Unfortunately, neither Hubble nor ground based observatories were able to make a distance determination.

FORBES: Scientists Develop Two Scenarios For Cosmic Christmas Explosion

In 1995 a team led by Anita Cochran of the University of Texas at Austin used the Hubble space telescope to find what it thinks were 30 comet-sized fragments, at a distance that would put them inside the Kuiper belt.

ECONOMIST: Unbuckling the Kuiper belt