IOTA/ES - Call for Observations
International Occultation Timing Association / European Section e.V.
Predictions for Occultations by Jupiter Trojans with Data from Gaia EDR3.
The ERC project Lucky Star’s aim is to study the solar system beyond Neptune with stellar occultations. The project is led by Bruno Sicardy in collaboration with groups from Paris, Meudon, Granada and Rio.
Jupiter Trojan! Very faint star! Last update: 2026 Jan 11, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1862-1208-40286-649447-U005638 Prediction of the Lucky Star project (2025 Aug 21): https://lesia.obspm.fr/lucky-star/occ.php?p=158304
Jupiter Trojan! Target of NASA’s Lucy mission! Last update: 2026 Jan 16, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1866-21900-165614-647429-T00557-1 Prediction of the Lucky Star project (2025 Aug 21): https://lesia.obspm.fr/lucky-star/occ.php?p=157035 Prediction by SwRI (2023…
Binary Jupiter Trojan! Target of NASA’s Lucy mission! Very faint star! Faint mag drop of only 0.7 mag! Max. duration: 15 s (Patroclus) and 12 s (Menoetius) J. Desmars (Lucky…
Jupiter Trojan! Faint star! Last update: 2026 Jan 06, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1842-24448-22221-648115-U001919 Prediction of the Lucky Star project (2025 Aug 21): https://lesia.obspm.fr/lucky-star/occ.php?p=149086
Binary Jupiter Trojan! Target of NASA’s Lucy mission! Long max. duration events: 33 s (Patroclus) and 29 s (Menoetius) The map shows the latest prediction by Brain Keeney (SwRI) for…
Jupiter Trojan! Very faint star! Last update: 2025 Dec 04, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1804-4867-26088-650811-U009067 Prediction of the Lucky Star project (2025 Aug 21): https://lesia.obspm.fr/lucky-star/occ.php?p=147991
Jupiter Trojan! Last update: 2025 Dec 04, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1801-56976-28562-648113-U002560 Prediction of the Lucky Star project (2025 Aug 21): https://lesia.obspm.fr/lucky-star/occ.php?p=148068
Jupiter Trojan! Faint star! Last update: 2025 Nov 30, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1797-32615-6179-646877-U000539 Prediction of the Lucky Star project (2025 Aug 21): https://lesia.obspm.fr/lucky-star/occ.php?p=147572
Jupiter Trojan! Faint star! Last update: 2025 Nov 30, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1797-15440-157560-649348-U050012 Prediction of the Lucky Star project (2025 Aug 21): https://lesia.obspm.fr/lucky-star/occ.php?p=147750
Jupiter Trojan! Very faint star! Last update: 2025 Nov 21, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1794-9142-39437-648001-U003635 Prediction of the Lucky Star project (2025 Aug 21): https://lesia.obspm.fr/lucky-star/occ.php?p=148039