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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 Ophiucus. The current Right Ascension is 16h 46m 42s and the Declination is -19° 59’ 16”.

16h 46m 42s
-19° 59’ 16”

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

Map showing Asteroid (NEO) 2010 RA91 in Ophiucus on January, 19 2020
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 259,472,828 kilometers, equivalent to 1.734469 Astronomical Units. Light takes 14 minutes and 25.5082 seconds to travel from Asteroid (NEO) 2010 RA91 and arrive to us.

14 minutes and 25.5082 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 26.41.


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: 110.0°
Max altitude: 18.5°
Azimuth: 250.0°
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, 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 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
Next perihelion transit 2021-Jan-06 04:32
2,459,220.6894 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
2020 Jan 12 16h 24m 33s -19° 35’ 16” 26.34 Ophiucus
2020 Jan 13 16h 27m 36s -19° 39’ 14” 26.35 Ophiucus
2020 Jan 14 16h 30m 37s -19° 42’ 57” 26.36 Ophiucus
2020 Jan 15 16h 33m 37s -19° 46’ 27” 26.37 Ophiucus
2020 Jan 16 16h 36m 35s -19° 49’ 45” 26.38 Ophiucus
2020 Jan 17 16h 39m 34s -19° 52’ 49” 26.39 Ophiucus
2020 Jan 18 16h 42m 33s -19° 55’ 38” 26.40 Ophiucus
2020 Jan 19 16h 45m 29s -19° 58’ 15” 26.41 Ophiucus
2020 Jan 20 16h 48m 27s -20° 00’ 39” 26.42 Ophiucus
2020 Jan 21 16h 51m 23s -20° 02’ 49” 26.43 Ophiucus
2020 Jan 22 16h 54m 18s -20° 04’ 47” 26.44 Ophiucus
2020 Jan 23 16h 57m 11s -20° 06’ 33” 26.45 Ophiucus
2020 Jan 24 17h 00m 06s -20° 08’ 06” 26.46 Ophiucus
2020 Jan 25 17h 02m 57s -20° 09’ 25” 26.46 Ophiucus