2025 Sep 12 ~23:13 UT: (42577) 1997 AB18 occults TYC 1783-00362 (10.3 mag)
Suspected binary asteroid! Raphaël Lallemand (GAIAMOONS) wrote on Planoccult on Sep 09: – The main body is very small, 2.9 km wide, with a satellite between 1 and 2 km…
2025 Sep 12 ~22:42 UT: (712) Boliviana occults UCAC4 453-113834 (12.2 mag)
Suspected binary asteroid! Faint mag drop of only 0.8 mag! Last update: 2025 Aug 31, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1715-712-288832-648036-U113834 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=31186
2025 Sep 11 ~03:12 UT: (46303) 2001 OZ44 occults UCAC4 558-000661 (13.5 mag)
Suspected binary asteroid! Faint star! Short max. duration of only 0.99 s! Last update: 2025 Aug 31, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1714-46303-5004-649366-U000661 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=35618
Main-Belt Asteroids
Observation Campaign for Slow Rotators
Past Event
Suspected binary asteroids - GaiaMoons project
2025 Sep 11 ~00:49 UT: (858) El Djezair occults TYC 6962-00678-1 (11.1 mag)
Suspected binary asteroid! Slow rotating asteroid! Last update: 2025 Aug 31, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1714-858-318272-646495-T00678-1 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=34764
2025 Sep 07 ~00:50 UT: (550) Senta occults UCAC4 589-021882 (12.6 mag)
Suspected binary asteroid! Last update: 2025 Aug 28, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1710-550-82695-649735-U021882 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=39877
2025 Aug 29 ~22:49 UT: (36882) 2000 SW155 occults UCAC4 448-132566 (11.2 mag)
Suspected binary asteroid! Short max. duration of only 0.87 s! Raphaël Lallemand (GAIAMOONS) wrote on Planoccult on Aug 19: – The main body is 9.3 km wide, with a satellite…
2025 Aug 17 ~02:35 UT: (53) Kalypso occults UCAC4 374-175759 (14.0 mag)
Suspected binary asteroid! Faint star! Faint mag drop of only 0.35 mag! Last update: 2025 Aug 12, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1689-53-301116-647049-U175759 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=31081
2025 Aug 12 ~00:49 UT: (73691) 1991 PB3 occults UCAC4 648-012769 (12.5 mag)
Suspected binary asteroid! Short max. duration of only 0.50 s! Raphaël Lallemand (GAIAMOONS project) wrote on Planoccult on Aug 07: – The main body is 10.8 km wide, with a…
2025 Aug 10 ~01:03 UT: (6093) Makoto occults UCAC4 387-1137375 (12.6 mag)
Suspected binary asteroid! Short max. duration of only 0.71 s! Last update: 2025 Jul 31, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1682-6093-286054-647202-U137375 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=46140
2025 Jul 28 ~22:01 UT: (85714) 1998 SU49 occults UCAC4 477-053576 (13.4 mag)
Suspected binary asteroid! Very short max. duration of only 0.3 s! Faint star! Last update: 2025 Jul 19, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1669-85714-201239-648330-U053576 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=35828