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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:45  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
wb_twilight Civil TwilightWhat's Visible Now?
Dwarf Planets and Asteroids » 

Asteroid 2020 CD3 (Earth's minimoon)

Altitude: 22.2°   Azimuth: 174.8°   Direction: South

Asteroid 2020 CD3 (Earth's minimoon) is currently in the constellation of Capricornus.

The current Right Ascension of Asteroid 2020 CD3 (Earth's minimoon) is 21h 20m 33s and the Declination is -16° 12’ 07” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom edit_location_alt). The current magnitude of Asteroid 2020 CD3 (Earth's minimoon) is 33.79 (JPL).

21h 20m 33s
-16° 12’ 07”
Capricornus
33.79

Today's rise, transit and set times of Asteroid 2020 CD3 (Earth's minimoon) from Greenwich, United Kingdom edit_location_alt (all times relative to the local timezone Europe/London):

Azimuth: 106.3°
Max altitude: 22.3°
Azimuth: 253.9°
  • 2020 CD3 is above the horizon from Greenwich, United Kingdom edit_location_alt.
  • Right now it is placed in the South direction at an altitude of 22° above the horizon.
  • Given its current magnitude, 2020 CD3 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 2020 CD3 (Earth's minimoon) Position and Finder Charts

Below we provide Asteroid 2020 CD3 (Earth's minimoon) 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 2020 CD3 in Capricornus on December,04 2023
Map showing Asteroid 2020 CD3 (Earth's minimoon) in Capricornus on December, 04 2023
Field of view: 50x30 degrees
View fullscreen
Finder chart of 2020 CD3
Map showing Asteroid 2020 CD3 (Earth's minimoon) in Capricornus on December, 04 2023
Field of view: 10x6 degrees
View fullscreen

Higher precision deep sky finder chart, 60 arcmin wide, showing where Asteroid 2020 CD3 (Earth's minimoon) is right now. Click on the image to see a more detailed fullscreen tracker view.

2020 CD3
RA: 21h 20m 33s
Dec: -16° 12’ 07”
Deep sky finder chart for Asteroid 2020 CD3 (Earth's minimoon)
Field of view: 60x40 arcmins
View fullscreen

Also check out Where is Asteroid 2020 CD3 (Earth's minimoon)?, a page that provides all the information needed to find Asteroid 2020 CD3 (Earth's minimoon) in the sky and additional links to sky charts.

Asteroid 2020 CD3 (Earth's minimoon) Distance from Earth

The distance of Asteroid 2020 CD3 (Earth's minimoon) from Earth is currently 137,812,102 kilometers, equivalent to 0.921217 Astronomical Units. Light takes 7 minutes and 39.6917 seconds to travel from Asteroid 2020 CD3 (Earth's minimoon) and arrive to us.

137,812,102
0.921217
7 minutes and 39.6917 seconds

The following chart shows the distance of Asteroid 2020 CD3 (Earth's minimoon) 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 2020 CD3 (Earth's minimoon) 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 2020 CD3 from Earth is also available as a real time updated value in the Live Position and Data Tracker.

Closest Approach of Asteroid 2020 CD3 (Earth's minimoon) to Earth

Between 1 January 2015 and 30 December 2100, the closest approach of Asteroid 2020 CD3 (Earth's minimoon) to Earth happens on Wed May 9 2018 at a distance of 0.000265 Astronomical Units, or 39,712 kilometers:

Wed May 9 2018
39,712
0.000265

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

Asteroid 2020 CD3 (Earth's minimoon) Brightness and Light Curve

The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid 2020 CD3 (Earth's minimoon), 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 2020 CD3 (Earth's minimoon) as a function of time

Asteroid 2020 CD3 (Earth's minimoon) Orbital Elements

The following table lists the orbital elements of Asteroid 2020 CD3 (Earth's minimoon) at epoch 24 February 2023 00:00 UTC (JD: 2460000.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.01238713
Orbit inclination i 0.63407159°
Perihelion distance q 1.01628695 AU
152,034,364 km
Aphelion distance Q 1.04178049 AU
155,848,144 km
Semi-major axis a 1.02903372 AU
153,941,254 km
Orbital period period 1.0439 years
381.2790 days
Date of perihelion transit Tp 2023-Mar-18 07:50:59
2,460,021.8271 JD
Next perihelion transit 2024-Apr-02 14:32
2,460,403.1060 JD
Argument of perihelion peri 50.031432298982°
Longitude of the ascending node node 82.214677103718°
Mean anomaly M 339.86317853614°
Mean motion n 0.94419058°/day

Visualization of Asteroid 2020 CD3 (Earth's minimoon) Orbit

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Asteroid 2020 CD3 (Earth's minimoon) with respect of the Sun and the orbits of the major planets. The position of Asteroid 2020 CD3 (Earth's minimoon) 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 2020 CD3 (Earth's minimoon)
View Asteroid 2020 CD3 (Earth's minimoon) in the 3D Solar System Simulator

Asteroid 2020 CD3 (Earth's minimoon) 15 Days Ephemeris

The following table lists the ephemerides of Asteroid 2020 CD3 (Earth's minimoon) computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Asteroid 2020 CD3 (Earth's minimoon) in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2023 Nov 27 20h 50m 48s -18° 22’ 36” 33.78 Capricornus
2023 Nov 28 20h 54m 43s -18° 06’ 30” 33.78 Capricornus
2023 Nov 29 20h 58m 38s -17° 50’ 08” 33.78 Capricornus
2023 Nov 30 21h 02m 31s -17° 33’ 28” 33.78 Capricornus
2023 Dec 01 21h 06m 24s -17° 16’ 31” 33.79 Capricornus
2023 Dec 02 21h 10m 17s -16° 59’ 17” 33.79 Capricornus
2023 Dec 03 21h 14m 08s -16° 41’ 48” 33.79 Capricornus
2023 Dec 04 21h 17m 58s -16° 24’ 02” 33.79 Capricornus
2023 Dec 05 21h 21m 48s -16° 06’ 01” 33.79 Capricornus
2023 Dec 06 21h 25m 37s -15° 47’ 44” 33.79 Capricornus
2023 Dec 07 21h 29m 26s -15° 29’ 12” 33.79 Capricornus
2023 Dec 08 21h 33m 15s -15° 10’ 27” 33.79 Capricornus
2023 Dec 09 21h 37m 01s -14° 51’ 26” 33.80 Capricornus
2023 Dec 10 21h 40m 49s -14° 32’ 12” 33.80 Capricornus