Your guide to the Solar System and the night sky
By donating now you help keep this site alive and free from ads. Please consider supporting this project.
🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:01  ☀️ Transit: 12:06  🌅 Sunset: 18:11

Asteroid 2015 BN509

Asteroid 2015 BN509 is currently in the constellation of Aries. The current Right Ascension of Asteroid 2015 BN509 is 02h 28m 03s and the Declination is +20° 52’ 09” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom [change]). The current magnitude of Asteroid 2015 BN509 is 22.86 (JPL).

02h 28m 03s
+20° 52’ 09”

Today's rise, transit and set times of Asteroid 2015 BN509 from Greenwich, United Kingdom [change] (all times relative to the local timezone Europe/London):

Azimuth: 69.1°
Max altitude: 59.3°
Azimuth: 290.7°
  • 2015 BN509 is below the horizon from Greenwich, United Kingdom [change].
  • Given its current magnitude, 2015 BN509 is visible only through long exposure photography.
  • 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.

Available Resources

Asteroid 2015 BN509 Position and Finder Charts

Below we provide Asteroid 2015 BN509 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 2015 BN509 in Aries on March, 21 2023
Field of view: 50x30 degrees
View fullscreen
Map showing Asteroid 2015 BN509 in Aries on March, 21 2023
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]

Higher precision deep sky finder chart, 60 arcmin wide, showing where Asteroid 2015 BN509 is right now. Click on the image to see a more detailed fullscreen tracker view.

2015 BN509
RA: 02h 28m 03s
Dec: +20° 52’ 09”
Deep sky finder chart for Asteroid 2015 BN509
Field of view: 60x40 arcmins
View fullscreen

Also check out Where is Asteroid 2015 BN509?, a page that provides all the information needed to find Asteroid 2015 BN509 in the sky and additional links to sky charts.

Asteroid 2015 BN509 Distance from Earth

The distance of Asteroid 2015 BN509 from Earth is currently 53,792,727 kilometers, equivalent to 0.359582 Astronomical Units. Light takes 2 minutes and 59.4332 seconds to travel from Asteroid 2015 BN509 and arrive to us.

2 minutes and 59.4332 seconds

The following chart shows the distance of Asteroid 2015 BN509 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.

Chart of the distance of Asteroid 2015 BN509 from Earth in Astronomical Units (au)

The value of the reported distance might be somewhat inaccurate around the times of closest approach for objects passing extremely close to Earth. The value of the distance of 2015 BN509 from Earth is also available as a real time updated value in the Live Position and Data Tracker.

Closest Approach of Asteroid 2015 BN509 to Earth

Between 1 January 2013 and 30 December 2100, the closest approach of Asteroid 2015 BN509 to Earth happens on Sat Feb 10 2018 at a distance of 0.033030 Astronomical Units, or 4,941,279 kilometers:

Sat Feb 10 2018

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

Asteroid 2015 BN509 Brightness

The current visual magnitude of Asteroid 2015 BN509 is 22.86.


The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid 2015 BN509, 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.

Chart of the magnitude of Asteroid 2015 BN509 as a function of time

Asteroid 2015 BN509 Orbital Elements

The following table lists the orbital elements of Asteroid 2015 BN509 at epoch 24 February 2023 00:00 UTC (JD: 2460000.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.56834019
Orbit inclination i 4.15317845°
Perihelion distance q 0.43454753 AU
65,007,386 km
Aphelion distance Q 1.57883209 AU
236,189,920 km
Semi-major axis a 1.00668981 AU
150,598,653 km
Orbital period period 1.0101 years
368.9283 days
Date of perihelion transit Tp 2023-Apr-26 16:36:31
2,460,061.1920 JD
Argument of perihelion peri 143.17562435014°
Longitude of the ascending node node 120.106256173°
Mean anomaly M 300.77675002981°
Mean motion n 0.97579944°/day

Visualization of Asteroid 2015 BN509 Orbit

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Asteroid 2015 BN509 with respect of the Sun and the orbits of the major planets. The position of Asteroid 2015 BN509 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 2015 BN509
View Asteroid 2015 BN509 in the 3D Solar System Simulator

Asteroid 2015 BN509 15 Days Ephemeris

The following table lists the ephemerides of Asteroid 2015 BN509 computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Asteroid 2015 BN509 in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2023 Mar 14 02h 57m 29s +22° 34’ 42” 22.01 Aries
2023 Mar 15 02h 53m 39s +22° 23’ 32” 22.09 Aries
2023 Mar 16 02h 49m 45s +22° 11’ 31” 22.19 Aries
2023 Mar 17 02h 45m 47s +21° 58’ 36” 22.29 Aries
2023 Mar 18 02h 41m 44s +21° 44’ 44” 22.40 Aries
2023 Mar 19 02h 37m 36s +21° 29’ 50” 22.53 Aries
2023 Mar 20 02h 33m 23s +21° 13’ 51” 22.66 Aries
2023 Mar 21 02h 29m 04s +20° 56’ 44” 22.81 Aries
2023 Mar 22 02h 24m 41s +20° 38’ 25” 23.00 Aries
2023 Mar 23 02h 20m 12s +20° 18’ 50” 23.00 Aries
2023 Mar 24 02h 15m 38s +19° 57’ 56” 23.00 Aries
2023 Mar 25 02h 10m 59s +19° 35’ 44” 24.00 Aries
2023 Mar 26 02h 06m 15s +19° 12’ 07” 24.00 Aries
2023 Mar 27 02h 01m 27s +18° 47’ 09” 24.00 Aries