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IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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Upcoming Occultations

2025 Nov 19 ~19:14 UT: (3033) Holbaek occults HIP 109720 (6.7 mag) 2025 Nov 19 ~20:12 UT: (17187) 1999 VM72 occults HIP 24132 (7.9 mag) 2025 Nov 17 ~22:27 UT: (2388) Gaze occults TYC 1856-01170-1 (11.3 mag) 2025 Nov 17 ~02:11 UT: (4867) Polites occults UCAC4 682-011200 (15.2 mag) 2025 Nov 17 ~00:28 UT: (7369) Gavrilin occults TYC 3718-01482-1 (8.6 mag)
Main-Belt Asteroids Upcoming Occultation

2025 Nov 19 ~19:14 UT: (3033) Holbaek occults HIP 109720 (6.7 mag)

2025-11-12
Main-Belt Asteroids Upcoming Occultation

2025 Nov 19 ~20:12 UT: (17187) 1999 VM72 occults HIP 24132 (7.9 mag)

2025-11-12
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project Upcoming Occultation

2025 Nov 17 ~22:27 UT: (2388) Gaze occults TYC 1856-01170-1 (11.3 mag)

2025-10-31
Jupiter Trojans - predicted by the ERC Lucky Star project Upcoming Occultation

2025 Nov 17 ~02:11 UT: (4867) Polites occults UCAC4 682-011200 (15.2 mag)

2025-10-31
Main-Belt Asteroids Upcoming Occultation

2025 Nov 17 ~00:28 UT: (7369) Gavrilin occults TYC 3718-01482-1 (8.6 mag)

2025-10-31
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  • Past Events
2025 Nov 25 ~19:45 UT: (18930) Athreya occults HIP 30346 (8.3 mag)
Main-Belt Asteroids
2025 Nov 25 ~19:45 UT: (18930) Athreya occults HIP 30346 (8.3 mag)
2025 Nov 24 ~21:56 UT: (3206) Wuhan occults UCAC4 574-019758 (11.3 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project
2025 Nov 24 ~21:56 UT: (3206) Wuhan occults UCAC4 574-019758 (11.3 mag)
2025 Nov 24 ~18:17 UT: (23747) Rahaelgupta occults TYC 1265-00499-1 (7.6 mag)
Main-Belt Asteroids
2025 Nov 24 ~18:17 UT: (23747) Rahaelgupta occults TYC 1265-00499-1 (7.6 mag)
2025 Nov 24 ~01:43 UT: (523752) 2014 VU37 occults UCAC4 540-012458 (15.2 mag)
Trans-Neptunian Objects, Cubewanos and Centaurs - Predicted by the ERC Lucky Star project
2025 Nov 24 ~01:43 UT: (523752) 2014 VU37 occults UCAC4 540-012458 (15.2 mag)
2025 Nov 25 ~19:45 UT: (18930) Athreya occults HIP 30346 (8.3 mag)
Main-Belt Asteroids
2025 Nov 25 ~19:45 UT: (18930) Athreya occults HIP 30346 (8.3 mag)
2025 Nov 17 ~00:28 UT: (7369) Gavrilin occults TYC 3718-01482-1 (8.6 mag)
Main-Belt Asteroids Upcoming Occultation
2025 Nov 17 ~00:28 UT: (7369) Gavrilin occults TYC 3718-01482-1 (8.6 mag)
2025 Nov 17 ~02:11 UT: (4867) Polites occults UCAC4 682-011200 (15.2 mag)
Jupiter Trojans - predicted by the ERC Lucky Star project Upcoming Occultation
2025 Nov 17 ~02:11 UT: (4867) Polites occults UCAC4 682-011200 (15.2 mag)
2025 Nov 17 ~22:27 UT: (2388) Gaze occults TYC 1856-01170-1 (11.3 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project Upcoming Occultation
2025 Nov 17 ~22:27 UT: (2388) Gaze occults TYC 1856-01170-1 (11.3 mag)
2025 Nov 14 ~03:15 UT: (196138) 2002 TX253 occults UCAC4 648-017682 (13.1 mag)
Main-Belt Asteroids Past Event Suspected binary asteroids - GaiaMoons project
2025 Nov 14 ~03:15 UT: (196138) 2002 TX253 occults UCAC4 648-017682 (13.1 mag)
2025 Nov 13 ~19:32 UT: (1172) Aneas occults UCAC4 567-008272 (13.9 mag)
Jupiter Trojans - predicted by the ERC Lucky Star project Past Event
2025 Nov 13 ~19:32 UT: (1172) Aneas occults UCAC4 567-008272 (13.9 mag)
2025 Nov 10 ~17:41 UT: (3982) Kastel’ occults TYC 6314-01427-1 (8.7 mag)
Main-Belt Asteroids Past Event
2025 Nov 10 ~17:41 UT: (3982) Kastel’ occults TYC 6314-01427-1 (8.7 mag)
2025 Nov 10 ~05:57 UT: (10306) Pagnol occults UCAC4 416-056539 (7.7 mag)
Main-Belt Asteroids Past Event
2025 Nov 10 ~05:57 UT: (10306) Pagnol occults UCAC4 416-056539 (7.7 mag)
News

