51P/Harrington is a periodic comet in the Solar System.
via Wikipedia infobox
51P/Harrington is a periodic comet in the Solar System.
It was discovered by Robert George Harrington at Palomar Observatory on 14 August 1953 using the Schmidt telescope. It then had a brightness of magnitude 15. In October 1956 its orbit was affected by the planet Jupiter and on its next return in 1960 the brightness had fallen to magnitude 20. By 1980 it had slightly improved to magnitude 18. It has a period of 7.1 years.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).