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IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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Upcoming Occultations

2026 Sep 30 ~23:04 UT: (21288) 1996 VW occults TYC 5230-01352-1 (7.0 mag) 2026 Sep 29 ~03:34 UT: (2404) Antarctica occults HIP 41727 (8.2 mag) 2026 Sep 27 ~02:58 UT: (2721) Vsekhsvyatskij occults HIP 23883 (5.7 mag) 2026 Sep 27 ~02:54 UT: (31402) Negishi occults J065345.82+344631.8 (7.9 mag) 2026 Aug 21 ~20:35 UT: (249603) 1999 FO3 occults UCAC4 476-075863 (13.5 mag)
Main-Belt Asteroids Upcoming Occultation

2026 Sep 30 ~23:04 UT: (21288) 1996 VW occults TYC 5230-01352-1 (7.0 mag)

2026-09-16
Main-Belt Asteroids Upcoming Occultation

2026 Sep 29 ~03:34 UT: (2404) Antarctica occults HIP 41727 (8.2 mag)

2026-09-16
Main-Belt Asteroids Upcoming Occultation

2026 Sep 27 ~02:58 UT: (2721) Vsekhsvyatskij occults HIP 23883 (5.7 mag)

2026-09-16
Main-Belt Asteroids Upcoming Occultation

2026 Sep 27 ~02:54 UT: (31402) Negishi occults J065345.82+344631.8 (7.9 mag)

2026-09-16
Main-Belt Asteroids Past Event Suspected binary asteroids - GaiaMoons project Upcoming Occultation

2026 Aug 21 ~20:35 UT: (249603) 1999 FO3 occults UCAC4 476-075863 (13.5 mag)

2026-08-02
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  • Past Events
2026 Sep 30 ~23:04 UT: (21288) 1996 VW occults TYC 5230-01352-1 (7.0 mag)
Main-Belt Asteroids Upcoming Occultation
2026 Sep 30 ~23:04 UT: (21288) 1996 VW occults TYC 5230-01352-1 (7.0 mag)
2026 Sep 29 ~03:34 UT: (2404) Antarctica occults HIP 41727 (8.2 mag)
Main-Belt Asteroids Upcoming Occultation
2026 Sep 29 ~03:34 UT: (2404) Antarctica occults HIP 41727 (8.2 mag)
2026 Sep 27 ~02:58 UT: (2721) Vsekhsvyatskij occults HIP 23883 (5.7 mag)
Main-Belt Asteroids Upcoming Occultation
2026 Sep 27 ~02:58 UT: (2721) Vsekhsvyatskij occults HIP 23883 (5.7 mag)
2026 Sep 27 ~02:54 UT: (31402) Negishi occults J065345.82+344631.8 (7.9 mag)
Main-Belt Asteroids Upcoming Occultation
2026 Sep 27 ~02:54 UT: (31402) Negishi occults J065345.82+344631.8 (7.9 mag)
2026 Sep 27 ~02:54 UT: (31402) Negishi occults J065345.82+344631.8 (7.9 mag)
Main-Belt Asteroids Upcoming Occultation
2026 Sep 27 ~02:54 UT: (31402) Negishi occults J065345.82+344631.8 (7.9 mag)
2026 Sep 27 ~02:58 UT: (2721) Vsekhsvyatskij occults HIP 23883 (5.7 mag)
Main-Belt Asteroids Upcoming Occultation
2026 Sep 27 ~02:58 UT: (2721) Vsekhsvyatskij occults HIP 23883 (5.7 mag)
2026 Sep 29 ~03:34 UT: (2404) Antarctica occults HIP 41727 (8.2 mag)
Main-Belt Asteroids Upcoming Occultation
2026 Sep 29 ~03:34 UT: (2404) Antarctica occults HIP 41727 (8.2 mag)
2026 Sep 30 ~23:04 UT: (21288) 1996 VW occults TYC 5230-01352-1 (7.0 mag)
Main-Belt Asteroids Upcoming Occultation
2026 Sep 30 ~23:04 UT: (21288) 1996 VW occults TYC 5230-01352-1 (7.0 mag)
2026 Sep 26 ~02:38 UT: (308) Polyxo occults UCAC4 539-040535 (13.4 mag)
Main-Belt Asteroids Past Event Suspected binary asteroids - GaiaMoons project
2026 Sep 26 ~02:38 UT: (308) Polyxo occults UCAC4 539-040535 (13.4 mag)
2026 Sep 25 ~00:14 UT: (2207) Antenor occults UCAC4 533-021773 (14.3 mag)
Jupiter Trojans - predicted by the ERC Lucky Star project Past Event
2026 Sep 25 ~00:14 UT: (2207) Antenor occults UCAC4 533-021773 (14.3 mag)
2026 Sep 25 ~00:02 UT: (43225) 2000 AW165 occults UCAC4 379-164884 (8.7 mag)
Main-Belt Asteroids Past Event
2026 Sep 25 ~00:02 UT: (43225) 2000 AW165 occults UCAC4 379-164884 (8.7 mag)
2026 Sep 24 ~00:36 UT: (24628) 1981 EG3 occults HIP 6554 (8.0 mag)
Main-Belt Asteroids Past Event
2026 Sep 24 ~00:36 UT: (24628) 1981 EG3 occults HIP 6554 (8.0 mag)
Main-Belt Asteroids Upcoming Occultation

2026 Sep 27 ~02:54 UT: (31402) Negishi occults J065345.82+344631.8 (7.9 mag)

2026-09-16

Bright star! Short max. duration of only 0.92 s! Expect fades >0.3 s! Last update: 2026 Sep 16, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2095-31402-373990-449068-J4582318

Main-Belt Asteroids Upcoming Occultation

2026 Sep 27 ~02:58 UT: (2721) Vsekhsvyatskij occults HIP 23883 (5.7 mag)

2026-09-16

Very bright star! HIP 23883 = 105 Tau Last update: 2026 Sep 16, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2095-2721-278587-402266-H23883

Main-Belt Asteroids Upcoming Occultation

2026 Sep 29 ~03:34 UT: (2404) Antarctica occults HIP 41727 (8.2 mag)

2026-09-16

Bright star! Short max. duration of only 0.81 s! Last update: 2026 Sep 16, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2097-2404-460843-391873-H41727

Main-Belt Asteroids Upcoming Occultation

2026 Sep 30 ~23:04 UT: (21288) 1996 VW occults TYC 5230-01352-1 (7.0 mag)

2026-09-16

Bright star! Short max. duration of only 0.81 s! Last update: 2026 Sep 16, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2098-21288-1196713-301503-T01352-1

IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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