The Solar System at your Fingertips
🌎 Location: Greenwich, United Kingdom [change]
Dwarf Planets and Asteroids » 

Asteroid 101955 Bennu (1999 RQ36)

Available Resources

Asteroid 101955 Bennu (1999 RQ36) Sky Charts and Coordinates

This is a simplified sky chart, showing where Asteroid 101955 Bennu (1999 RQ36) is now with respect to the brightest stars and constellations.

More advanced sky charts are available on TheSkyLive for this object: 1) the Online Planetarium which is interactive and allows to select dates and additional objects to visualize; and 2) the Live Position and Data Tracker which provides the highest precision position data and features deep sky imagery from the Digitized Sky Survey.

Asteroid 101955 Bennu (1999 RQ36) in Aries on February, 23 2019
High Precision Live Sky Chart
 = visible to the naked eye
 = binocular, brighter than 10th magnitude
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]
02h 37m 21s
+24° 55’ 55”
22.27

Asteroid 101955 Bennu (1999 RQ36) Rise and Set Times

Today's Asteroid 101955 Bennu (1999 RQ36) rise, transit and set times from Greenwich, United Kingdom [change]. All times are relative to the Europe/London timezone.

Azimuth: 65.1°
Max altitude: 63.5°
Azimuth: 294.8°

Asteroid 101955 Bennu (1999 RQ36) Orbit Diagram

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Asteroid 101955 Bennu (1999 RQ36) with respect of the Sun and the orbits of the major planets. The position of Asteroid 101955 Bennu (1999 RQ36) 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 101955 Bennu (1999 RQ36)
View Asteroid 101955 Bennu (1999 RQ36) in the 3D Solar System Simulator

Asteroid 101955 Bennu (1999 RQ36) Ephemeris

The following table lists the ephemerides of Asteroid 101955 Bennu (1999 RQ36) computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Asteroid 101955 Bennu (1999 RQ36) in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2019 Feb 16 01h 57m 24s +22° 00’ 05” 22.31 Aries
2019 Feb 17 02h 02m 35s +22° 25’ 31” 22.31 Aries
2019 Feb 18 02h 07m 47s +22° 50’ 22” 22.30 Aries
2019 Feb 19 02h 13m 04s +23° 14’ 39” 22.30 Aries
2019 Feb 20 02h 18m 23s +23° 38’ 18” 22.29 Aries
2019 Feb 21 02h 23m 44s +24° 01’ 18” 22.28 Aries
2019 Feb 22 02h 29m 08s +24° 23’ 38” 22.28 Aries
2019 Feb 23 02h 34m 35s +24° 45’ 15” 22.27 Aries
2019 Feb 24 02h 40m 04s +25° 06’ 10” 22.27 Aries
2019 Feb 25 02h 45m 35s +25° 26’ 20” 22.27 Aries
2019 Feb 26 02h 51m 10s +25° 45’ 43” 22.26 Aries
2019 Feb 27 02h 56m 45s +26° 04’ 21” 22.26 Aries
2019 Feb 28 03h 02m 24s +26° 22’ 09” 22.25 Aries
2019 Mar 01 03h 08m 04s +26° 39’ 07” 22.25 Aries

Distance of Asteroid 101955 Bennu (1999 RQ36) from Earth

The following chart shows the distance of Asteroid 101955 Bennu (1999 RQ36) from Earth as a function of time. Distance data is measured in Astronomical Units and sampled with a 2 days interval.

The reported distances might be inaccurate around the times of closest approach for objects passing extremely close to Earth. The value of the distance of 101955 Bennu (1999 RQ36) is also available as a real time updated value in the Live Position and Data Tracker.

Distance of Asteroid 101955 Bennu (1999 RQ36) from Earth between January 2013 and December 2100

Light Curve of Asteroid 101955 Bennu (1999 RQ36)

The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid 101955 Bennu (1999 RQ36), 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 101955 Bennu (1999 RQ36) between January 2013 and December 2100

Asteroid 101955 Bennu (1999 RQ36) Orbital Elements

The following table lists the orbital elements of Asteroid 101955 Bennu (1999 RQ36) at epoch 31 December 2010 00:00 UTC (JD: 2455562.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.20374511
Orbit inclination i 6.03493953°
Perihelion distance q 0.89689436 AU
134,173,487 km
Aphelion distance Q 1.35588769 AU
202,837,911 km
Semi-major axis a 1.12639103 AU
168,505,699 km
Orbital period period 1.2000 years
436.6487 days
Date of perihelion transit Tp 2010-Aug-30 15:24:24
2,455,439.1419 JD
Next perihelion transit 2011-Nov-10 06:58
2,455,875.7907 JD
Argument of perihelion peri 66.223068460884°
Longitude of the ascending node node 2.0608673293736°
Mean anomaly M 101.70394794733°
Mean motion n 0.82446135°/day
Closest approach to Earth* 2060-Sep-23
Distance of closest approach* 0.00500833 AU
749,235 km

* NOTE: values for the closest approach are computed for the time interval between 2013-Jan-01 and 2100-Dec-31, with a sampling interval of 1 day.