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IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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Upcoming Occultations

2025 Oct 07 ~02:32 UT: P5M08 Pasiphae occults UCAC4 565-039361 (13.4 mag) 2025 Oct 07 ~01:53 UT: (266) Aline occults UCAC4 542-029608 (13.9 mag) 2025 Oct 07 ~00:00 UT: (45106) 1999 XX74 occults HIP 36156 (6.0 mag) 2025 Oct 06 ~21:17 UT: (134822) 2000 GK110 occults HIP 27913 (4.5 mag) 2025 Oct 06 ~00:18 UT: (1481) Tubingia occults UCAC4 587-021057 (12.3 mag)
Planetary Moons Special Event Upcoming Occultation

2025 Oct 07 ~02:32 UT: P5M08 Pasiphae occults UCAC4 565-039361 (13.4 mag)

2025-10-04
Main-Belt Asteroids Observation Campaign for Slow Rotators Upcoming Occultation

2025 Oct 07 ~01:53 UT: (266) Aline occults UCAC4 542-029608 (13.9 mag)

2025-09-30
Main-Belt Asteroids Upcoming Occultation

2025 Oct 07 ~00:00 UT: (45106) 1999 XX74 occults HIP 36156 (6.0 mag)

2025-09-30
Main-Belt Asteroids Upcoming Occultation

2025 Oct 06 ~21:17 UT: (134822) 2000 GK110 occults HIP 27913 (4.5 mag)

2025-09-29
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project Upcoming Occultation

2025 Oct 06 ~00:18 UT: (1481) Tubingia occults UCAC4 587-021057 (12.3 mag)

2025-09-29
  • New Predictions
  • Popular
  • Past Events
2025 Oct 23 ~17:22 UT: (91050) 1998 FU32 occults HIP 9809 (5.3 mag)
Main-Belt Asteroids
2025 Oct 23 ~17:22 UT: (91050) 1998 FU32 occults HIP 9809 (5.3 mag)
2025 Oct 23 ~03:59 UT: (50414) 2000 DB2 occults HIP 23933 (6.7 mag)
Main-Belt Asteroids
2025 Oct 23 ~03:59 UT: (50414) 2000 DB2 occults HIP 23933 (6.7 mag)
2025 Oct 19 ~23:10 UT: (1974) Caupolican occults HIP 1900 (7.4 mag)
Main-Belt Asteroids
2025 Oct 19 ~23:10 UT: (1974) Caupolican occults HIP 1900 (7.4 mag)
2025 Oct 17 ~02:04 UT: (10235) 1998 R37 occults UCAC4 486-000620 (12.6 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project
2025 Oct 17 ~02:04 UT: (10235) 1998 R37 occults UCAC4 486-000620 (12.6 mag)
2025 Oct 23 ~17:22 UT: (91050) 1998 FU32 occults HIP 9809 (5.3 mag)
Main-Belt Asteroids
2025 Oct 23 ~17:22 UT: (91050) 1998 FU32 occults HIP 9809 (5.3 mag)
2025 Oct 06 ~21:17 UT: (134822) 2000 GK110 occults HIP 27913 (4.5 mag)
Main-Belt Asteroids Upcoming Occultation
2025 Oct 06 ~21:17 UT: (134822) 2000 GK110 occults HIP 27913 (4.5 mag)
News
Concerns Predictions from 2025 October 01 Onwards
2025 Oct 07 ~01:53 UT: (266) Aline occults UCAC4 542-029608 (13.9 mag)
Main-Belt Asteroids Observation Campaign for Slow Rotators Upcoming Occultation
2025 Oct 07 ~01:53 UT: (266) Aline occults UCAC4 542-029608 (13.9 mag)
2025 Oct 04 ~04:44 UT: (28894) Ryanchung occults HIP 38848 (5.4 mag)
Main-Belt Asteroids Past Event
2025 Oct 04 ~04:44 UT: (28894) Ryanchung occults HIP 38848 (5.4 mag)
2025 Oct 03 ~23:04 UT: (8405) Asbolus occults UCAC4 655-043695 (15.8 mag)
Past Event Trans-Neptunian Objects, Cubewanos and Centaurs - Predicted by the ERC Lucky Star project
2025 Oct 03 ~23:04 UT: (8405) Asbolus occults UCAC4 655-043695 (15.8 mag)
2025 Oct 03 ~02:49 UT: (68444) 2001 RH142 occults UCAC4 310-001263 (14.4 mag)
Jupiter Trojans - predicted by the ERC Lucky Star project Past Event
2025 Oct 03 ~02:49 UT: (68444) 2001 RH142 occults UCAC4 310-001263 (14.4 mag)
2025 Oct 02 ~23:31 UT: (16) Psyche occults UCAC4 547-014733 (11.0 mag)
Flyby target of a spacecraft Near Earth Asteroids - Call for Observations by the ACROSS Team Past Event
2025 Oct 02 ~23:31 UT: (16) Psyche occults UCAC4 547-014733 (11.0 mag)
News

