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🌎 Location: Greenwich, United Kingdom [change]

Asteroid (NEO) 2010 RA91

Asteroid (NEO) 2010 RA91 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) 2010 RA91 Impact Earth?.

Asteroid (NEO) 2010 RA91 is currently in the constellation of Sagittarius. The current Right Ascension of Asteroid (NEO) 2010 RA91 is 19h 22m 56s and the Declination is -38° 57’ 46” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom [change]). The current magnitude of Asteroid (NEO) 2010 RA91 is 28.00 (JPL).

Summary of key facts about Asteroid (NEO) 2010 RA91 [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]:

19h 22m 56s
-38° 57’ 46”
Sagittarius
28.00

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) 2010 RA91 available on TheSkyLive:

Available Resources

Asteroid (NEO) 2010 RA91 Position and Finder Charts

Below we provide Asteroid (NEO) 2010 RA91 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) 2010 RA91 in Sagittarius on January, 26 2021
Field of view: 50x30 degrees
View fullscreen
Map showing Asteroid (NEO) 2010 RA91 in Sagittarius on January, 26 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]

Also check out Where is Asteroid (NEO) 2010 RA91?, a page that provides all the information needed to find Asteroid (NEO) 2010 RA91 in the sky and additional links to sky charts.

Asteroid (NEO) 2010 RA91 Distance from Earth

The distance of Asteroid (NEO) 2010 RA91 from Earth is currently 32,052,595 kilometers, equivalent to 0.214258 Astronomical Units. Light takes 1 minutes and 46.9159 seconds to travel from Asteroid (NEO) 2010 RA91 and arrive to us.

32,052,595
0.214258
1 minutes and 46.9159 seconds

The following chart shows the distance of Asteroid (NEO) 2010 RA91 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) 2010 RA91 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) 2010 RA91 to Earth

During the next 10 years, the closest approach of Asteroid (NEO) 2010 RA91 to Earth happens on Sun Mar 22 2026 at a distance of 0.011863 Astronomical Units, or 1,774,655 kilometers:

Sun Mar 22 2026
1,774,655
0.011863

Asteroid (NEO) 2010 RA91 brightness

The current visual magnitude of Asteroid (NEO) 2010 RA91 is 28.00.

28.00

The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid (NEO) 2010 RA91, 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) 2010 RA91 between January 2013 and December 2100

Asteroid (NEO) 2010 RA91 rise and set times

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

Asteroid (NEO) 2010 RA91 is currently not visible from Greenwich, United Kingdom [change]

The rise and set times are defined as the time at which the upper limb of Asteroid (NEO) 2010 RA91 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) 2010 RA91 Orbital Elements

The following table lists the orbital elements of Asteroid (NEO) 2010 RA91 at epoch 30 May 2020 00:00 UTC (JD: 2459000.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.34902720
Orbit inclination i 5.61318864°
Perihelion distance q 0.75957961 AU
113,631,492 km
Aphelion distance Q 1.57409581 AU
235,481,382 km
Semi-major axis a 1.16683771 AU
174,556,437 km
Orbital period period 1.2600 years
460.3775 days
Date of perihelion transit Tp 2021-Jan-05 13:43:57
2,459,220.0722 JD
Next perihelion transit 2022-Apr-10 22:47
2,459,680.4497 JD
Argument of perihelion peri 272.6956081445°
Longitude of the ascending node node 183.61258670946°
Mean anomaly M 188.30180488554°
Mean motion n 0.78196693°/day

Visualization of Asteroid (NEO) 2010 RA91 Orbit

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Asteroid (NEO) 2010 RA91 with respect of the Sun and the orbits of the major planets. The position of Asteroid (NEO) 2010 RA91 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) 2010 RA91
View Asteroid (NEO) 2010 RA91 in the 3D Solar System Simulator

Asteroid (NEO) 2010 RA91 15 Days Ephemeris

The following table lists the ephemerides of Asteroid (NEO) 2010 RA91 computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Asteroid (NEO) 2010 RA91 in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2021 Jan 19 20h 13m 57s -38° 14’ 04” 30.00 Sagittarius
2021 Jan 20 20h 07m 23s -38° 29’ 09” 30.00 Sagittarius
2021 Jan 21 20h 00m 42s -38° 41’ 33” 29.00 Sagittarius
2021 Jan 22 19h 53m 53s -38° 51’ 06” 29.00 Sagittarius
2021 Jan 23 19h 46m 59s -38° 57’ 42” 29.00 Sagittarius
2021 Jan 24 19h 40m 05s -39° 01’ 17” 29.00 Sagittarius
2021 Jan 25 19h 33m 11s -39° 01’ 50” 28.00 Sagittarius
2021 Jan 26 19h 26m 21s -38° 59’ 26” 28.00 Sagittarius
2021 Jan 27 19h 19m 36s -38° 54’ 09” 28.00 Sagittarius
2021 Jan 28 19h 13m 00s -38° 46’ 04” 27.00 Corona Australis
2021 Jan 29 19h 06m 34s -38° 35’ 21” 27.00 Corona Australis
2021 Jan 30 19h 00m 20s -38° 22’ 13” 27.00 Corona Australis
2021 Jan 31 18h 54m 19s -38° 06’ 50” 26.00 Corona Australis
2021 Feb 01 18h 48m 33s -37° 49’ 24” 26.00 Corona Australis