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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 Jan 10 ~20:49 UT: (13199) 1997 EW25 occults HIP 3574 (7.6 mag) 2026 Jan 10 ~20:15 UT: (15346) Bonifatius occults HIP 7014 (8.1 mag) 2026 Jan 10 ~19:03 UT: (21776) Krysczynska occults J050945.80+230126.7 (6.8 mag) 2026 Jan 10 ~00:00 UT: (3955) Bruckner occults TYC 2401-00305-1 (7.8 mag) 2026 Jan 07 ~20:24 UT: (266) Aline occults TYC 0730-01071-1 (10.4 mag)
Main-Belt Asteroids Upcoming Occultation

2026 Jan 10 ~20:49 UT: (13199) 1997 EW25 occults HIP 3574 (7.6 mag)

2026-01-01
Main-Belt Asteroids Upcoming Occultation

2026 Jan 10 ~20:15 UT: (15346) Bonifatius occults HIP 7014 (8.1 mag)

2026-01-01
Main-Belt Asteroids Upcoming Occultation

2026 Jan 10 ~19:03 UT: (21776) Krysczynska occults J050945.80+230126.7 (6.8 mag)

2026-01-01
Main-Belt Asteroids Upcoming Occultation

2026 Jan 10 ~00:00 UT: (3955) Bruckner occults TYC 2401-00305-1 (7.8 mag)

2026-01-01
Main-Belt Asteroids Observation Campaign for Slow Rotators Upcoming Occultation

2026 Jan 07 ~20:24 UT: (266) Aline occults TYC 0730-01071-1 (10.4 mag)

2026-01-01
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  • Past Events
2026 Jan 19 ~20:47 UT: (19126) Ottohahn occults UCAC4 454-043362 (13.5 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project
2026 Jan 19 ~20:47 UT: (19126) Ottohahn occults UCAC4 454-043362 (13.5 mag)
2026 Jan 19 ~20:36 UT: (9220) Yohisdayama occults HIP 30049 (6.8 mag)
Main-Belt Asteroids
2026 Jan 19 ~20:36 UT: (9220) Yohisdayama occults HIP 30049 (6.8 mag)
2026 Jan 19 ~17:26 UT: (4807) Noboru occults HIP 16813 (7.4 mag)
Main-Belt Asteroids
2026 Jan 19 ~17:26 UT: (4807) Noboru occults HIP 16813 (7.4 mag)
2026 Jan 19 ~00:55 UT: (1036) Ganymed occults UCAC4 349-056247 (14.8 mag)
Amor Asteroids Near Earth Asteroids - Call for Observations by the ACROSS Team
2026 Jan 19 ~00:55 UT: (1036) Ganymed occults UCAC4 349-056247 (14.8 mag)
2026 Jan 19 ~20:47 UT: (19126) Ottohahn occults UCAC4 454-043362 (13.5 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project
2026 Jan 19 ~20:47 UT: (19126) Ottohahn occults UCAC4 454-043362 (13.5 mag)
2026 Jan 10 ~20:49 UT: (13199) 1997 EW25 occults HIP 3574 (7.6 mag)
Main-Belt Asteroids Upcoming Occultation
2026 Jan 10 ~20:49 UT: (13199) 1997 EW25 occults HIP 3574 (7.6 mag)
2026 Jan 10 ~00:00 UT: (3955) Bruckner occults TYC 2401-00305-1 (7.8 mag)
Main-Belt Asteroids Upcoming Occultation
2026 Jan 10 ~00:00 UT: (3955) Bruckner occults TYC 2401-00305-1 (7.8 mag)
2026 Jan 10 ~19:03 UT: (21776) Krysczynska occults J050945.80+230126.7 (6.8 mag)
Main-Belt Asteroids Upcoming Occultation
2026 Jan 10 ~19:03 UT: (21776) Krysczynska occults J050945.80+230126.7 (6.8 mag)
2026 Jan 07 ~00:22 UT: (15024) 1998 TB occults TYC 1419-01260-1 (8.7 mag)
Main-Belt Asteroids Past Event
2026 Jan 07 ~00:22 UT: (15024) 1998 TB occults TYC 1419-01260-1 (8.7 mag)
2026 Jan 06 ~21:55 UT: (6644) Jugaku occults HIP 46187 (7.9 mag)
Main-Belt Asteroids Past Event
2026 Jan 06 ~21:55 UT: (6644) Jugaku occults HIP 46187 (7.9 mag)
2026 Jan 05 ~20:53 UT: (834) Burnhamia occults UCAC4 534-041320 (14.0 mag)
Main-Belt Asteroids Past Event Suspected binary asteroids - GaiaMoons project
2026 Jan 05 ~20:53 UT: (834) Burnhamia occults UCAC4 534-041320 (14.0 mag)
2026 Jan 05 ~20:13 UT: (3206) Wuhan occults UCAC4 594-016032 (13.9 mag)
Main-Belt Asteroids Past Event Suspected binary asteroids - GaiaMoons project
2026 Jan 05 ~20:13 UT: (3206) Wuhan occults UCAC4 594-016032 (13.9 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project

