Episode 2 of 4

Closest Approach to Earth

Name: Closest Approach to Earth
Start: 1861-06-30
Location: Earth

When: 1861-06-30
Where: Earth
Part of: Comet C/1861 J1, the Great Comet of 1861, is discovered

The comet made its closest approach to Earth on June 30, 1861, at a distance of 0.1326 AU.

Following its passage near the Sun on June 29, the comet reached its closest approach to Earth on June 30, 1861, at a distance of 0.1326 AU (19.84 million km).

Sources

C/1861 J1 (Tebbutt) Wikipedia, revision of 2026-07-19

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.