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IOTA/ES – Call for Observations

IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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Upcoming Occultations

2025 Oct 07 ~02:32 UT: P5M08 Pasiphae occults UCAC4 565-039361 (13.4 mag) 2025 Oct 07 ~01:53 UT: (266) Aline occults UCAC4 542-029608 (13.9 mag) 2025 Oct 07 ~00:00 UT: (45106) 1999 XX74 occults HIP 36156 (6.0 mag) 2025 Oct 06 ~21:17 UT: (134822) 2000 GK110 occults HIP 27913 (4.5 mag) 2025 Oct 06 ~00:18 UT: (1481) Tubingia occults UCAC4 587-021057 (12.3 mag)
Planetary Moons Special Event Upcoming Occultation

2025 Oct 07 ~02:32 UT: P5M08 Pasiphae occults UCAC4 565-039361 (13.4 mag)

2025-10-04
Main-Belt Asteroids Observation Campaign for Slow Rotators Upcoming Occultation

2025 Oct 07 ~01:53 UT: (266) Aline occults UCAC4 542-029608 (13.9 mag)

2025-09-30
Main-Belt Asteroids Upcoming Occultation

2025 Oct 07 ~00:00 UT: (45106) 1999 XX74 occults HIP 36156 (6.0 mag)

2025-09-30
Main-Belt Asteroids Upcoming Occultation

2025 Oct 06 ~21:17 UT: (134822) 2000 GK110 occults HIP 27913 (4.5 mag)

2025-09-29
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project Upcoming Occultation

2025 Oct 06 ~00:18 UT: (1481) Tubingia occults UCAC4 587-021057 (12.3 mag)

2025-09-29
  • New Predictions
  • Popular
  • Past Events
2025 Oct 23 ~17:22 UT: (91050) 1998 FU32 occults HIP 9809 (5.3 mag)
Main-Belt Asteroids
2025 Oct 23 ~17:22 UT: (91050) 1998 FU32 occults HIP 9809 (5.3 mag)
2025 Oct 23 ~03:59 UT: (50414) 2000 DB2 occults HIP 23933 (6.7 mag)
Main-Belt Asteroids
2025 Oct 23 ~03:59 UT: (50414) 2000 DB2 occults HIP 23933 (6.7 mag)
2025 Oct 19 ~23:10 UT: (1974) Caupolican occults HIP 1900 (7.4 mag)
Main-Belt Asteroids
2025 Oct 19 ~23:10 UT: (1974) Caupolican occults HIP 1900 (7.4 mag)
2025 Oct 17 ~02:04 UT: (10235) 1998 R37 occults UCAC4 486-000620 (12.6 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project
2025 Oct 17 ~02:04 UT: (10235) 1998 R37 occults UCAC4 486-000620 (12.6 mag)
2025 Oct 23 ~17:22 UT: (91050) 1998 FU32 occults HIP 9809 (5.3 mag)
Main-Belt Asteroids
2025 Oct 23 ~17:22 UT: (91050) 1998 FU32 occults HIP 9809 (5.3 mag)
2025 Oct 06 ~21:17 UT: (134822) 2000 GK110 occults HIP 27913 (4.5 mag)
Main-Belt Asteroids Upcoming Occultation
2025 Oct 06 ~21:17 UT: (134822) 2000 GK110 occults HIP 27913 (4.5 mag)
News
Concerns Predictions from 2025 October 01 Onwards
2025 Oct 07 ~01:53 UT: (266) Aline occults UCAC4 542-029608 (13.9 mag)
Main-Belt Asteroids Observation Campaign for Slow Rotators Upcoming Occultation
2025 Oct 07 ~01:53 UT: (266) Aline occults UCAC4 542-029608 (13.9 mag)
2025 Oct 04 ~04:44 UT: (28894) Ryanchung occults HIP 38848 (5.4 mag)
Main-Belt Asteroids Past Event
2025 Oct 04 ~04:44 UT: (28894) Ryanchung occults HIP 38848 (5.4 mag)
2025 Oct 03 ~23:04 UT: (8405) Asbolus occults UCAC4 655-043695 (15.8 mag)
Past Event Trans-Neptunian Objects, Cubewanos and Centaurs - Predicted by the ERC Lucky Star project
2025 Oct 03 ~23:04 UT: (8405) Asbolus occults UCAC4 655-043695 (15.8 mag)
2025 Oct 03 ~02:49 UT: (68444) 2001 RH142 occults UCAC4 310-001263 (14.4 mag)
Jupiter Trojans - predicted by the ERC Lucky Star project Past Event
2025 Oct 03 ~02:49 UT: (68444) 2001 RH142 occults UCAC4 310-001263 (14.4 mag)
2025 Oct 02 ~23:31 UT: (16) Psyche occults UCAC4 547-014733 (11.0 mag)
Flyby target of a spacecraft Near Earth Asteroids - Call for Observations by the ACROSS Team Past Event
2025 Oct 02 ~23:31 UT: (16) Psyche occults UCAC4 547-014733 (11.0 mag)
Asteroid's Satellites - predicted with data from Miriade (LTE / IMCCE)

