 3.163053 Astronomical Units. Light takes 26 minutes and 18.3787 seconds to travel from Asteroid 2016 WF9 and arrive to us.

26 minutes and 18.3787 seconds

The following chart shows the distance of Asteroid 2016 WF9 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 2016 WF9 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 2016 WF9 from Earth is also available as a real time updated value in the Live Position and Data Tracker.

Closest approach of Asteroid 2016 WF9 to Earth

Between January 2013 and December 2100, the closest approach of Asteroid 2016 WF9 to Earth happens on Sat Dec 30 2045 at a distance of 0.141124 Astronomical Units, or 21,111,796 kilometers:

Sat Dec 30 2045

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

Asteroid 2016 WF9 brightness

The current visual magnitude of Asteroid 2016 WF9 is 25.76.


The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid 2016 WF9, 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 2016 WF9 between January 2013 and December 2100

Asteroid 2016 WF9 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 2016 WF9 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 97.5°
Max altitude: 31.1°
Azimuth: 262.6°

The rise and set times are defined as the time at which the upper limb of Asteroid 2016 WF9 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 2016 WF9 Orbital Elements

The following table lists the orbital elements of Asteroid 2016 WF9 at epoch 16 December 2020 00:00 UTC (JD: 2459200.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.66410111
Orbit inclination i 15.16480004°
Perihelion distance q 0.95924645 AU
143,501,227 km
Aphelion distance Q 4.75227256 AU
710,929,858 km
Semi-major axis a 2.85575951 AU
427,215,542 km
Orbital period period 4.8300 years
1,762.7100 days
Date of perihelion transit Tp 2021-Dec-09 03:24:47
2,459,557.6422 JD
Argument of perihelion peri 342.7888370009°
Longitude of the ascending node node 125.20116342929°
Mean anomaly M 287.06049499854°
Mean motion n 0.20423098°/day

Visualization of Asteroid 2016 WF9 Orbit

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Asteroid 2016 WF9 with respect of the Sun and the orbits of the major planets. The position of Asteroid 2016 WF9 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 2016 WF9
View Asteroid 2016 WF9 in the 3D Solar System Simulator

Asteroid 2016 WF9 15 Days Ephemeris

The following table lists the ephemerides of Asteroid 2016 WF9 computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Asteroid 2016 WF9 in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2021 Apr 29 23h 55m 20s -08° 17’ 20” 25.83 Aquarius
2021 Apr 30 23h 56m 52s -08° 10’ 30” 25.82 Cetus
2021 May 01 23h 58m 23s -08° 03’ 42” 25.81 Cetus
2021 May 02 23h 59m 56s -07° 56’ 53” 25.80 Cetus
2021 May 03 00h 01m 27s -07° 50’ 07” 25.79 Cetus
2021 May 04 00h 02m 58s -07° 43’ 21” 25.78 Cetus
2021 May 05 00h 04m 32s -07° 36’ 36” 25.77 Cetus
2021 May 06 00h 06m 03s -07° 29’ 53” 25.76 Cetus
2021 May 07 00h 07m 36s -07° 23’ 09” 25.75 Cetus
2021 May 08 00h 09m 10s -07° 16’ 28” 25.74 Cetus
2021 May 09 00h 10m 42s -07° 09’ 48” 25.73 Cetus
2021 May 10 00h 12m 15s -07° 03’ 10” 25.72 Cetus
2021 May 11 00h 13m 49s -06° 56’ 31” 25.71 Cetus
2021 May 12 00h 15m 23s -06° 49’ 55” 25.69 Cetus