Interstellar object · 2I/2019 Q4
2I/Borisov
Interstellar comet in 2019
Right now · as of
How far is 2I/Borisov from Earth?
7.42 billion km (49.6 AU)
Its light takes 6 h 52 min to reach us.
7.35 billion km (49.1 AU) from the Sun.
Open in 3DWhat it is
The first interstellar comet, found by Gennadiy Borisov on 2019-08-30.
Its line in the space view is the real path through the solar system, 1990–2060.
In numbers
- Designation
- 2I/2019 Q4
- Perihelion
- 2019-12-08
- Radius
- 0.5 km
- From the Sun
- 7.35 billion km (49.1 AU)
Position and orbit from JPL Horizons
2I/Borisov
2I/Borisov, originally designated C/2019 Q4 (Borisov), is the first observed rogue comet and the second observed interstellar interloper, after ʻOumuamua. It was discovered by the amateur astronomer and telescope maker Gennadiy Borisov on 29 August 2019 UTC in MARGO Observatory.
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