Asteroid 1I/2017 U1 (Oumuamua)
Asteroid 1I/2017 U1 (Oumuamua) is currently in the constellation of Pegasus. The current Right Ascension of Asteroid 1I/2017 U1 (Oumuamua) is 23h 55m 24s and the Declination is +24° 39’ 54” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom ). The current magnitude of Asteroid 1I/2017 U1 (Oumuamua) is 37.88 (JPL).
- 1I/2017 U1 (Oumuamua) is below the horizon from Greenwich, United Kingdom .
- 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.
Asteroid 1I/2017 U1 (Oumuamua) Position and Finder Charts
Below we provide Asteroid 1I/2017 U1 (Oumuamua) 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.
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.
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 5,472,051,838 kilometers, equivalent to 36.578407 Astronomical Units. Light takes 5 hours, 4 minutes and 12.8002 seconds to travel from Asteroid 1I/2017 U1 (Oumuamua) and arrive to us.
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.
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:
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.
Asteroid 1I/2017 U1 (Oumuamua) Orbital Elements
|Perihelion distance||q||0.25591158 AU
|Date of perihelion transit||Tp||2017-Sep-09 12:10:32
|Argument of perihelion||peri||241.81053603049°|
|Longitude of the ascending node||node||24.596909555232°|
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!
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.
|2023 Sep 24||23h 56m 12s||+24° 44’ 44”||37.87||Pegasus|
|2023 Sep 25||23h 56m 05s||+24° 44’ 07”||37.87||Pegasus|
|2023 Sep 26||23h 55m 59s||+24° 43’ 28”||37.87||Pegasus|
|2023 Sep 27||23h 55m 53s||+24° 42’ 51”||37.87||Pegasus|
|2023 Sep 28||23h 55m 45s||+24° 42’ 11”||37.87||Pegasus|
|2023 Sep 29||23h 55m 40s||+24° 41’ 32”||37.88||Pegasus|
|2023 Sep 30||23h 55m 32s||+24° 40’ 53”||37.88||Pegasus|
|2023 Oct 01||23h 55m 27s||+24° 40’ 12”||37.88||Pegasus|
|2023 Oct 02||23h 55m 19s||+24° 39’ 29”||37.88||Pegasus|
|2023 Oct 03||23h 55m 14s||+24° 38’ 48”||37.88||Pegasus|
|2023 Oct 04||23h 55m 06s||+24° 38’ 06”||37.88||Pegasus|
|2023 Oct 05||23h 55m 00s||+24° 37’ 23”||37.89||Pegasus|
|2023 Oct 06||23h 54m 53s||+24° 36’ 38”||37.89||Pegasus|
|2023 Oct 07||23h 54m 47s||+24° 35’ 54”||37.89||Pegasus|