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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 ~23:07 UT: (340) Eduarda occults UCAC4 553-046906 (13.0 mag) 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)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project Upcoming Occultation

2026 Jan 10 ~23:07 UT: (340) Eduarda occults UCAC4 553-046906 (13.0 mag)

2026-01-01
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
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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 ~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 10 ~20:15 UT: (15346) Bonifatius occults HIP 7014 (8.1 mag)
Main-Belt Asteroids Upcoming Occultation
2026 Jan 10 ~20:15 UT: (15346) Bonifatius occults HIP 7014 (8.1 mag)
2026 Jan 07 ~20:24 UT: (266) Aline occults TYC 0730-01071-1 (10.4 mag)
Main-Belt Asteroids Observation Campaign for Slow Rotators Past Event
2026 Jan 07 ~20:24 UT: (266) Aline occults TYC 0730-01071-1 (10.4 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)
Main-Belt Asteroids Special Event

2026 Jan 16 ~06:08 UT: (362) Havnia occults J145052.60-160231.5 (2.7 mag)

2026-01-06

Naked-eye event! Very bright star: alpha2 Lib Faint mag drop of only 0.8 mag! Last update: 2026 Jan 06, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1841-362-210249-646985-J5260315

Main-Belt Asteroids

2026 Jan 16 ~16:50 UT: (10227) Izanami occults J052252.36+143545.1 (8.7 mag)

2026-01-06

Bright star! Last update: 2026 Jan 06, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1841-10227-76431-648919-J5236451

Main-Belt Asteroids

2026 Jan 16 ~20:16 UT: (1186) Turnera occults HIP 25943 (8.8 mag)

2026-01-06

Bright star! Last update: 2026 Jan 06, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1841-1186-78687-650197-H25943

Main-Belt Asteroids

2026 Jan 16 ~22:27 UT: (2638) Gadolin occults HIP 12015 (8.9 mag)

2026-01-06

Bright star! Last update: 2026 Jan 06, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1841-2638-36848-648974-H12015

Jupiter Trojans - predicted by the ERC Lucky Star project

2026 Jan 17 ~20:21 UT: (24448) 2000 QE42 occults UCAC4 459-001919 (13.2 mag)

2026-01-06

Jupiter Trojan! Faint star! Last update: 2026 Jan 06, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1842-24448-22221-648115-U001919 Prediction of the Lucky Star project (2025 Aug 21): https://lesia.obspm.fr/lucky-star/occ.php?p=149086

Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project

2026 Jan 17 ~21:06 UT: (49365) 1998 WR18 occults UCAC4 545-025360 (13.1 mag)

2026-01-06

Suspected binary asteroid! Short max. duration of only 0.38 s! Last update: 2026 Jan 06, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1842-49365-89728-649187-U025360 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=99009

Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project

2026 Jan 18 ~18:02 UT: (115664) 2003 UL142 occults UCAC4 552-016522 (13.2 mag)

2026-01-06

Suspected binary asteroid! Faint star! Short max. duration of only 0.66 s! Last update: 2026 Jan 06, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1843-115664-79487-649280-U016522 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=103518

Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project

2026 Jan 18 ~18:37 UT: (692) Hippodamia occults UCAC4 611-012100 (12.7 mag)

2026-01-06

Suspected binary asteroid! Last update: 2026 Jan 06, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1843-692-57608-650018-U012100 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=111493

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)

2026-01-06

Amor class asteroid! Very faint star! Faint mag drop of only 0.9 mag ! Last update: 2026 Jan 06, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1844-1036-134518-646720-U056247

Main-Belt Asteroids

2026 Jan 19 ~17:26 UT: (4807) Noboru occults HIP 16813 (7.4 mag)

2026-01-06

Bright star! Short max. duration of only 0.6 s! Last update: 2026 Jan 06, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1844-4807-51349-649266-H16813

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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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