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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:49 
Transit: 11:50 
Sunset: 15:51
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Dwarf Planets and Asteroids » 

Asteroid 2016 WF9

Above the horizon.  Rise: 12:16 | Tran: 16:12 | Set: 20:08
Alt: 15.71°   Az: 168.71°   Direction: South-South-East

Asteroid 2016 WF9 is in the constellation of Capricornus, at a distance of 527,329,572.0 kilometers from Earth. The current Right Ascension is 21h 11m 30s and the Declination is -22° 05’ 37” (apparent coordinates). The magnitude of asteroid 2016 WF9 is 26.17.

Finder Charts

The sky charts below show, at different resolutions, the position of asteroid 2016 WF9 in the sky. Click on each chart to access the interactive star map tool.

Star map showing the position of asteroid 2016 WF9 in the constellation of Capricornus on December 5, 2025. Field of view: 50x30 degrees. View interactive star map.
Star map showing the position of asteroid 2016 WF9 in the constellation of Capricornus on December 5, 2025. Field of view: 15x9 degrees. View in interactive star map.

The following map uses photographic imagery from the Digitized Sky Survey (DSS) to realistically visualize the precise position of asteroid 2016 WF9 against the stars in the background. The horizontal size of the map measures 60 arcminutes. Click on the image to access a more detailed full-screen view.

2016 WF9
RA: 21h 10m 01s
Dec: -22° 12’ 02”
Simplified high-resolution deep sky chart showing the current position of asteroid 2016 WF9. Field of view: 60 x 40 arcminutes. Go to the dedicated page

Equatorial Coordinates

Apparent

21h 11m 30s
-22° 05’ 37”
23h 13m 04s
20h 24m 34s

J2000

21h 10m 01s
-22° 12’ 02”

Additional Information

Capricornus
26.17

Rise and Set Times

The following table lists today's rise, transit and set times of asteroid 2016 WF9 from Greenwich, UK (all times relative to the local timezone Europe/London):

Azimuth: 112.1°
Max altitude: 16.4°
Azimuth: 247.9°

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 asteroid 2016 WF9 from Earth is currently 527,329,572.0 kilometers, equivalent to 3.5249804662 Astronomical Units. Light takes 29m 18.982s to travel from asteroid 2016 WF9 and arrive to us.

527,329,572.0
3.5249804662
29m 18.982s

The following graph shows the distance of asteroid 2016 WF9 from Earth as a function of time. In the chart the distance is measured in Astronomical Units and the data is sampled with an interval of 1 day.

Chart of the distance of asteroid 2016 WF9 from Earth in Astronomical Units (au)
Note: The values in this chart may not be entirely accurate around the time of closest approach for objects passing very close to Earth at high speed (e.g., Near-Earth Objects).

The value of the distance of 2016 WF9 from Earth is also available as a real time updated value in the live position tracker.

Closest Approach to Earth

In the period between January 1, 2000 and December 31, 2099, the closest approach of asteroid 2016 WF9 to Earth will happen on Sunday 31 December 2045 at a distance of 0.139344 Astronomical Units, or 20,845,601 kilometers:

Sunday 31 December 2045
20,845,601
0.139344

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

Light Curve

The following chart shows the light curve of asteroid 2016 WF9, i.e., its apparent magnitude as a function of time. The curve is calculated using the latest ephemerides provided by JPL Horizons. The magnitude data is sampled with the interval of 2 days. Because of this sampling, inaccuracies may occur for objects that have large variations of brightness over a few days. For comets, large discrepancies can arise between the calculated brightness and the observations due to their highly dynamic, and not always precisely predictable, behavior.

Chart of the magnitude of asteroid 2016 WF9 as a function of time

Orbital Elements

The following table lists the orbital elements of asteroid 2016 WF9 at epoch October, 16 2024 00:00 UTC (JD: 2460600.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.66484134
Orbit inclination i 15.17758252°
Perihelion distance q 0.95518152 AU
142,893,122 km
Aphelion distance Q 4.74469515 AU
709,796,293 km
Semi-major axis a 2.84993834 AU
426,344,708 km
Orbital period period 4.8113 years
1,757.3231 days
Date of perihelion transit Tp October 2, 2026
2,461,315.5411 JD
Argument of perihelion peri 342.89250683482°
Longitude of the ascending node node 125.15859497613°
Mean anomaly M 213.51880183399°
Mean motion n 0.20485703°/day

Orbit Visualization

The following chart is a 3D animated visualization of the orbit of asteroid 2016 WF9 relative to the other major objects in the Solar System. You can access more advanced features using our 3D Solar System Viewer.

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. Apparent celestial coordinates are provided.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
Nov 28 2025 21h 04m 52s -22° 31’ 57” 26.18 Capricornus
Nov 29 2025 21h 05m 41s -22° 28’ 44” 26.18 Capricornus
Nov 30 2025 21h 06m 32s -22° 25’ 26” 26.18 Capricornus
Dec 01 2025 21h 07m 23s -22° 22’ 04” 26.18 Capricornus
Dec 02 2025 21h 08m 15s -22° 18’ 39” 26.18 Capricornus
Dec 03 2025 21h 09m 07s -22° 15’ 09” 26.17 Capricornus
Dec 04 2025 21h 10m 01s -22° 11’ 36” 26.17 Capricornus
Dec 05 2025 21h 10m 55s -22° 07’ 58” 26.17 Capricornus
Dec 06 2025 21h 11m 50s -22° 04’ 18” 26.17 Capricornus
Dec 07 2025 21h 12m 46s -22° 00’ 33” 26.16 Capricornus
Dec 08 2025 21h 13m 42s -21° 56’ 44” 26.16 Capricornus
Dec 09 2025 21h 14m 39s -21° 52’ 52” 26.16 Capricornus
Dec 10 2025 21h 15m 36s -21° 48’ 55” 26.15 Capricornus
Dec 11 2025 21h 16m 35s -21° 44’ 56” 26.15 Capricornus

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