ʻOumuamua
Interstellar object that passed near Earth in 2017
Right now · as of
How far is ʻOumuamua from Earth?
8.12 billion km (54.3 AU)
Its light takes 7 h 31 min to reach us.
8.24 billion km (55.1 AU) from the Sun.
Open in 3DWhat it is
The first object seen passing through the solar system from interstellar space, found by Pan-STARRS on 2017-10-19 already on its way out.
Its line in the space view is the real path through the solar system, 1990–2060.
In numbers
- Designation
- 1I/2017 U1
- Perihelion
- 2017-09-09
- Radius
- 0.1 km
- From the Sun
- 8.24 billion km (55.1 AU)
Position and orbit from JPL Horizons
1I/ʻOumuamua
1I/ʻOumuamua is the first confirmed interstellar object detected passing through the Solar System. Formally designated 1I/2017 U1, it was discovered by Canadian physicist Robert Weryk using the Pan-STARRS telescope at Haleakalā Observatory, Hawaii, on 19 October 2017, approximately 40 days after it passed its closest point to the Sun on 9 September.
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