Spaceport Kii

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Spaceport Kii

Aerial photo of Spaceport Kii under construction (5 October 5 2019).
Location	Kushimoto, Wakayama Prefecture, Japan
Coordinates	33°32′39″N 135°53′22″E / 33.5443°N 135.8895°E / 33.5443; 135.8895
Time zone	UTC+9 (JST)
Operator	Space One
Total launches	2
Launch pad(s)	1
Launch history Status Active Launches 2 First launch 13 March 2024[1] Last launch 18 December 2024 Associated rockets KAIROS

Spaceport Kii (Japanese: スペースポート紀伊, sometimes stylized as Space Port Kii) is a commercial spaceport located in Kushimoto, Wakayama Prefecture in Japan. Japan's first private spaceport, it is operated by Space One, who are using it to launch their solid-fuel rocket KAIROS. As of 17 December 2024, two launch attempts have been made on the site, on 13 March and 17 December respectively, which both ended up being a failure.^[1][2][3]

Spaceport Kii is located near the southernmost tip of Honshu and is only a two-minute (1.9 kilometer) drive from Kii-Uragami Station in Nachikatsuura.

The launch site was funded by several Japanese corporations, including Canon Inc., Shimizu Corporation (who also constructed the site),^[4] and IHI Corporation.^[5] Ground broke on 19 November 2019.^[4]

The first launch attempt of the KAIROS rocket was scheduled on 8 March 2024,^[6] however it was delayed to the 13th due to a ship in too close of proximity.^[7] It launched on the 13th, but disintegrated just seconds later.^[1]

The second launch of KAIROS was initially scheduled for 14 December 24, but was ultimately scrubbed twice to 18 Dec due to bad weather. The 2nd launch had a successful liftoff, but ultimately suffered a loss of control nearing the end of the first-stage burn and was terminated.

Space One has stated that it plans to have around 20 launches of KAIROS a year.^[4][2]

• Space One official website

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