Concerns Predictions from 2025 October 01 Onwards

2025-09-29

From 2025 October 1, due to the high number of events during the winter months, this website will only present occultations by asteroids from observation campaigns, by satellites of planets…

Main-Belt Asteroids Upcoming Occultation

2025 Nov 17 ~00:28 UT: (7369) Gavrilin occults TYC 3718-01482-1 (8.6 mag)

2025-10-31

Possible satellite! Bright star! Short max. duration of only 0.62 s! Last update: 2025 Oct 31, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1781-7369-59419-651335-T01482-1

Jupiter Trojans - predicted by the ERC Lucky Star project Upcoming Occultation

2025 Nov 17 ~02:11 UT: (4867) Polites occults UCAC4 682-011200 (15.2 mag)

2025-10-31

Jupiter Trojan! Very faint star! Last update: 2025 Oct 31, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1781-4867-28868-650914-U011200 Prediction of the Lucky Star project (2025 Aug 21): https://lesia.obspm.fr/lucky-star/occ.php?p=147980

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

2025 Nov 17 ~22:27 UT: (2388) Gaze occults TYC 1856-01170-1 (11.3 mag)

2025-10-31

Suspected binary asteroid! Short max. duration of only 0.78 s! Last update: 2025 Oct 31, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1781-2388-77686-649658-T01170-1 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=78891

Main-Belt Asteroids Upcoming Occultation

2025 Nov 19 ~20:12 UT: (17187) 1999 VM72 occults HIP 24132 (7.9 mag)

2025-11-12

Bright star! Short max. duration of only 0.58 s! Last update: 2025 Nov 12, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1783-17187-73628-648940-H24132

Main-Belt Asteroids Upcoming Occultation

2025 Nov 19 ~19:14 UT: (3033) Holbaek occults HIP 109720 (6.7 mag)

2025-11-12

Bright star! Short max. duration of only 0.55 s! Last update: 2025 Nov 12, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1783-3033-314511-647259-H109720

Trans-Neptunian Objects, Cubewanos and Centaurs - Predicted by the ERC Lucky Star project

2025 Nov 19 ~23:52 UT: (78799) Xewioso occults UCAC4 623-036266 (15.5 mag)

2025-11-12

Centaur! Very faint star! 1-sigma error limits cover the northern part of Europe! Last update: 2025 Nov 12, Occult Watcher Cloud https://cloud.occultwatcher.net/event/1783-78799-95341-650172-U036266 Prediction of the Lucky Star project (2025 Aug…

Main-Belt Asteroids

2025 Nov 20 ~00:43 UT: (1473) Ounas occults HIP 27276 (7.4 mag)

2025-11-12

Bright star! Last update: 2025 Nov 12, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1784-1473-82061-648608-H27276

Main-Belt Asteroids

2025 Nov 21 ~19:19 UT: (15078) 1999 CW occults TYC 0061-00617-1 (8.6 mag)

2025-11-12

Bright star! Short max. duration of only 0.73 s! Last update: 2025 Nov 12, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1785-15078-42786-648359-T00617-1

Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project

2025 Nov 22 ~01:05 UT: (73694) 1991 RL15 occults UCAC4 699-012005 (12.3 mag)

2025-11-12

Suspected binary asteroid! Last update: 2025 Nov 12, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1786-73694-24899-651125-U012005 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=64323

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IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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