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IOTA/ES – Call for Observations

IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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Upcoming Occultations

2026 Apr 22 ~01:54 UT: (18655) 1998 FS26 occults UCAC4 418-116215 (13.0 mag) 2026 Apr 21 ~22:21 UT: (38950) 2000 ST295 occults HIP 67903 (8.7 mag) 2026 Apr 20 ~23:20 UT: (1668) Hanna occults HIP 68301 (9.0 mag) 2025 Apr 20 ~21:24 UT: (40966) 1999 TM250 occults TYC 1301-00068-1 (8.9 mag) 2026 Apr 20 ~20:33 UT: (18529) 1996 WK3 occults TYC 1337-01738-1 (8.0 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project Upcoming Occultation

2026 Apr 22 ~01:54 UT: (18655) 1998 FS26 occults UCAC4 418-116215 (13.0 mag)

2026-04-02
Main-Belt Asteroids Upcoming Occultation

2026 Apr 21 ~22:21 UT: (38950) 2000 ST295 occults HIP 67903 (8.7 mag)

2026-04-02
Main-Belt Asteroids Upcoming Occultation

2026 Apr 20 ~23:20 UT: (1668) Hanna occults HIP 68301 (9.0 mag)

2026-04-02
Main-Belt Asteroids Upcoming Occultation

2025 Apr 20 ~21:24 UT: (40966) 1999 TM250 occults TYC 1301-00068-1 (8.9 mag)

2026-04-02
Main-Belt Asteroids Upcoming Occultation

2026 Apr 20 ~20:33 UT: (18529) 1996 WK3 occults TYC 1337-01738-1 (8.0 mag)

2026-04-02
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  • Past Events
2026 Apr 29 ~01:14 UT: (15404) 1997 VE8 occults UCAC4 321-218017 (8.6 mag)
Main-Belt Asteroids
2026 Apr 29 ~01:14 UT: (15404) 1997 VE8 occults UCAC4 321-218017 (8.6 mag)
2026 Apr 28 ~22:28 UT: (47808) 2000 EG67 occults HIP 38501 (8.0 mag)
Main-Belt Asteroids
2026 Apr 28 ~22:28 UT: (47808) 2000 EG67 occults HIP 38501 (8.0 mag)
2026 Apr 28 ~02:33 UT: (3105) Stumpff occults HIP 95974 (6.5 mag)
Main-Belt Asteroids
2026 Apr 28 ~02:33 UT: (3105) Stumpff occults HIP 95974 (6.5 mag)
2026 Apr 27 ~03:10 UT: (69017) 2002 UK49 occults UCAC4 345-191617 (12.6 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project
2026 Apr 27 ~03:10 UT: (69017) 2002 UK49 occults UCAC4 345-191617 (12.6 mag)
2026 Apr 29 ~01:14 UT: (15404) 1997 VE8 occults UCAC4 321-218017 (8.6 mag)
Main-Belt Asteroids
2026 Apr 29 ~01:14 UT: (15404) 1997 VE8 occults UCAC4 321-218017 (8.6 mag)
2025 Apr 20 ~21:24 UT: (40966) 1999 TM250 occults TYC 1301-00068-1 (8.9 mag)
Main-Belt Asteroids Upcoming Occultation
2025 Apr 20 ~21:24 UT: (40966) 1999 TM250 occults TYC 1301-00068-1 (8.9 mag)
2026 Apr 20 ~23:20 UT: (1668) Hanna occults HIP 68301 (9.0 mag)
Main-Belt Asteroids Upcoming Occultation
2026 Apr 20 ~23:20 UT: (1668) Hanna occults HIP 68301 (9.0 mag)
2026 Apr 21 ~22:21 UT: (38950) 2000 ST295 occults HIP 67903 (8.7 mag)
Main-Belt Asteroids Upcoming Occultation
2026 Apr 21 ~22:21 UT: (38950) 2000 ST295 occults HIP 67903 (8.7 mag)
2026 Apr 17 ~22:36 UT: (16757) Luoxiahong occults HIP 33358 (6.5 mag)
Main-Belt Asteroids Past Event
2026 Apr 17 ~22:36 UT: (16757) Luoxiahong occults HIP 33358 (6.5 mag)
2025 Apr 17 ~21:15 UT: (309) Fraternitas occults UCAC4 383-065030 (14.6 mag)
Main-Belt Asteroids Observation Campaign for Slow Rotators Past Event
2025 Apr 17 ~21:15 UT: (309) Fraternitas occults UCAC4 383-065030 (14.6 mag)
2026 Apr 17 ~19:25 UT: (6514) Torahiko occults UCAC4 526-013143 (8.9 mag)
Main-Belt Asteroids Past Event
2026 Apr 17 ~19:25 UT: (6514) Torahiko occults UCAC4 526-013143 (8.9 mag)
2026 Apr 16 ~00:26 UT: (65803) Didymos occults UCAC4 339-098595 (13.6 mag)
Flyby target of a spacecraft Near Earth Asteroids - Call for Observations by the ACROSS Team Past Event
2026 Apr 16 ~00:26 UT: (65803) Didymos occults UCAC4 339-098595 (13.6 mag)
Flyby target of a spacecraft Near Earth Asteroids - Call for Observations by the ACROSS Team Special Event

2026 Apr 27 ~02:35 UT: (65803) Didymos occults UCAC4 338-104468 (15.7 mag)

2026-04-15

Apollo asteroid! Target of the DART and HERA missions! Very faint star! Short max. duration of only 0.41 s! Last update: 2026 Apr 15, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1942-65803-249499-646589-U104468

Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project

2026 Apr 27 ~03:10 UT: (69017) 2002 UK49 occults UCAC4 345-191617 (12.6 mag)

2026-04-15

Suspected binary asteroid! Short max. duration of only 0.27 s! Last update: 2026 Apr 15, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1942-69017-279641-646675-U191617 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=97672

Main-Belt Asteroids

2026 Apr 28 ~02:33 UT: (3105) Stumpff occults HIP 95974 (6.5 mag)

2026-04-15

Bright star! Short max. duration of 0.66 s! Last update: 2026 Apr 15, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1943-3105-276257-647088-H95974

Main-Belt Asteroids

2026 Apr 28 ~22:28 UT: (47808) 2000 EG67 occults HIP 38501 (8.0 mag)

2026-04-15

Bright star! Short max. duration of 0.35 s! Last update: 2026 Apr 15, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1943-47808-111830-649264-H38501

Main-Belt Asteroids

2026 Apr 29 ~01:14 UT: (15404) 1997 VE8 occults UCAC4 321-218017 (8.6 mag)

2026-04-15

Bright star! Short max. duration of 0.48 s! Last update: 2026 Apr 15, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1944-15404-275798-646380-U218017

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IOTA/ES – Call for Observations

IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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