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public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:17
wb_twilight   (Civil Twilight)   What's Visible Now?

Asteroid 1I/2017 U1 (Oumuamua)

Above the horizon.  Rise: 22:51 | Tran: 7:13 | Set: 15:31
Altitude: 48.4°   Azimuth: 113.9°   Direction: East-South-East

Asteroid 1I/2017 U1 (Oumuamua) is currently in the constellation of Pegasus, at a distance of 6,254,752,376 kilometers from Earth. The current Right Ascension of Asteroid 1I/2017 U1 (Oumuamua) is 00h 01m 30s and the Declination is +24° 38’ 50” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom). The current magnitude of Asteroid 1I/2017 U1 (Oumuamua) is 38.47 (JPL).

Finder chart of 1I/2017 U1 (Oumuamua) in Pegasus on June,18 2024
Map showing Asteroid 1I/2017 U1 (Oumuamua) in Pegasus on June, 18 2024. Field of view: 50x30 degrees
View interactive star map

00h 01m 30s
+24° 38’ 50”

Today's rise, transit and set times of Asteroid 1I/2017 U1 (Oumuamua) from Greenwich, United Kingdom (all times relative to the local timezone Europe/London):

Azimuth: 65.3°
Max altitude: 63.2°
Azimuth: 294.7°
  • 1I/2017 U1 (Oumuamua) is above the horizon from Greenwich, United Kingdom.
  • Right now it is placed in the East-South-East direction at an altitude of 48° above the horizon.
  • Given its current magnitude, 1I/2017 U1 (Oumuamua) 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.

Additional Resources

Asteroid 1I/2017 U1 (Oumuamua) Position and Finder Charts

Finder chart of 1I/2017 U1 (Oumuamua)
Map showing Asteroid 1I/2017 U1 (Oumuamua) in Pegasus on June, 18 2024
Field of view: 10x6 degrees
View fullscreen

Higher precision deep sky finder chart, 60 arcmin wide, showing where Asteroid 1I/2017 U1 (Oumuamua) is right now. Click on the image to see a more detailed fullscreen tracker view.

1I/2017 U1 (Oumuamua)
RA: 00h 01m 30s
Dec: +24° 38’ 50”
Deep sky finder chart for Asteroid 1I/2017 U1 (Oumuamua)
Field of view: 60x40 arcmins
View fullscreen

Also check out Where is Asteroid 1I/2017 U1 (Oumuamua)?, a page that provides all the information needed to find Asteroid 1I/2017 U1 (Oumuamua) in the sky and additional links to sky charts.

Asteroid 1I/2017 U1 (Oumuamua) Distance from Earth

The distance of Asteroid 1I/2017 U1 (Oumuamua) from Earth is currently 6,254,752,376 kilometers, equivalent to 41.810437 Astronomical Units. Light takes 5 hours, 47 minutes and 43.6082 seconds to travel from Asteroid 1I/2017 U1 (Oumuamua) and arrive to us.

5 hours, 47 minutes and 43.6082 seconds

The following chart shows the distance of Asteroid 1I/2017 U1 (Oumuamua) 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 1I/2017 U1 (Oumuamua) 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 1I/2017 U1 (Oumuamua) from Earth is also available as a real time updated value in the Live Position and Data Tracker.

Closest Approach of Asteroid 1I/2017 U1 (Oumuamua) to Earth

Between 1 January 2013 and 30 December 2100, the closest approach of Asteroid 1I/2017 U1 (Oumuamua) to Earth happens on Sun Oct 15 2017 at a distance of 0.161991 Astronomical Units, or 24,233,513 kilometers:

Sun Oct 15 2017

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

Asteroid 1I/2017 U1 (Oumuamua) Brightness and Light Curve

The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid 1I/2017 U1 (Oumuamua), 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 1I/2017 U1 (Oumuamua) as a function of time

Asteroid 1I/2017 U1 (Oumuamua) Orbital Elements

The following table lists the orbital elements of Asteroid 1I/2017 U1 (Oumuamua) at epoch 22 November 2017 00:00 UTC (JD: 2458080.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 1.20113380
Orbit inclination i 122.74170628°
Perihelion distance q 0.25591158 AU
38,283,828 km
Aphelion distance Q n.a.
Semi-major axis a n.a.
Orbital period period n.a.
Date of perihelion transit Tp 2017-Sep-09 12:10:32
2,458,006.0073 JD
Argument of perihelion peri 241.81053603049°
Longitude of the ascending node node 24.596909555232°
Mean anomaly M 51.157619793825°
Mean motion n 0.68674695°/day

Visualization of Asteroid 1I/2017 U1 (Oumuamua) Orbit

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Asteroid 1I/2017 U1 (Oumuamua) with respect of the Sun and the orbits of the major planets. The position of Asteroid 1I/2017 U1 (Oumuamua) 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 1I/2017 U1 (Oumuamua)
View Asteroid 1I/2017 U1 (Oumuamua) in the 3D Solar System Simulator

Asteroid 1I/2017 U1 (Oumuamua) 15 Days Ephemeris

The following table lists the ephemerides of Asteroid 1I/2017 U1 (Oumuamua) computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Asteroid 1I/2017 U1 (Oumuamua) in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2024 Jun 11 00h 01m 27s +24° 34’ 17” 38.46 Pegasus
2024 Jun 12 00h 01m 27s +24° 34’ 56” 38.46 Pegasus
2024 Jun 13 00h 01m 27s +24° 35’ 35” 38.46 Pegasus
2024 Jun 14 00h 01m 28s +24° 36’ 15” 38.46 Pegasus
2024 Jun 15 00h 01m 28s +24° 36’ 52” 38.47 Pegasus
2024 Jun 16 00h 01m 30s +24° 37’ 31” 38.47 Pegasus
2024 Jun 17 00h 01m 30s +24° 38’ 08” 38.47 Pegasus
2024 Jun 18 00h 01m 30s +24° 38’ 44” 38.47 Pegasus
2024 Jun 19 00h 01m 30s +24° 39’ 20” 38.47 Pegasus
2024 Jun 20 00h 01m 30s +24° 39’ 56” 38.47 Pegasus
2024 Jun 21 00h 01m 30s +24° 40’ 32” 38.47 Pegasus
2024 Jun 22 00h 01m 30s +24° 41’ 07” 38.47 Pegasus
2024 Jun 23 00h 01m 30s +24° 41’ 42” 38.48 Pegasus
2024 Jun 24 00h 01m 28s +24° 42’ 15” 38.48 Pegasus