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IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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Upcoming Occultations

2026 Jan 29 ~20:29 UT: (3561) Devine occults TYC 4682-00955-1 (7.9 mag) 2026 Jan 28 ~20:03 UT: (4332) Milton occults UCAC4 444-017693 (13.9 mag) 2026 Jan 28 ~04:57 UT: (19315) Aizunisshinkan occults HIP 46062 (8.6 mag) 2026 Jan 28 ~03:08 UT: (403) Cyane occults UCAC4 458-046615 (13.5 mag) 2026 Jan 27~20:25 UT: (7825) 1991 TL1 occults TYC 5313-00294-1 (8.7 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project Upcoming Occultation

2026 Jan 29 ~20:29 UT: (3561) Devine occults TYC 4682-00955-1 (7.9 mag)

2026-01-09
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project Upcoming Occultation

2026 Jan 28 ~20:03 UT: (4332) Milton occults UCAC4 444-017693 (13.9 mag)

2026-01-09
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project Upcoming Occultation

2026 Jan 28 ~04:57 UT: (19315) Aizunisshinkan occults HIP 46062 (8.6 mag)

2026-01-09
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project Upcoming Occultation

2026 Jan 28 ~03:08 UT: (403) Cyane occults UCAC4 458-046615 (13.5 mag)

2026-01-09
Main-Belt Asteroids Upcoming Occultation

2026 Jan 27~20:25 UT: (7825) 1991 TL1 occults TYC 5313-00294-1 (8.7 mag)

2026-01-09
  • New Predictions
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  • Past Events
2026 Feb 20 ~21:56 UT: (54598) Bienor occults UCAC4 629-041023 (15.2 mag)
Trans-Neptunian Objects, Cubewanos and Centaurs - Predicted by the ERC Lucky Star project
2026 Feb 20 ~21:56 UT: (54598) Bienor occults UCAC4 629-041023 (15.2 mag)
2026 Feb 20 ~18:00 UT: (903) Nealley occults UCAC4 506-049100 (15.0 mag)
Main-Belt Asteroids Observation Campaign for Slow Rotators
2026 Feb 20 ~18:00 UT: (903) Nealley occults UCAC4 506-049100 (15.0 mag)
2026 Feb 19 ~18:48 UT: (4890) Shikanosima occults TYC 1882-01417-1 (8.4 mag)
Main-Belt Asteroids
2026 Feb 19 ~18:48 UT: (4890) Shikanosima occults TYC 1882-01417-1 (8.4 mag)
2026 Feb 18 ~20:26 UT: (12914) 1998 SJ141 occults UCAC4 652-031970 (13.0 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project
2026 Feb 18 ~20:26 UT: (12914) 1998 SJ141 occults UCAC4 652-031970 (13.0 mag)
2026 Feb 20 ~21:56 UT: (54598) Bienor occults UCAC4 629-041023 (15.2 mag)
Trans-Neptunian Objects, Cubewanos and Centaurs - Predicted by the ERC Lucky Star project
2026 Feb 20 ~21:56 UT: (54598) Bienor occults UCAC4 629-041023 (15.2 mag)
2026 Jan 26 ~19:30 UT: (13808) Davewilliams occults HIP 113904 (6.3 mag)
Main-Belt Asteroids
2026 Jan 26 ~19:30 UT: (13808) Davewilliams occults HIP 113904 (6.3 mag)
2026 Jan 27~20:25 UT: (7825) 1991 TL1 occults TYC 5313-00294-1 (8.7 mag)
Main-Belt Asteroids Upcoming Occultation
2026 Jan 27~20:25 UT: (7825) 1991 TL1 occults TYC 5313-00294-1 (8.7 mag)
2026 Jan 28 ~03:08 UT: (403) Cyane occults UCAC4 458-046615 (13.5 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project Upcoming Occultation
2026 Jan 28 ~03:08 UT: (403) Cyane occults UCAC4 458-046615 (13.5 mag)
2026 Jan 26 ~05:18 UT: (11855) Preller occults HIP 43970 (5.2 mag)
Main-Belt Asteroids Past Event
2026 Jan 26 ~05:18 UT: (11855) Preller occults HIP 43970 (5.2 mag)
2026 Jan 25 ~03:26 UT: (720) Bohlinia occults UCAC4 571-043137 (13.6 mag)
Main-Belt Asteroids Past Event Suspected binary asteroids - GaiaMoons project
2026 Jan 25 ~03:26 UT: (720) Bohlinia occults UCAC4 571-043137 (13.6 mag)
2026 Jan 25 ~01:05 UT: (22889) Donnablaney occults TYC 1906-00258-1 (7.6 mag)
Main-Belt Asteroids Past Event
2026 Jan 25 ~01:05 UT: (22889) Donnablaney occults TYC 1906-00258-1 (7.6 mag)
2026 Jan 24 ~19:03 UT: (15256) 1990 RD1 occults UCAC4 505-024673 (8.2 mag)
Main-Belt Asteroids Past Event
2026 Jan 24 ~19:03 UT: (15256) 1990 RD1 occults UCAC4 505-024673 (8.2 mag)
Main-Belt Asteroids Upcoming Occultation

