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AstronomyTentative

Comet 109P/Swift–Tuttle perihelion

expected 2126

expected 2126

Worldwide

0hype

Falcon 9 Block 5: Vast-PAM-1 (Vast ISS Mission 1)

expected Q3 2027

expected Q3 2027

United States of America

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Page 4 of 6

Falcon 9 Block 5: COSI (Compton Spectrometer and Imager)

expected August 2027

expected August 2027

United States of America

Lucy Trojan Asteroid (3548) Eurybates & Queta Flyby

Aug 12, 2027

in 11 months

Worldwide

Lucy Trojan Asteroid (15094) Polymele Flyby

Sep 15, 2027

in 12 months

Worldwide

Asteroid 2024 TW17 close approach

Nov 13, 2027

in 1 year

Worldwide

Falcon 9 Block 5: JPSS 4 (Joint Polar Satellite System spacecraft No. 4)

expected December 2027

expected December 2027

United States of America

AstronomyTentative

Comet 67P/Churyumov–Gerasimenko perihelion

expected 2028

expected 2028

Worldwide

Terran R: Mars Orbiter

expected 2028

expected 2028

United States of America

Lucy Trojan Asteroid (11351) Leucus Flyby

Apr 18, 2028

in 2 years

Worldwide

Falcon 9 Block 5: NEO Surveyor

expected June 2028

expected June 2028

United States of America

Falcon Heavy: Dragonfly

Jul 5, 2028

in 2 years

United States of America