2026 Jan 12 ~20:33 UT: (206) Hersilia occults UCAC4 546-033707 (13.1 mag)

2026-01-05

Suspected binary asteroid! Faint mag drop of only 0.43 mag! Last update: 2026 Jan 05, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1837-206-96195-649202-U033707 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=90562

Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project

2026 Jan 13 ~00:09 UT: (4332) Milton occults UCAC4 431-020708 (11.9 mag)

2026-01-05

Suspected binary asteroid! Short max. duration of only 0.91 s! Raphaël Lallemand (GAIAMOONS) wrote on Planoccult on Jan 05: The main body is 10.8 km wide, with a satellite between…

Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project

2026 Jan 13 ~00:40 UT: (25238) 1998 UJ7 occults UCAC4 568-021989 (12.4 mag)

2026-01-05

Suspected binary asteroid! Short max. duration of only 0.41 s! Last update: 2026 Jan 05, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1838-25238-85165-649472-U021989 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=104233

Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project

2026 Jan 13 ~00:58 UT: (206) Hersilia occults UCAC4 546-033657 (14.0 mag)

2026-01-05

Suspected binary asteroid! Faint star! Faint mag drop of only 0.21 mag! Last update: 2026 Jan 05, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1838-206-96155-649203-U033657 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=90564

Main-Belt Asteroids

2026 Jan 13 ~02:05 UT: (8577) Choseikomori occults TYC 0773-00793-1 (8.6 mag)

2026-01-05

Bright star! Short max. duration of only 0.33 s! Last update: 2026 Jan 05, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1838-8577-107493-648724-T00793-1

Main-Belt Asteroids

2026 Jan 13 ~20:55 UT: (22902) 1999 TH17 occults HIP 46349 (8.0 mag)

2026-01-05

Bright star! Short max. duration of only 0.46 s! Last update: 2026 Jan 05, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1838-22902-133944-649126-H46349

Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project

2026 Jan 13 ~22:06 UT: (18067) 2000 AB98 occults UCAC4 528-052814 (13.1 mag)

2026-01-05

Suspected binary asteroid! Faint star! Last update: 2026 Jan 05, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1838-18067-155929-648970-U052814 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=107598

Main-Belt Asteroids

2026 Jan 14 ~05:51 UT: (18086) Emilykraft occults TYC 0258-01009-1 (9.2 mag)

2026-01-05

Bright star! Last update: 2026 Jan 05, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1839-18086-153843-648204-T01009-1

Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project

2026 Jan 14 ~21:59 UT: (3206) Wuhan occults UCAC4 596-016208 (13.0 mag)

2026-01-05

Suspected binary asteroid! Faint star! Last update: 2026 Jan 05, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1839-3206-72451-649837-U016208 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=109185

Main-Belt Asteroids

2026 Jan 15 ~19:06 UT: (11112) Cagnoli occults HIP 118320 (7.3 mag)

2026-01-06

Bright star! Short max. duration of only 0.28 s! Last update: 2026 Jan 06, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1840-11112-291-648383-H118320

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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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