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IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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Upcoming Occultations

2026 May 23 ~22:32 UT: (31393) 1998 YG8 occults TYC 6284-00514-1 (8.9 mag) 2026 May 18 ~23:31 UT: (22756) Manpreetkaur occults HIP 54108 (6.9 mag) 2026 May 17 ~00:01 UT: (3173) McNaught occults TYC 4983-00810-1 (8.4 mag) 2026 May 13 ~22:08 UT: (2462) Nehalennia occults HIP 69463 (7.9 mag) 2026 May 11 ~22:18 UT: (27081) 1998 TK16 occults TYC 5651-00495-1 (8.4 mag)
Main-Belt Asteroids Upcoming Occultation

2026 May 23 ~22:32 UT: (31393) 1998 YG8 occults TYC 6284-00514-1 (8.9 mag)

2026-05-08
Main-Belt Asteroids Upcoming Occultation

2026 May 18 ~23:31 UT: (22756) Manpreetkaur occults HIP 54108 (6.9 mag)

2026-04-29
Main-Belt Asteroids Upcoming Occultation

2026 May 17 ~00:01 UT: (3173) McNaught occults TYC 4983-00810-1 (8.4 mag)

2026-04-29
Main-Belt Asteroids Upcoming Occultation

2026 May 13 ~22:08 UT: (2462) Nehalennia occults HIP 69463 (7.9 mag)

2026-04-29
Main-Belt Asteroids Upcoming Occultation

2026 May 11 ~22:18 UT: (27081) 1998 TK16 occults TYC 5651-00495-1 (8.4 mag)

2026-04-29
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  • Past Events
2026 May 30 ~00:47 UT: (5027) Androgeos occults HIP 57169 (7.9 mag)
Jupiter Trojans Special Event
2026 May 30 ~00:47 UT: (5027) Androgeos occults HIP 57169 (7.9 mag)
2026 May 30 ~00:51 UT: (29886) Randytung occults UCAC4 356-095675 (13.6 mag)
Main-Belt Asteroids Near Earth Asteroids - Call for Observations by the ACROSS Team
2026 May 30 ~00:51 UT: (29886) Randytung occults UCAC4 356-095675 (13.6 mag)
2026 May 27 ~22:47 UT: (1943) Anteros occults TYC 4937-00320-1 (11.0 mag)
Amor Asteroids Near Earth Asteroids - Call for Observations by the ACROSS Team
2026 May 27 ~22:47 UT: (1943) Anteros occults TYC 4937-00320-1 (11.0 mag)
2026 May 26 ~23:10 UT: (1943) Anteros occults UCAC4 412-052314 (12.4 mag)
Amor Asteroids Near Earth Asteroids - Call for Observations by the ACROSS Team
2026 May 26 ~23:10 UT: (1943) Anteros occults UCAC4 412-052314 (12.4 mag)
2026 May 30 ~00:47 UT: (5027) Androgeos occults HIP 57169 (7.9 mag)
Jupiter Trojans Special Event
2026 May 30 ~00:47 UT: (5027) Androgeos occults HIP 57169 (7.9 mag)
2026 May 13 ~22:08 UT: (2462) Nehalennia occults HIP 69463 (7.9 mag)
Main-Belt Asteroids Upcoming Occultation
2026 May 13 ~22:08 UT: (2462) Nehalennia occults HIP 69463 (7.9 mag)
2026 May 17 ~00:01 UT: (3173) McNaught occults TYC 4983-00810-1 (8.4 mag)
Main-Belt Asteroids Upcoming Occultation
2026 May 17 ~00:01 UT: (3173) McNaught occults TYC 4983-00810-1 (8.4 mag)
2026 May 18 ~23:31 UT: (22756) Manpreetkaur occults HIP 54108 (6.9 mag)
Main-Belt Asteroids Upcoming Occultation
2026 May 18 ~23:31 UT: (22756) Manpreetkaur occults HIP 54108 (6.9 mag)
2025 May 08 ~01:48 UT: (149603) 1999 FO3 occults UCAC4 483-095792 (12.5 mag)
Main-Belt Asteroids Past Event Suspected binary asteroids - GaiaMoons project
2025 May 08 ~01:48 UT: (149603) 1999 FO3 occults UCAC4 483-095792 (12.5 mag)
2026 May 08 ~01:34 UT: (24094) 1999 UN60 occults HIP 65934 (8.6 mag)
Main-Belt Asteroids Past Event Suspected binary asteroids - GaiaMoons project
2026 May 08 ~01:34 UT: (24094) 1999 UN60 occults HIP 65934 (8.6 mag)
2026 May 05 ~21:13 UT: (30076) 2000 EP97 occults HIP 33861 (8.0 mag)
Main-Belt Asteroids Past Event
2026 May 05 ~21:13 UT: (30076) 2000 EP97 occults HIP 33861 (8.0 mag)
2026 May 05 ~00:09 UT: (491) Carina occults TYC 0732-01518-1 (12.3 mag)
Main-Belt Asteroids Observation Campaign for Slow Rotators Past Event
2026 May 05 ~00:09 UT: (491) Carina occults TYC 0732-01518-1 (12.3 mag)
Main-Belt Asteroids Upcoming Occultation

