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Asteroid (NEO) 2010 RA91

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Asteroid (NEO) 2010 RA91 Position

Asteroid (NEO) 2010 RA91 is currently in the constellation of Orion. The current Right Ascension is 06h 17m 40s and the Declination is +21° 08’ 19”.

06h 17m 40s
+21° 08’ 19”

Simplified sky chart showing where Asteroid (NEO) 2010 RA91 is right now in the sky with respect to the brightest stars and constellations (see fuillscreen Online Planetarium)

Map showing Asteroid (NEO) 2010 RA91 in Orion on August, 21 2019
Field of view: 60x30 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

The distance of Asteroid (NEO) 2010 RA91 from Earth is currently 147,574,300 kilometers, equivalent to 0.986473 Astronomical Units. Light takes 8 minutes and 12.2549 seconds to travel from Asteroid (NEO) 2010 RA91 and arrive to us.

8 minutes and 12.2549 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

Between January 2013 and December 2100 the closest approach of Asteroid (NEO) 2010 RA91 to Earth happens on Mon Mar 23 2026 at a distance of 0.00536279 Astronomical Units, or 802,263 kilometers:

Mon Mar 23 2026

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

Asteroid (NEO) 2010 RA91 brightness

The current visual magnitude of Asteroid (NEO) 2010 RA91 is 25.33.


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

Today's Asteroid (NEO) 2010 RA91 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 68.8°
Max altitude: 59.6°
Azimuth: 291.1°
Asteroid (NEO) 2010 RA91 is above the horizon from Greenwich, United Kingdom

The rise and set times are defined as the time at which the upper limb of Asteroid (NEO) 2010 RA91 touches the horizon, consideting the effect of the atmospheric refraction. As the atmoshpere 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 26 April 2019 00:00 UTC (JD: 2458600.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.34925192
Orbit inclination i 5.61652010°
Perihelion distance q 0.75934420 AU
113,596,276 km
Aphelion distance Q 1.57441358 AU
235,528,919 km
Semi-major axis a 1.16687889 AU
174,562,597 km
Orbital period period 1.2600 years
460.4019 days
Date of perihelion transit Tp 2019-Oct-03 18:53:59
2,458,760.2875 JD
Argument of perihelion peri 272.66587471697°
Longitude of the ascending node node 183.62875190163°
Mean anomaly M 235.05807684394°
Mean motion n 0.78192554°/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
2019 Aug 14 05h 36m 03s +21° 43’ 13” 25.38 Taurus
2019 Aug 15 05h 41m 47s +21° 40’ 40” 25.38 Taurus
2019 Aug 16 05h 47m 30s +21° 37’ 23” 25.37 Taurus
2019 Aug 17 05h 53m 13s +21° 33’ 23” 25.36 Orion
2019 Aug 18 05h 58m 59s +21° 28’ 40” 25.35 Orion
2019 Aug 19 06h 04m 44s +21° 23’ 12” 25.35 Orion
2019 Aug 20 06h 10m 28s +21° 17’ 03” 25.34 Orion
2019 Aug 21 06h 16m 14s +21° 10’ 09” 25.33 Orion
2019 Aug 22 06h 22m 00s +21° 02’ 34” 25.33 Gemini
2019 Aug 23 06h 27m 45s +20° 54’ 16” 25.32 Gemini
2019 Aug 24 06h 33m 29s +20° 45’ 16” 25.31 Gemini
2019 Aug 25 06h 39m 15s +20° 35’ 35” 25.31 Gemini
2019 Aug 26 06h 44m 58s +20° 25’ 14” 25.30 Gemini
2019 Aug 27 06h 50m 41s +20° 14’ 11” 25.30 Gemini