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IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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Upcoming Occultations

2026 Jul 17 ~00:29 UT: (31430) 1999 BX8 occults TYC 6304-01122-1 (8.6 mag) 2026 Jul 14 ~23:17 UT: (3361) Orpheus occults HIP 89851 (4.8 mag) 2026 Jul 14 ~02:52 UT: (8296) Miyama occults HIP 8700 (7.9 mag) 2026 Jul 12 ~22:51 UT: (476) Hedwig occults UCAC4 442-126913 (14.0 mag)
Main-Belt Asteroids Upcoming Occultation

2026 Jul 17 ~00:29 UT: (31430) 1999 BX8 occults TYC 6304-01122-1 (8.6 mag)

2026-07-02
Near Earth Asteroids - Call for Observations by the ACROSS Team Special Event Upcoming Occultation

2026 Jul 14 ~23:17 UT: (3361) Orpheus occults HIP 89851 (4.8 mag)

2026-07-02
Main-Belt Asteroids Upcoming Occultation

2026 Jul 14 ~02:52 UT: (8296) Miyama occults HIP 8700 (7.9 mag)

2026-07-02
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project Upcoming Occultation

2026 Jul 12 ~22:51 UT: (476) Hedwig occults UCAC4 442-126913 (14.0 mag)

2026-07-02
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  • Past Events
2026 Jul 31 ~21:42 UT: (247382) 2001 YP55 occults UCAC4 421-134753 (13.2 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project
2026 Jul 31 ~21:42 UT: (247382) 2001 YP55 occults UCAC4 421-134753 (13.2 mag)
2026 Jul 30 ~02:22 UT: (47162) Chicomendez occults HIP 16737 (6.6 mag)
Main-Belt Asteroids
2026 Jul 30 ~02:22 UT: (47162) Chicomendez occults HIP 16737 (6.6 mag)
2026 Jul 29 ~22:12 UT: (23265) von Wurden occults HIP 72417 (8.5 mag)
Main-Belt Asteroids
2026 Jul 29 ~22:12 UT: (23265) von Wurden occults HIP 72417 (8.5 mag)
2026 Jul 27 ~22:49 UT: (16371) 1981 DQ3 occults UCAC4 383-162947 (12.1 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project
2026 Jul 27 ~22:49 UT: (16371) 1981 DQ3 occults UCAC4 383-162947 (12.1 mag)
2026 Jul 31 ~21:42 UT: (247382) 2001 YP55 occults UCAC4 421-134753 (13.2 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project
2026 Jul 31 ~21:42 UT: (247382) 2001 YP55 occults UCAC4 421-134753 (13.2 mag)
2026 Jul 13 ~20:58 UT: (1194) Aletta occults UCAC4 325-186295 (11.8 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project
2026 Jul 13 ~20:58 UT: (1194) Aletta occults UCAC4 325-186295 (11.8 mag)
2026 Jul 14 ~23:17 UT: (3361) Orpheus occults HIP 89851 (4.8 mag)
Near Earth Asteroids - Call for Observations by the ACROSS Team Special Event Upcoming Occultation
2026 Jul 14 ~23:17 UT: (3361) Orpheus occults HIP 89851 (4.8 mag)
2026 Jul 14 ~02:52 UT: (8296) Miyama occults HIP 8700 (7.9 mag)
Main-Belt Asteroids Upcoming Occultation
2026 Jul 14 ~02:52 UT: (8296) Miyama occults HIP 8700 (7.9 mag)
2026 Jul 11 ~01:29 UT: (11160) Wechsler occults HIP 1943 (8.1 mag)
Main-Belt Asteroids Past Event
2026 Jul 11 ~01:29 UT: (11160) Wechsler occults HIP 1943 (8.1 mag)
2026 Jul 10 ~21:16 UT: (18749) Ayyubguliev occults UCAC4 357-167816 (9.0 mag)
Main-Belt Asteroids Past Event
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 Past Event 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 Past Event Suspected binary asteroids - GaiaMoons project
2026 Jul 09 ~23:13 UT: (5329) Decaro occults UCAC4 405-077190 (13.6 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project Upcoming Occultation

2026 Jul 12 ~22:51 UT: (476) Hedwig occults UCAC4 442-126913 (14.0 mag)

2026-07-02

Binary asteroid! Faint star! Long max. duration of only 20.4 s! Faint mag drop of only 0.26 mag! Large RUWE value of 3.2! Raphaël Lallemand (GAIAMOONS) wrote on PLANOCCULT on…

Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project

2026 Jul 13 ~20:58 UT: (1194) Aletta occults UCAC4 325-186295 (11.8 mag)

2026-07-02

Supected binary asteroid! Raphaël Lallemand (GAIAMOONS) wrote on PLANOCCULT on Jun 26: The main body is 42 km wide, with a satellite between 4 and 40 km wide. The minimum…

Main-Belt Asteroids Upcoming Occultation

2026 Jul 14 ~02:52 UT: (8296) Miyama occults HIP 8700 (7.9 mag)

2026-07-02

Bright star! Short max. duration of only 0.37 s! Last update: 2026 Jul 02, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2020-8296-26716-649081-H8700

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

2026 Jul 14 ~23:17 UT: (3361) Orpheus occults HIP 89851 (4.8 mag)

2026-07-02

Very bright star! Apollo asteroid! Potential hazardous asteroid (PHA)! Annular occultation! (apparent star diameter: 2.6 mas, asteroid: 0.8 mas) Short max. duration of only 0.18 s! Very faint mag drop!…

Main-Belt Asteroids Upcoming Occultation

2026 Jul 17 ~00:29 UT: (31430) 1999 BX8 occults TYC 6304-01122-1 (8.6 mag)

2026-07-02

Bright star! Short max. duration of only 0.25 s! Last update: 2026 Jul 02, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2023-31430-273073-646824-T01122-1

Main-Belt Asteroids

2026 Jul 17 ~20:53 UT: (28719) Sahoolahan occults HIP 74413 (7.0 mag)

2026-07-02

Bright star! Short max. duration of only 0.66 s! Last update: 2026 Jul 02, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2023-28719-215343-647006-H74413

Main-Belt Asteroids

2026 Jul 18 ~22:42 UT: (33529) Henden occults HIP 106146 (8.4 mag)

2026-07-02

Bright star! Short max. duration of only 0.63 s! Last update: 2026 Jul 02, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2024-33529-304293-647549-H106146

Main-Belt Asteroids

2026 Jul 19 ~00:26 UT: (6915) 1992 HH occults TYC 6848-04152-1 (8.4 mag)

2026-07-06

Bright star! Short max. duration of only 0.80 s! Last update: 2026 Jul 06, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2025-6915-259745-646400-T04152-1

Main-Belt Asteroids

2026 Jul 19 ~02:30 UT: (43279) 2000 EY112 occults HIP 104455 (8.1 mag)

2026-07-06

Bright star! Short max. duration of only 0.40 s! Last update: 2026 Jul 06, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2025-43279-299502-646685-H104455

Main-Belt Asteroids

2026 Jul 22 ~03:46 UT: (48946) 1998 QF14 occults HIP 21094 (6.3 mag)

2026-07-06

Bright star! Short max. duration of only 0.18 s! Annular occultation! (apparent star diameter: 1.8 mas, asteroid: 1.2 mas) Path Coordinates of Occultation of HIP 21094 by 48946 1998 QF14…

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IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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