Concerns Predictions from 2025 October 01 Onwards

2025-09-29

From 2025 October 1, due to the high number of events during the winter months, this website will only present occultations by asteroids from observation campaigns or with bright stars.…

Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project Upcoming Occultation

2025 Oct 06 ~00:18 UT: (1481) Tubingia occults UCAC4 587-021057 (12.3 mag)

2025-09-29

Suspected binary asteroid! Last update: 2025 Sep 29, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1739-1481-82812-649719-U021057 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=74000

Main-Belt Asteroids Upcoming Occultation

2025 Oct 06 ~21:17 UT: (134822) 2000 GK110 occults HIP 27913 (4.5 mag)

2025-09-29

Bright star! Short max. duration of only 0.58 s! Last update: 2025 Sep 29, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1739-134822-83862-649274-H27913

Main-Belt Asteroids Upcoming Occultation

2025 Oct 07 ~00:00 UT: (45106) 1999 XX74 occults HIP 36156 (6.0 mag)

2025-09-30

Bright star! Short max. duration of only 0.60 s! Faint mag drop of only 0.7 mag! Last update: 2025 Sep 30, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1740-45106-105665-649270-H36156

Main-Belt Asteroids Observation Campaign for Slow Rotators Upcoming Occultation

2025 Oct 07 ~01:53 UT: (266) Aline occults UCAC4 542-029608 (13.9 mag)

2025-09-30

Slow rotating asteroid! Faint mag drop of only 0.6 mag! Faint star! Last update: 2025 Sep 30, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1740-266-93362-649143-U029608

Planetary Moons Special Event Upcoming Occultation

2025 Oct 07 ~02:32 UT: P5M08 Pasiphae occults UCAC4 565-039361 (13.4 mag)

2025-10-04

Satellite of Jupiter! Faint star! Josselin Desmars (LTE) wrote on Planoccult on Oct 04: Observations are required around 5 min before and after the midtime. You can use the interactive…

Main-Belt Asteroids

2025 Oct 08 ~03:27 UT: (721368) 2003 SO406 occults HIP 49583 (3.5 mag)

2025-09-30

Very bright star! Extreme short max. duration of only 0.06 s! Last update: 2025 Sep 30, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1741-721368-143427-649045-H49583

Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project

2025 Oct 08 ~22:43 UT: (73694) 1991 RL15 occults UCAC4 683-016372 (12.7 mag)

2025-09-30

Suspected binary asteroid! Raphaël Lallemand (GAIAMOONS) wrote on Planoccult on Sep 30: – The main body is 12.9 km wide, with a satellite between 3 and 12 km wide. The…

Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project

2025 Oct 09 ~01:12 UT: (458) Hercynia occults TYC 0772-01608-1 (11.0 mag)

2025-09-30

Suspected binary asteroid! Last update: 2025 Sep 30, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1742-458-106003-648743-T01608-1 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=55237

Main-Belt Asteroids Observation Campaign for Slow Rotators

2025 Oct 09 ~01:51 UT: (702) Alauda occults UCAC4 637-002866 (13.4 mag)

2025-09-30

Slow rotating asteroid! Faint mag drop of only 0.30 mag! Faint star! Last update: 2025 Sep 30, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1742-702-12119-650354-U002866

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IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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