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IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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Upcoming Occultations

2025 Oct 23 ~01:00 UT: (145474) 2005 SA278 occults HIP 19373 (10.1 mag) 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) 2025 Oct 17 ~02:04 UT: (10235) 1998 R37 occults UCAC4 486-000620 (12.6 mag) 2025 Oct 17 ~01:19 UT: P5M08 Pasiphae occults UCAC4 565-039766 (15.0 mag)
Trans-Neptunian Objects & Centaurs Upcoming Occultation

2025 Oct 23 ~01:00 UT: (145474) 2005 SA278 occults HIP 19373 (10.1 mag)

2025-10-13
Main-Belt Asteroids Upcoming Occultation

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

2025-10-04
Main-Belt Asteroids Upcoming Occultation

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

2025-10-04
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project Upcoming Occultation

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

2025-10-04
Planetary Moons Upcoming Occultation

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

2025-10-04
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  • Past Events
2025 Oct 23 ~01:00 UT: (145474) 2005 SA278 occults HIP 19373 (10.1 mag)
Trans-Neptunian Objects & Centaurs Upcoming Occultation
2025 Oct 23 ~01:00 UT: (145474) 2005 SA278 occults HIP 19373 (10.1 mag)
2025 Oct 31 ~23:26 UT: (616) Elly occults TYC 2490-02077-1 (11.8 mag)
Main-Belt Asteroids Suspected binary asteroids - GaiaMoons project
2025 Oct 31 ~23:26 UT: (616) Elly occults TYC 2490-02077-1 (11.8 mag)
2025 Oct 28 ~00:58 UT: (4505) Okamura occults HIP 35796 (6.4 mag)
Main-Belt Asteroids
2025 Oct 28 ~00:58 UT: (4505) Okamura occults HIP 35796 (6.4 mag)
2025 Oct 28 ~01:44 UT: (102) Miriam occults UCAC4 526-046100 (15.4 mag)
Main-Belt Asteroids Observation Campaign for Slow Rotators
2025 Oct 28 ~01:44 UT: (102) Miriam occults UCAC4 526-046100 (15.4 mag)
2025 Oct 23 ~01:00 UT: (145474) 2005 SA278 occults HIP 19373 (10.1 mag)
Trans-Neptunian Objects & Centaurs Upcoming Occultation
2025 Oct 23 ~01:00 UT: (145474) 2005 SA278 occults HIP 19373 (10.1 mag)
2025 Oct 17 ~01:19 UT: P5M08 Pasiphae occults UCAC4 565-039766 (15.0 mag)
Planetary Moons Upcoming Occultation
2025 Oct 17 ~01:19 UT: P5M08 Pasiphae occults UCAC4 565-039766 (15.0 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 Upcoming Occultation
2025 Oct 17 ~02:04 UT: (10235) 1998 R37 occults UCAC4 486-000620 (12.6 mag)
2025 Oct 19 ~23:10 UT: (1974) Caupolican occults HIP 1900 (7.4 mag)
Main-Belt Asteroids Upcoming Occultation
2025 Oct 19 ~23:10 UT: (1974) Caupolican occults HIP 1900 (7.4 mag)
2025 Oct 16 ~04:28 UT: (139990) 2001 SS33 occults HIP 41660 (6.8 mag)
Main-Belt Asteroids Past Event
2025 Oct 16 ~04:28 UT: (139990) 2001 SS33 occults HIP 41660 (6.8 mag)
2025 Oct 14 ~20:50 UT: (1829) Dawson occults UCAC4 378-166782 (9.0 mag)
Main-Belt Asteroids Past Event Suspected binary asteroids - GaiaMoons project
2025 Oct 14 ~20:50 UT: (1829) Dawson occults UCAC4 378-166782 (9.0 mag)
2025 Oct 14 ~02:50 UT: P5M03 Ganymede occults HIP 37442 (7.5 mag)
Flyby target of a spacecraft Past Event Planetary Moons Special Event
2025 Oct 14 ~02:50 UT: P5M03 Ganymede occults HIP 37442 (7.5 mag)
2025 Oct 14 ~02:26 UT: (4867) Polites occults UCAC4 658-014332 (15.9 mag)
Jupiter Trojans - predicted by the ERC Lucky Star project Past Event
2025 Oct 14 ~02:26 UT: (4867) Polites occults UCAC4 658-014332 (15.9 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…

Planetary Moons Upcoming Occultation

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 Upcoming Occultation

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 Upcoming Occultation

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

Trans-Neptunian Objects & Centaurs Upcoming Occultation

2025 Oct 23 ~01:00 UT: (145474) 2005 SA278 occults HIP 19373 (10.1 mag)

2025-10-13

Centaur! 1-sigma error limits cover large parts of Europe! Last update: 2025 Oct 13, Occult Watcher Cloud https://cloud.occultwatcher.net/event/1756-145474-58996-648318-H19373

Main-Belt Asteroids Upcoming Occultation

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

Main-Belt Asteroids

2025 Oct 23 ~17:22 UT: (91050) 1998 FU32 occults HIP 9809 (5.3 mag)

2025-10-04

Bright star! Short max. duration of onyl 0.68 s! Last update: 2025 Oct 04, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1756-91050-30064-648526-H9809

Jupiter Trojans - predicted by the ERC Lucky Star project Suspected binary asteroids - GaiaMoons project

2025 Oct 24 ~02:32 UT: (1867) Deiphobus occults UCAC4 674-017406 (11.5 mag)

2025-10-11

Jupiter Trojan! Suspected binary asteroid! Last update: 2025 Oct 11, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1757-1867-45818-650814-U017406 Prediction of the Lucky Star project (2025 Sep 10): https://lesia.obspm.fr/lucky-star/occ.php?p=172784

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

2025 Oct 24 ~22:41 UT: (3200) Phaethon occults UCAC4 663-014308 (13.4 mag)

2025-10-11

Apollo asteroid! Faint star! Target of the Destiny+ mission by JAXA and DLR! Short max. duration of only 0.22 s! Last update: 2025 Oct 11, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1757-3200-43134-650680-U014308

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

2025 Oct 25 ~18:41 UT: (530930) 2011 WG157 occults UCAC4 675-030022 (14.2 mag)

2025-10-11

Neptune Trojan! Faint star! 1-sigma error limits cover whole Europe! Last update: 2025 Oct 11, Occult Watcher Cloud https://cloud.occultwatcher.net/event/1758-530930-65967-650825-U030022 Prediction of the Lucky Star project (2025 Aug 21): https://lesia.obspm.fr/lucky-star/occ.php?p=142604

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IOTA/ES - Call for Observations

International Occultation Timing Association / European Section e.V.

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