What's going on with Comet 2I/Borisov?

Borisov's Lightcurve

Lightcurve of comet 2I/Borisov

Lightcurve of comet 2I/Borisov (colored dots), compiled from observations reported to the Minor Planet Center1 (solid circles) and the Comet Observer's Database2 (open circles).

Status Updates

2020 Apr 2: 2I/Borisov appears to have fragmented (ATEL 13611).

2019 Aug 30: Discovered by Gennady Borisov at the MARGO observatory.

1. Thanks to the Minor Planet Center (MPC), operated by the Smithsonian Astrophysical Observatory (SAO) under the auspices of International Astronomical Union (IAU) for compiling brightness and astrometric measurements.

2. We acknowledge with thanks the comet observations from the COBS Comet Observation Database contributed by observers worldwide and used in this research.