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Asteroid (NEO) 2021 GK1

Asteroid (NEO) 2021 GK1 is a Near Earth Object. If you've heard news about a potential impact of this asteroid with the Earth, please check out Will Asteroid Asteroid (NEO) 2021 GK1 Impact Earth?.

Asteroid (NEO) 2021 GK1 is currently in the constellation of Cetus. The current Right Ascension of Asteroid (NEO) 2021 GK1 is 01h 14m 26s and the Declination is -00° 52’ 49” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom [change]). The current magnitude of Asteroid (NEO) 2021 GK1 is 23.00 (JPL).

Summary of key facts about Asteroid (NEO) 2021 GK1 [tip: you can also create a Quick Access page for this data if you access it frequently and would like to have a simpler view]:

01h 14m 26s
-00° 52’ 49”

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.

Additional information about Asteroid (NEO) 2021 GK1 available on TheSkyLive:

Available Resources

Asteroid (NEO) 2021 GK1 Position and Finder Charts

Below we provide Asteroid (NEO) 2021 GK1 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 (NEO) 2021 GK1 in Cetus on May, 17 2021
Field of view: 50x30 degrees
View fullscreen
Map showing Asteroid (NEO) 2021 GK1 in Cetus on May, 17 2021
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]

Also check out Where is Asteroid (NEO) 2021 GK1?, a page that provides all the information needed to find Asteroid (NEO) 2021 GK1 in the sky and additional links to sky charts.

Asteroid (NEO) 2021 GK1 Distance from Earth

The distance of Asteroid (NEO) 2021 GK1 from Earth is currently 951,057 kilometers, equivalent to 0.006357 Astronomical Units. Light takes 3.1724 seconds to travel from Asteroid (NEO) 2021 GK1 and arrive to us.

3.1724 seconds

The following chart shows the distance of Asteroid (NEO) 2021 GK1 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.

Distance of Asteroid (NEO) 2021 GK1 from Earth between January 2013 and December 2100

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 GK1 to Earth

During the next 10 years, the closest approach of Asteroid (NEO) 2021 GK1 to Earth happens on Tue May 11 2021 at a distance of 0.003792 Astronomical Units, or 567,340 kilometers:

Tue May 11 2021

Asteroid (NEO) 2021 GK1 brightness

The current visual magnitude of Asteroid (NEO) 2021 GK1 is 23.00.


The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid (NEO) 2021 GK1, 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 (NEO) 2021 GK1 between January 2013 and December 2100

Asteroid (NEO) 2021 GK1 rise and set times

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's Asteroid (NEO) 2021 GK1 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 90.2°
Max altitude: 39.0°
Azimuth: 271.1°

The rise and set times are defined as the time at which the upper limb of Asteroid (NEO) 2021 GK1 touches the horizon, considering the effect of the atmospheric refraction. As the atmospheric conditions cannot be modeled precisely the times reported here should be considered correct with an approximation of few minutes.

Asteroid (NEO) 2021 GK1 Orbital Elements

The following table lists the orbital elements of Asteroid (NEO) 2021 GK1 at epoch 03 April 2021 00:00 UTC (JD: 2459308.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.07475528
Orbit inclination i 0.37553494°
Perihelion distance q 1.00338087 AU
150,103,643 km
Aphelion distance Q 1.16551749 AU
174,358,935 km
Semi-major axis a 1.08444918 AU
162,231,289 km
Orbital period period 1.1300 years
412.4889 days
Date of perihelion transit Tp 2021-Jun-03 00:56:12
2,459,368.5390 JD
Argument of perihelion peri 349.69515992279°
Longitude of the ascending node node 263.70527778956°
Mean anomaly M 307.60088548665°
Mean motion n 0.87275082°/day

Visualization of Asteroid (NEO) 2021 GK1 Orbit

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Asteroid (NEO) 2021 GK1 with respect of the Sun and the orbits of the major planets. The position of Asteroid (NEO) 2021 GK1 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 GK1
View Asteroid (NEO) 2021 GK1 in the 3D Solar System Simulator

Asteroid (NEO) 2021 GK1 15 Days Ephemeris

The following table lists the ephemerides of Asteroid (NEO) 2021 GK1 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 GK1 in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2021 May 10 07h 28m 18s -28° 21’ 37” 19.15 Puppis
2021 May 11 06h 21m 29s -27° 57’ 47” 19.69 Canis Majoris
2021 May 12 05h 06m 23s -25° 03’ 10” 21.00 Lepus
2021 May 13 03h 55m 11s -19° 50’ 35” 22.00 Eridanus
2021 May 14 02h 56m 49s -13° 51’ 38” 23.00 Eridanus
2021 May 15 02h 12m 25s -08° 27’ 02” 24.00 Cetus
2021 May 16 01h 39m 16s -04° 04’ 23” 23.00 Cetus
2021 May 17 01h 14m 17s -00° 39’ 54” 23.00 Cetus
2021 May 18 00h 55m 04s +01° 58’ 42” 23.00 Cetus
2021 May 19 00h 39m 57s +04° 03’ 06” 23.00 Pisces
2021 May 20 00h 27m 51s +05° 42’ 16” 23.00 Pisces
2021 May 21 00h 18m 02s +07° 02’ 41” 23.00 Pisces
2021 May 22 00h 09m 54s +08° 09’ 01” 23.00 Pisces
2021 May 23 00h 03m 07s +09° 04’ 35” 23.00 Pisces