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🌎  Greenwich, United Kingdom [change]

Asteroid (NEO) 2021 UO1

Asteroid (NEO) 2021 UO1 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) 2021 UO1 Impact Earth?.

Asteroid (NEO) 2021 UO1 is currently in the constellation of Gemini. The current Right Ascension of Asteroid (NEO) 2021 UO1 is 06h 59m 27s and the Declination is +24° 18’ 24” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom [change]). The current magnitude of Asteroid (NEO) 2021 UO1 is 29.71 (JPL).

Summary of key facts about Asteroid (NEO) 2021 UO1 [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]:

06h 59m 27s
+24° 18’ 24”
  • 2021 UO1 is above the horizon from Greenwich, United Kingdom [change].
  • It is visible looking in the East-North-East direction at an altitude of 9° above the horizon.
  • Given its current magnitude, 2021 UO1 is visible only through long exposure photography.
  • See also 2021 UO1 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) 2021 UO1 available on TheSkyLive:

Available Resources

Asteroid (NEO) 2021 UO1 Position and Finder Charts

Below we provide Asteroid (NEO) 2021 UO1 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) 2021 UO1 in Gemini on September, 25 2022
Field of view: 50x30 degrees
View fullscreen
Map showing Asteroid (NEO) 2021 UO1 in Gemini on September, 25 2022
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) 2021 UO1?, a page that provides all the information needed to find Asteroid (NEO) 2021 UO1 in the sky and additional links to sky charts.

Asteroid (NEO) 2021 UO1 Distance from Earth

The distance of Asteroid (NEO) 2021 UO1 from Earth is currently 100,612,076 kilometers, equivalent to 0.672550 Astronomical Units. Light takes 5 minutes and 35.6058 seconds to travel from Asteroid (NEO) 2021 UO1 and arrive to us.

5 minutes and 35.6058 seconds

The following chart shows the distance of Asteroid (NEO) 2021 UO1 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) 2021 UO1 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) 2021 UO1 to Earth

During the next 10 years, the closest approach of Asteroid (NEO) 2021 UO1 to Earth happens on Thu Oct 25 2029 at a distance of 0.007178 Astronomical Units, or 1,073,870 kilometers:

Thu Oct 25 2029

Asteroid (NEO) 2021 UO1 brightness

The current visual magnitude of Asteroid (NEO) 2021 UO1 is 29.71.


The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid (NEO) 2021 UO1, 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) 2021 UO1 between January 2013 and December 2100

Asteroid (NEO) 2021 UO1 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) 2021 UO1 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 65.7°
Max altitude: 62.7°
Azimuth: 294.3°

The rise and set times are defined as the time at which the upper limb of Asteroid (NEO) 2021 UO1 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) 2021 UO1 15 Days Ephemeris

The following table lists the ephemerides of Asteroid (NEO) 2021 UO1 computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Asteroid (NEO) 2021 UO1 in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2022 Sep 18 06h 55m 37s +23° 15’ 39” 29.75 Gemini
2022 Sep 19 06h 56m 08s +23° 23’ 22” 29.75 Gemini
2022 Sep 20 06h 56m 39s +23° 31’ 09” 29.75 Gemini
2022 Sep 21 06h 57m 10s +23° 38’ 56” 29.74 Gemini
2022 Sep 22 06h 57m 38s +23° 46’ 45” 29.74 Gemini
2022 Sep 23 06h 58m 08s +23° 54’ 39” 29.73 Gemini
2022 Sep 24 06h 58m 35s +24° 02’ 36” 29.72 Gemini
2022 Sep 25 06h 59m 02s +24° 10’ 38” 29.72 Gemini
2022 Sep 26 06h 59m 26s +24° 18’ 45” 29.71 Gemini
2022 Sep 27 06h 59m 52s +24° 26’ 57” 29.70 Gemini
2022 Sep 28 07h 00m 14s +24° 35’ 14” 29.69 Gemini
2022 Sep 29 07h 00m 34s +24° 43’ 37” 29.68 Gemini
2022 Sep 30 07h 00m 55s +24° 52’ 09” 29.67 Gemini
2022 Oct 01 07h 01m 11s +25° 00’ 47” 29.66 Gemini