2026 Jan 27~20:25 UT: (7825) 1991 TL1 occults TYC 5313-00294-1 (8.7 mag)

2026-01-09

Bright star! Short max. duration of only 0.47 s! Last update: 2026 Jan 09, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1852-7825-62467-647404-T00294-1

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

2026 Jan 28 ~03:08 UT: (403) Cyane occults UCAC4 458-046615 (13.5 mag)

2026-01-09

Suspected binary asteroid! Faint mag drop of only 0.43 mag! Last update: 2026 Jan 09, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1853-403-130497-648088-U046615 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=91627

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

2026 Jan 28 ~04:57 UT: (19315) Aizunisshinkan occults HIP 46062 (8.6 mag)

2026-01-09

Bright star! Short max. duration of only 0.37 s! Last update: 2026 Jan 09, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1853-19315-133149-649521-H46062

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

2026 Jan 28 ~20:03 UT: (4332) Milton occults UCAC4 444-017693 (13.9 mag)

2026-01-09

Suspected binary asteroid! Faint star! Short max. duration of only 0.99 s! Last update: 2026 Jan 09, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1853-4332-92354-647914-U017693 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=102271

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

2026 Jan 29 ~20:29 UT: (3561) Devine occults TYC 4682-00955-1 (7.9 mag)

2026-01-09

Suspected binary asteroid! Bright star! Last update: 2026 Jan 09, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1854-3561-21476-647981-T00955-1 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=102187

Main-Belt Asteroids

2026 Jan 31 ~17:21 UT: (5526) Kenzo occults HIP 5995 (8.9 mag)

2026-01-09

Bright star! Short max. duration of only 0.26 s! Last update: 2026 Jan 09, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1856-5526-18484-648506-H5995

Main-Belt Asteroids

2026 Feb 01 ~00:23 UT: (8995) Rachelstevenson occults TYC 2369-01598-1 (8.5 mag)

2026-01-11

Bright star! Last update: 2026 Jan 11, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1857-8995-56926-650268-T01598-1

Main-Belt Asteroids

2026 Feb 02 ~19:53 UT: (5960) Wakkanai occults HIP 33808 (7.4 mag)

2026-01-11

Bright star! Short max. duration of only 0.79 s! Last update: 2026 Jan 11, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1858-5960-99628-649866-H33808

Main-Belt Asteroids

2026 Feb 02 ~23:37 UT: (14488) 1994 TF15 occults UCAC4 516-051382 (8.7 mag)

2026-01-11

Bright star! Short max. duration of only 0.39 s! Last update: 2026 Jan 11, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1858-14488-138641-648813-U051382

Main-Belt Asteroids

2026 Feb 03 ~20:19 UT: (22676) 1998 QS41 occults HIP 2988 (7.4 mag)

2026-01-11

Bright star! Very short max. duration of only 0.15 s! Last update: 2026 Jan 11, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1859-22676-9271-648183-H2988

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IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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