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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:40  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sleep NighttimeWhat's Visible Now?
Near Earth Objects » 

Asteroid (NEO) 2021 DG

Altitude: 26.6°   Azimuth: 262.7°   Direction: West

Asteroid (NEO) 2021 DG is currently in the constellation of Pegasus.

The current Right Ascension of Asteroid (NEO) 2021 DG is 23h 30m 18s and the Declination is +16° 15’ 02” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom edit_location_alt). The current magnitude of Asteroid (NEO) 2021 DG is 31.92 (JPL).

23h 30m 18s
+16° 15’ 02”

Today's rise, transit and set times of Asteroid (NEO) 2021 DG from Greenwich, United Kingdom edit_location_alt (all times relative to the local timezone Europe/London):

Azimuth: 73.7°
Max altitude: 54.8°
Azimuth: 286.3°
  • 2021 DG is above the horizon from Greenwich, United Kingdom edit_location_alt.
  • Right now it is placed in the West direction at an altitude of 27° above the horizon.
  • Given its current magnitude, 2021 DG 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 (NEO) 2021 DG Position and Finder Charts

Below we provide Asteroid (NEO) 2021 DG 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.

Finder chart of 2021 DG in Pegasus on November,30 2023
Map showing Asteroid (NEO) 2021 DG in Pegasus on November, 30 2023
Field of view: 50x30 degrees
View fullscreen
Finder chart of 2021 DG
Map showing Asteroid (NEO) 2021 DG in Pegasus on November, 30 2023
Field of view: 10x6 degrees
View fullscreen

Also check out Where is Asteroid (NEO) 2021 DG?, a page that provides all the information needed to find Asteroid (NEO) 2021 DG in the sky and additional links to sky charts.

Asteroid (NEO) 2021 DG Distance from Earth

The distance of Asteroid (NEO) 2021 DG from Earth is currently 101,362,179 kilometers, equivalent to 0.677564 Astronomical Units. Light takes 5 minutes and 38.1078 seconds to travel from Asteroid (NEO) 2021 DG and arrive to us.

5 minutes and 38.1078 seconds

The following chart shows the distance of Asteroid (NEO) 2021 DG 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 (NEO) 2021 DG 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.

Closest Approach of Asteroid (NEO) 2021 DG to Earth

During the next 10 years, the closest approach of Asteroid (NEO) 2021 DG to Earth happens on Wed Feb 19 2031 at a distance of 0.007366 Astronomical Units, or 1,101,887 kilometers:

Wed Feb 19 2031

Asteroid (NEO) 2021 DG Brightness and Light Curve

The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid (NEO) 2021 DG, 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 (NEO) 2021 DG as a function of time

Asteroid (NEO) 2021 DG Orbital Elements

The following table lists the orbital elements of Asteroid (NEO) 2021 DG at epoch 24 February 2023 00:00 UTC (JD: 2460000.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.38011081
Orbit inclination i 9.09872333°
Perihelion distance q 0.66483024 AU
99,457,189 km
Aphelion distance Q 1.48016682 AU
221,429,805 km
Semi-major axis a 1.07249853 AU
160,443,497 km
Orbital period period 1.1107 years
405.6892 days
Date of perihelion transit Tp 2023-Jul-13 21:22:47
2,460,139.3908 JD
Next perihelion transit 2024-Aug-22 13:55
2,460,545.0801 JD
Argument of perihelion peri 280.51127554893°
Longitude of the ascending node node 330.16277445828°
Mean anomaly M 236.75123876528°
Mean motion n 0.88737873°/day

Visualization of Asteroid (NEO) 2021 DG Orbit

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Asteroid (NEO) 2021 DG with respect of the Sun and the orbits of the major planets. The position of Asteroid (NEO) 2021 DG 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) 2021 DG
View Asteroid (NEO) 2021 DG in the 3D Solar System Simulator

Asteroid (NEO) 2021 DG 15 Days Ephemeris

The following table lists the ephemerides of Asteroid (NEO) 2021 DG computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Asteroid (NEO) 2021 DG in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2023 Nov 23 23h 16m 00s +16° 26’ 43” 31.58 Pegasus
2023 Nov 24 23h 17m 48s +16° 24’ 21” 31.63 Pegasus
2023 Nov 25 23h 19m 35s +16° 22’ 18” 31.67 Pegasus
2023 Nov 26 23h 21m 21s +16° 20’ 29” 31.72 Pegasus
2023 Nov 27 23h 23m 08s +16° 18’ 56” 31.76 Pegasus
2023 Nov 28 23h 24m 56s +16° 17’ 38” 31.80 Pegasus
2023 Nov 29 23h 26m 44s +16° 16’ 35” 31.84 Pegasus
2023 Nov 30 23h 28m 32s +16° 15’ 46” 31.88 Pegasus
2023 Dec 01 23h 30m 21s +16° 15’ 11” 31.92 Pegasus
2023 Dec 02 23h 32m 11s +16° 14’ 49” 31.96 Pegasus
2023 Dec 03 23h 34m 00s +16° 14’ 43” 32.00 Pegasus
2023 Dec 04 23h 35m 48s +16° 14’ 48” 32.04 Pegasus
2023 Dec 05 23h 37m 39s +16° 15’ 06” 32.08 Pegasus
2023 Dec 06 23h 39m 29s +16° 15’ 37” 32.11 Pegasus