launched from Japan

Akatsuki

Partial
MAY 20201021:58:22 UTC

Waseda-SAT2 never contacted ground, Hayato affected by communications problems, contact lost with Shin'en on 21 May, unclear if data has been received since. DCAM spacecraft deployed from IKAROS and used to observe deployment of the solar sail. Akatsuki malfunctioned during Cytherocentric orbit insertion, and failed to enter orbit. It managed to orbit around Venus five years later.

launched from LA-Y / 1 Tanegashima

aboard H2A 202 into Heliocentric

Payloads · 8

  • 01

    IKAROS

    Solar sail

  • 02

    Waseda-SAT2

    Earth observation

  • 03

    Akatsuki (Planet-C)

    Venus orbiter

  • 04

    Hayato (K-Sat)

    Earth observation

  • 05

    Negai''

    Technology demonstration

  • 06

    Shin'en (UNITEC-1)

    Technology demonstration

  • 07

    DCAM-1

    Technology demonstration

  • 08

    DCAM-2

    Technology demonstration

last updated May 3, 2026