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 Aug 15, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2071-16560-79032-649019-U015079 Prediction of the Lucky Star project (2025 Aug 21): https://lesia.obspm.fr/lucky-star/occ.php?p=155569
Jupiter Trojan! Faint star! Last update: 2026 Aug 15, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2071-2207-82735-649065-U019193 Prediction of the Lucky Star project (2025 Aug 21): https://lesia.obspm.fr/lucky-star/occ.php?p=155088
Binary Jupiter Trojan! Target of NASA’s Lucy mission! Very faint star! Last update: 2026 Aug 02 Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2060-617-77041-650084-U022201 Prediction Lucky Star project (2026 Jan 12) for Menoetius: https://lesia.obspm.fr/lucky-star/occ.php?p=173641…
Binary Jupiter Trojan! Target of NASA’s Lucy mission! Very faint star! Last update: 2026 Aug 02 Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2060-617-77041-650084-U022201 Prediction Lucky Star project (2026 Jan 12) for Patroclus: https://lesia.obspm.fr/lucky-star/occ.php?p=173473…
Jupiter Trojan! Asteroid has a satellite! Very faint star! Last update: 2026 Jul 26, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2057-1867-80790-650235-U026984 Prediction of the Lucky Star project (2025 Aug 21): https://lesia.obspm.fr/lucky-star/occ.php?p=155711
Jupiter Trojan! Bright star! Canary Islands are inside the path and the 1-sigma-limits (see map insert). Last update: 2026 May 12, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1975-5027-166083-650331-H57169 Prediction by the ERC Lucky…
Jupiter Trojan with satellite! Faint star! Faint mag drop of only 0.6 mag! Last update: 2026 Mar 27, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1916-624-168134-647486-U054258 Prediction of the Lucky Star project (2025 Aug…
Jupiter Trojan! Faint star! Faint mag drop of only 0.5 mag! Last update: 2026 Mar 15, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1906-1583-184917-646608-J2262291 Prediction of the Lucky Star project (2025 Aug 21): https://lesia.obspm.fr/lucky-star/occ.php?p=155158
Jupiter Trojan! Last update: 2026 Mar 03, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1898-16560-47564-648550-U004705 Prediction of the Lucky Star project (2025 Aug 21): https://lesia.obspm.fr/lucky-star/occ.php?p=155513
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…