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IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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Upcoming Occultations

2026 Jun 29 ~21:41 UT: (152637) 1997 NC1 occults TYC 7352-01279-1 (9.8 mag) 2026 Jul 01 ~21:39 UT: (26432) 1999 XZ202 occults J110644.06+174414.1 (5.8 mag) 2026 Jul 01 ~21:08 UT: (3470) Yaronika occults UCAC4 349-137710 (13.8 mag) 2026 Jun 30 ~21:07 UT: (10261) Nikdollezhal’ occults UCAC4 279-080818 (8.6 mag) 2026 Jun 29 ~01:09 UT: (19533) Garrison occults TYC 0603-01046-1 (8.5 mag)
Near Earth Asteroids - Call for Observations by the ACROSS Team Special Event Upcoming Occultation

2026 Jun 29 ~21:41 UT: (152637) 1997 NC1 occults TYC 7352-01279-1 (9.8 mag)

2026-06-28
Main-Belt Asteroids Upcoming Occultation

2026 Jul 01 ~21:39 UT: (26432) 1999 XZ202 occults J110644.06+174414.1 (5.8 mag)

2026-06-27
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project Upcoming Occultation

2026 Jul 01 ~21:08 UT: (3470) Yaronika occults UCAC4 349-137710 (13.8 mag)

2026-06-27
Main-Belt Asteroids Upcoming Occultation

2026 Jun 30 ~21:07 UT: (10261) Nikdollezhal’ occults UCAC4 279-080818 (8.6 mag)

2026-06-14
Main-Belt Asteroids Upcoming Occultation

2026 Jun 29 ~01:09 UT: (19533) Garrison occults TYC 0603-01046-1 (8.5 mag)

2026-06-14
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2026 Jun 29 ~21:41 UT: (152637) 1997 NC1 occults TYC 7352-01279-1 (9.8 mag)
Near Earth Asteroids - Call for Observations by the ACROSS Team Special Event Upcoming Occultation
2026 Jun 29 ~21:41 UT: (152637) 1997 NC1 occults TYC 7352-01279-1 (9.8 mag)
2026 Jul 10 ~21:16 UT: (18749) Ayyubguliev occults UCAC4 357-167816 (9.0 mag)
Main-Belt Asteroids
2026 Jul 10 ~21:16 UT: (18749) Ayyubguliev occults UCAC4 357-167816 (9.0 mag)
2026 Jul 10 ~02:46 UT: (4209) Briggs occults UCAC4 619-007737 (14.0 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project
2026 Jul 10 ~02:46 UT: (4209) Briggs occults UCAC4 619-007737 (14.0 mag)
2026 Jul 09 ~23:13 UT: (5329) Decaro occults UCAC4 405-077190 (13.6 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project
2026 Jul 09 ~23:13 UT: (5329) Decaro occults UCAC4 405-077190 (13.6 mag)
2026 Jun 29 ~21:41 UT: (152637) 1997 NC1 occults TYC 7352-01279-1 (9.8 mag)
Near Earth Asteroids - Call for Observations by the ACROSS Team Special Event Upcoming Occultation
2026 Jun 29 ~21:41 UT: (152637) 1997 NC1 occults TYC 7352-01279-1 (9.8 mag)
2026 Jun 30 ~21:07 UT: (10261) Nikdollezhal’ occults UCAC4 279-080818 (8.6 mag)
Main-Belt Asteroids Upcoming Occultation
2026 Jun 30 ~21:07 UT: (10261) Nikdollezhal’ occults UCAC4 279-080818 (8.6 mag)
2026 Jul 01 ~21:08 UT: (3470) Yaronika occults UCAC4 349-137710 (13.8 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project Upcoming Occultation
2026 Jul 01 ~21:08 UT: (3470) Yaronika occults UCAC4 349-137710 (13.8 mag)
2026 Jul 01 ~21:39 UT: (26432) 1999 XZ202 occults J110644.06+174414.1 (5.8 mag)
Main-Belt Asteroids Upcoming Occultation
2026 Jul 01 ~21:39 UT: (26432) 1999 XZ202 occults J110644.06+174414.1 (5.8 mag)
2026 Jun 29 ~01:00 UT: (152637) 1997 NC1 occults TYC 6814-00544-1 (10.2 mag)
Near Earth Asteroids - Call for Observations by the ACROSS Team Past Event Special Event
2026 Jun 29 ~01:00 UT: (152637) 1997 NC1 occults TYC 6814-00544-1 (10.2 mag)
2026 Jun 29 ~00:28 UT: (152637) 1997 NC 1 occults UCAC4 326-088633 (8.2 mag)
Near Earth Asteroids - Call for Observations by the ACROSS Team Past Event Special Event
2026 Jun 29 ~00:28 UT: (152637) 1997 NC 1 occults UCAC4 326-088633 (8.2 mag)
2026 Jun 28 ~21:35 UT: (152637) 1997 NC 1 occults TYC 6810-00722-1 (10.8 mag)
Near Earth Asteroids - Call for Observations by the ACROSS Team Past Event Special Event
2026 Jun 28 ~21:35 UT: (152637) 1997 NC 1 occults TYC 6810-00722-1 (10.8 mag)
2026 Jun 28 ~02:08 UT: (152637) 1997 NC1 occults UCAC4 389-074879 (11.4 mag)
Near Earth Asteroids - Call for Observations by the ACROSS Team Past Event Special Event
2026 Jun 28 ~02:08 UT: (152637) 1997 NC1 occults UCAC4 389-074879 (11.4 mag)
Near Earth Asteroids - Call for Observations by the ACROSS Team Special Event Upcoming Occultation

