It is a Jupiter-family Comet and was discovered on October 12th 2026 by ATLAS and is most probably in outburst. If the measured and computed expension velocity of the dusty coma really is 0.10 km/sec, then it is similar to the observed outburs velocity of comet 29P/Schwassmann-Wachmann and outflow velocity of Halley's comet :

https://spaceweathergallery.com/indiv_upload.php?upload_id=232905

Good information here :

https://britastro.org/section_news_item/p-2026-t1-atlas-a-new-short-period-comet-discovered-in-outburst

Sun distance (au): 3.538 Perihel : 2026 Aug.8 Sun distance : 3.518

Time: 17:34UT 2026-10-18 Exp.92 x 30sec. IR Pass (685 nm) Filter
Tel: C14 @ f/6.6 Camera ASI 174 MM Mini Mono @ +6°C 1"/pix Paramount GT-1100S
Odd Trondal Obs.code 238 (Uranium). Oslo Norway