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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: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sleep NighttimeWhat's Visible Now?
Near Earth Objects » 

Asteroid (NEO) 2017 SA20

Altitude: -6.6°   Azimuth: 68.2°   Direction: East-North-East

Asteroid (NEO) 2017 SA20 is currently in the constellation of Leo.

The current Right Ascension of Asteroid (NEO) 2017 SA20 is 10h 46m 27s and the Declination is +08° 00’ 23” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom edit_location_alt). The current magnitude of Asteroid (NEO) 2017 SA20 is 30.25 (JPL).

10h 46m 27s
+08° 00’ 23”

Today's rise, transit and set times of Asteroid (NEO) 2017 SA20 from Greenwich, United Kingdom edit_location_alt (all times relative to the local timezone Europe/London):

Azimuth: 82.0°
Max altitude: 46.7°
Azimuth: 278.1°
  • 2017 SA20 is below the horizon from Greenwich, United Kingdom edit_location_alt.
  • Given its current magnitude, 2017 SA20 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) 2017 SA20 Position and Finder Charts

Below we provide Asteroid (NEO) 2017 SA20 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 2017 SA20 in Leo on December,05 2023
Map showing Asteroid (NEO) 2017 SA20 in Leo on December, 05 2023
Field of view: 50x30 degrees
View fullscreen
Finder chart of 2017 SA20
Map showing Asteroid (NEO) 2017 SA20 in Leo on December, 05 2023
Field of view: 10x6 degrees
View fullscreen

Also check out Where is Asteroid (NEO) 2017 SA20?, a page that provides all the information needed to find Asteroid (NEO) 2017 SA20 in the sky and additional links to sky charts.

Asteroid (NEO) 2017 SA20 Distance from Earth

The distance of Asteroid (NEO) 2017 SA20 from Earth is currently 120,879,115 kilometers, equivalent to 0.808027 Astronomical Units. Light takes 6 minutes and 43.2093 seconds to travel from Asteroid (NEO) 2017 SA20 and arrive to us.

6 minutes and 43.2093 seconds

The following chart shows the distance of Asteroid (NEO) 2017 SA20 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) 2017 SA20 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) 2017 SA20 to Earth

During the next 10 years, the closest approach of Asteroid (NEO) 2017 SA20 to Earth happens on Fri Apr 19 2024 at a distance of 0.009788 Astronomical Units, or 1,464,211 kilometers:

Fri Apr 19 2024

Asteroid (NEO) 2017 SA20 Brightness and Light Curve

The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid (NEO) 2017 SA20, 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) 2017 SA20 as a function of time

Asteroid (NEO) 2017 SA20 Orbital Elements

The following table lists the orbital elements of Asteroid (NEO) 2017 SA20 at epoch 12 September 2023 00:00 UTC (JD: 2460200.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.19186548
Orbit inclination i 0.12857467°
Perihelion distance q 0.88901635 AU
132,994,953 km
Aphelion distance Q 1.31115287 AU
196,145,678 km
Semi-major axis a 1.10008461 AU
164,570,316 km
Orbital period period 1.1538 years
421.4418 days
Date of perihelion transit Tp 2023-Apr-26 20:06:17
2,460,061.3377 JD
Next perihelion transit 2024-Jun-21 06:42
2,460,482.7795 JD
Argument of perihelion peri 248.84917431281°
Longitude of the ascending node node 35.089423077934°
Mean anomaly M 118.87390092847°
Mean motion n 0.85421057°/day

Visualization of Asteroid (NEO) 2017 SA20 Orbit

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Asteroid (NEO) 2017 SA20 with respect of the Sun and the orbits of the major planets. The position of Asteroid (NEO) 2017 SA20 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) 2017 SA20
View Asteroid (NEO) 2017 SA20 in the 3D Solar System Simulator

Asteroid (NEO) 2017 SA20 15 Days Ephemeris

The following table lists the ephemerides of Asteroid (NEO) 2017 SA20 computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Asteroid (NEO) 2017 SA20 in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2023 Nov 28 10h 29m 03s +09° 42’ 42” 30.41 Leo
2023 Nov 29 10h 31m 17s +09° 29’ 53” 30.39 Leo
2023 Nov 30 10h 33m 29s +09° 17’ 02” 30.37 Leo
2023 Dec 01 10h 35m 42s +09° 04’ 09” 30.35 Leo
2023 Dec 02 10h 37m 54s +08° 51’ 16” 30.33 Leo
2023 Dec 03 10h 40m 05s +08° 38’ 24” 30.31 Leo
2023 Dec 04 10h 42m 15s +08° 25’ 30” 30.29 Leo
2023 Dec 05 10h 44m 26s +08° 12’ 34” 30.27 Leo
2023 Dec 06 10h 46m 36s +07° 59’ 39” 30.25 Leo
2023 Dec 07 10h 48m 44s +07° 46’ 45” 30.22 Leo
2023 Dec 08 10h 50m 53s +07° 33’ 51” 30.20 Leo
2023 Dec 09 10h 53m 02s +07° 20’ 56” 30.18 Leo
2023 Dec 10 10h 55m 09s +07° 08’ 02” 30.16 Leo
2023 Dec 11 10h 57m 16s +06° 55’ 08” 30.13 Leo