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How to Submit an Occultation Report?

What’s new

• Observation manual for asteroidal oculltation
  by Hiroshi Akitaya
  2026-02-17
  An observation manual for stellar occultation by asteroids has been released. ▶ Documentation (Manuals)
• Asteroidal occultation predictions for 2026
  by Hiroshi Akitaya
  2026-01-07
  Asteroidal occultation predictions of 2026 are now available: Asteroidal occultation prediction 2026
• 
  IOTA/EA activity presented at the instruentation workshop for Japanese astronomers
  by Hiroshi Akitaya
  2025-11-12
  IOTA/EA activity has been presented by Mr. Yuto Tome (Kyutech, AstroKIT) at the Optical and Near-infrared Astronomical Instrumentation Workshop 2025, held on November 10-11 at Kyoto Sangyo University.
• Presentation Files and Minutes of the FY2025/26 Annual General Meeting
  by Hiroshi Akitaya
  2025-10-24
  Presentation files and minutes of the FY2025/26 Annual General Meeting, held on August 31, 2025, are now available at IOTA/EA FY2025/26 Annual General Meeting – presentation files and mitunes.
• Program of the FY2025/26 Annual General Meeting updated
  by Hiroshi Akitaya
  2025-08-21
  See datailes in IOTA/EA FY2025/26 Annual General Meeting (Latest Program).
• IOTA/EA FY2025/26 Annual General Meeting (2nd circular)
  by Tsutomu Hayamizu
  2025-08-18
  Date & Time, Meeting Program for IOTA/EA FY2025/26 Annual General Meeting on Aug 31 has disclosed.
• Power of Attorney for the Annual General Meeting FY2025/26 available
  by Tsutomu Hayamizu
  2025-08-09
  Please register your participation from the page IOTA/EA FY2025/26 Annual General Meeting on Aug 31

Annoucements

2025/03/03

Asteroidal Occultation Prediction 2025 updated March table.

2025/02/01

Asteroidal Occultation Prediction 2025 updated February table.

2025/01/03

Asteroidal Occultation Prediction 2025 updated January table.

2024/4/29

Campaign

2025/9/19 : 16h52mUT

Asteroidal occultation by (3200)Phaethon

2024/11/16 : 18h56mUT

Asteroidal occultation by (3200)Phaethon

The flyby target body for the DESTINY+ mission (link to HAL site)

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