2025 Oct 09 ~01:51 UT: (702) Pichi Unem occults UCAC4 637-002866 (13.4 mag)

2025-09-30

Satellite of slow rotating asteroid (702) Alauda! Short max. duration of only 0.31 s! Faint mag drop of only 0.30 mag! Faint star! Last update: 2025 Sep 30, Occult Watcher…

Flyby target of a spacecraft Near Earth Asteroids - Call for Observations by the ACROSS Team

2025 Oct 09 ~02:59 UT: (3200) Phaethon occults UCAC4 667-019258 (12.4 mag)

2025-09-30

Apollo asteroid! Target of the Destiny+ mission by JAXA and DLR! Short max. duration of only 0.29 s! Last update: 2025 Sep 30, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1742-3200-52130-650723-U019258

Flyby target of a spacecraft Planetary Moons Special Event

2025 Oct 14 ~02:50 UT: P5M03 Ganymede occults HIP 37442 (7.5 mag)

2025-09-30

Satellite of Jupiter! Target of ESA’s mission Juice! Bright star! Verf faint mag drop of only 0.1 mag! Large European campaign. To join the Zoom meeting on Saturday, Oct 4,…

Jupiter Trojans - predicted by the ERC Lucky Star project

2025 Oct 14 ~02:26 UT: (4867) Polites occults UCAC4 658-014332 (15.9 mag)

2025-09-30

Jupiter Trojan! Very faint star! Last update: 2025 Sep 30, Occult Watcher Cloud https://cloud.occultwatcher.net/event/1747-4867-34713-650954-U014332 Prediction of the Lucky Star project (2025 Aug 21): https://lesia.obspm.fr/lucky-star/occ.php?p=147959

Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project

2025 Oct 14 ~20:50 UT: (1829) Dawson occults UCAC4 378-166782 (9.0 mag)

2025-09-30

Suspected binary asteroid! Bright star! Short max. duration of only 0.89 s! Last update: 2025 Sep 30, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1747-1829-288515-647089-U166782 GAIAMOONS link: https://lesia.obspm.fr/lucky-star/occ.php?p=147959

Main-Belt Asteroids

2025 Oct 16 ~04:28 UT: (139990) 2001 SS33 occults HIP 41660 (6.8 mag)

2025-10-04

Bright star! Very short max. duration of only 0.24 s! Last update: 2025 Oct 04, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1749-139990-120447-649524-H41660

Planetary Moons

2025 Oct 17 ~01:19 UT: P5M08 Pasiphae occults UCAC4 565-039766 (15.0 mag)

2025-10-04

Satellite of Jupiter! Very faint star! Last update: 2025 Oct 04, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1750-P5M08-107730-649431-U039766

Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project

2025 Oct 17 ~02:04 UT: (10235) 1998 R37 occults UCAC4 486-000620 (12.6 mag)

2025-10-04

Suspected binary asteroid! Last update: 2025 Oct 04, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1750-10235-6407-648451-U000620 GAIAMOONS link: https://gaiamoons.imcce.fr/occ.php?p=77272

Main-Belt Asteroids

2025 Oct 19 ~23:10 UT: (1974) Caupolican occults HIP 1900 (7.4 mag)

2025-10-04

Bright star! Last update: 2025 Oct 04, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1752-1974-5970-647791-H1900

Main-Belt Asteroids

2025 Oct 23 ~03:59 UT: (50414) 2000 DB2 occults HIP 23933 (6.7 mag)

2025-10-04

Bright star! Last update: 2025 Oct 04, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1756-50414-73097-649779-H23933

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IOTA/ES – Call for Observations

IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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