2026 Jun 29 ~21:41 UT: (152637) 1997 NC1 occults TYC 7352-01279-1 (9.8 mag)

2026-06-28

Aten asteroid and potential hazardous asteroid (PHA)! Very short max. duration of only 0.11 s! Last update: 2026 Jun 28, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2005-152637-233085-645828-T01279-1

Main-Belt Asteroids Upcoming Occultation

2026 Jun 29 ~01:09 UT: (19533) Garrison occults TYC 0603-01046-1 (8.5 mag)

2026-06-14

Bright star! Very short max. duration of only 0.15 s! RUWE 3.5: Path shift possible. Observe outside of the path as well. Last update: 2026 Jun 14, Occult Watcher Cloud:…

Main-Belt Asteroids Upcoming Occultation

2026 Jun 30 ~21:07 UT: (10261) Nikdollezhal’ occults UCAC4 279-080818 (8.6 mag)

2026-06-14

Bright star! Last update: 2026 Jun 14, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2006-10261-219248-645837-U080818

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

2026 Jul 01 ~21:08 UT: (3470) Yaronika occults UCAC4 349-137710 (13.8 mag)

2026-06-27

Supected binary asteroid! Last update: 2026 Jun 27, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2007-3470-261801-646729-U137710 GAIAMOONS: https://gaiamoons.imcce.fr/occ.php?p=111380

Main-Belt Asteroids Upcoming Occultation

2026 Jul 01 ~21:39 UT: (26432) 1999 XZ202 occults J110644.06+174414.1 (5.8 mag)

2026-06-27

Bright star! Annular occultation (apparent star diameter: 2.4 mas, asteroid: 2.2 mas) Short max. duration of only 0.37 s! Last update: 2026 Jun 27, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2007-26432-157426-649106-J4406141

Main-Belt Asteroids

2026 Jul 04 ~01:44 UT: (21945) Kleshchonok occults UCAC4 358-202080 (6.7 mag)

2026-06-27

Bright star! Short max. duration of only 0.40 s! Last update: 2026 Jun 27, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2010-21945-290148-646838-U202080

Main-Belt Asteroids

2026 Jul 07 ~01:20 UT: (38180) 1999 JR123 occults TYC 6274-01131-1 (8.9 mag)

2026-06-27

Bright star! Short max. duration of only 0.40 s! Last update: 2026 Jun 27, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2013-38180-262278-646808-T01131-1

Main-Belt Asteroids

2026 Jul 07 ~03:27 UT: (16784) 1996 YD2 occults HIP 108346 (7.5 mag)

2026-06-27

Bright star! Last update: 2026 Jun 27, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2013-16784-310682-646344-H108346

Near Earth Asteroids - Call for Observations by the ACROSS Team Special Event

2026 Jul 08 ~20:21 UT: (4769) Castalia occults TYC 7302-02215-1 (6.9 mag)

2026-06-27

Apollo asteroid and potential hazardous asteroid (PHA)! Bright star! Short max. duration of only 0.40 s! Last update: 2026 Jun 27, Occult Watcher Cloud: not listed

Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project

2026 Jul 09 ~23:13 UT: (5329) Decaro occults UCAC4 405-077190 (13.6 mag)

2026-06-27

Supected binary asteroid! Faint star! Short amx. duration of only 0.98 s! Last update: 2026 Jun 27, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2015-5329-257866-647434-U077190 GAIAMOONS: https://gaiamoons.imcce.fr/occ.php?p=93979

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IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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