Bruce Murray Space Image Library
Comet 19P/Borrelly, target of Deep Space 1
![Comet 19P/Borrelly, target of Deep Space 1](https://planetary.s3.amazonaws.com/web/assets/pictures/_576x517_crop_center-center_60_line/35337/borrelly_ds1.jpg 576w)
It flew within 2,171 km of the nucleus at 22:29:33 UT. The nucleus is about 4 by 8 kilometers in size and incredibly dark, with an albedo varying from 0.01 to 0.03.
Bruce Murray Space Image Library
It flew within 2,171 km of the nucleus at 22:29:33 UT. The nucleus is about 4 by 8 kilometers in size and incredibly dark, with an albedo varying from 0.01 to 0.03.