2026 May 11 ~22:18 UT: (27081) 1998 TK16 occults TYC 5651-00495-1 (8.4 mag)

2026-04-29

Bright star! Short max. duration of 0.39 s! Last update: 2026 Apr 29, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1956-27081-242059-647266-T00495-1

Main-Belt Asteroids Upcoming Occultation

2026 May 13 ~22:08 UT: (2462) Nehalennia occults HIP 69463 (7.9 mag)

2026-04-29

Bright star! Short max. duration of 0.66 s! Last update: 2026 Apr 29, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1958-2462-201387-647447-H69463

Main-Belt Asteroids Upcoming Occultation

2026 May 17 ~00:01 UT: (3173) McNaught occults TYC 4983-00810-1 (8.4 mag)

2026-04-29

Bright star! Short max. duration of 0.81 s! Last update: 2026 Apr 29, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1962-3173-204812-647634-T00810-1

Main-Belt Asteroids Upcoming Occultation

2026 May 18 ~23:31 UT: (22756) Manpreetkaur occults HIP 54108 (6.9 mag)

2026-04-29

Bright star! Short max. duration of 0.72 s! Last update: 2026 Apr 29, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1963-22756-156851-648319-H54108

Main-Belt Asteroids Upcoming Occultation

2026 May 23 ~22:32 UT: (31393) 1998 YG8 occults TYC 6284-00514-1 (8.9 mag)

2026-05-08

Bright star! Short max. duration of 0.64 s! Last update: 2026 May 08, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1968-31393-265649-646886-T00514-1

Main-Belt Asteroids

2026 May 23 ~22:49 UT: (8135) Davidmitchell occults HIP 70183 (7.6 mag)

2026-05-08

Bright star! Short max. duration of 0.59 s! Last update: 2026 May 08, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1968-8135-203336-647341-H70183

Main-Belt Asteroids

2026 May 25 ~20:51 UT: (34159) Ryanthorpe occults TYC 5671-01271-1 (8.8 mag)

2026-05-08

Bright star! Short max. duration of 0.40 s! Last update: 2026 May 08, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1970-34159-249374-647070-T01271-1

Main-Belt Asteroids

2026 May 26 ~02:40 UT: (4598) Coradini occults HIP 99962 (7.8 mag)

2026-05-08

Bright star! Last update: 2026 May 08, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1971-4598-287059-647575-H99962

Amor Asteroids Near Earth Asteroids - Call for Observations by the ACROSS Team

2026 May 26 ~23:10 UT: (1943) Anteros occults UCAC4 412-052314 (12.4 mag)

2026-05-08

Amor asteroid! Short max. duration of only 0.32 s! Last update: 2026 May 08, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1971-1943-164863-647507-U052314

Amor Asteroids Near Earth Asteroids - Call for Observations by the ACROSS Team

2026 May 27 ~22:47 UT: (1943) Anteros occults TYC 4937-00320-1 (11.0 mag)

2026-05-08

Amor asteroid! Short max. duration of only 0.32 s! Last update: 2026 May 08, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1972-1943-166465-647541-T00320-1

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IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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