Skip to content

ARCHIVE // DAY OF YEAR

December 18 in spaceflight

26 launches flew on December 18, the earliest of them in 1958, and 25 of them succeeded. Wikipedia lists 5 spaceflight and astronomy events on December 18. Pick another date to see what happened on it.

DATE

Launches

ON RECORD

26MISSIONS

25 of them succeeded. The earliest was in 1958 and the latest in 2025.

Recorded events

IN THE RECORD

5ENTRIES

Spaceflight and astronomy entries from Wikipedia for this date, oldest first, starting in 1958.

Pictures from this date

NONE

0IMAGES

There's no Astronomy Picture of the Day we can show for this date.

What happened on December 18

  1. 1958

    The United States launched SCORE (rocket pictured), the world's first communications satellite.

    SCORE (satellite) ↗
  2. 1966

    Epimetheus, one of the moons of Saturn, was discovered, but was mistaken for Janus; it took twelve years to determine that they are two distinct objects sharing the same orbit.

    Epimetheus (moon) ↗
  3. 1966

    Saturn's moon Epimetheus is discovered by astronomer Richard Walker.

    Saturn ↗
  4. 1973

    Soviet Soyuz Programme: Soyuz 13, crewed by cosmonauts Valentin Lebedev and Pyotr Klimuk, is launched from Baikonur in the Soviet Union.

    Soyuz programme ↗
  5. 1999

    NASA launches into orbit the Terra platform carrying five Earth Observation instruments, including ASTER, CERES, MISR, MODIS and MOPITT.

    NASA ↗

Launches on December 18Archive read 2026-11-05. Anything after that isn't listed here.

26 launches

ONLINE
  1. 2025Electron | Don't Be Such A Square (STP-S30)RLSUCCESS
  2. 2024KAIROS | Flight 2Space OneFAILURE
  3. 2021Falcon 9 Block 5 | Starlink Group 4-4SpXSUCCESS
  4. 2020Soyuz 2.1b/Fregat-M | OneWeb 4ASASUCCESS
  5. 2019Soyuz STB/Fregat | CSG-1, CHEOPS, & othersASASUCCESS
  6. 2016Atlas V 431 | Echostar 19 (Jupiter-2)ULASUCCESS
  7. 2014Soyuz STB/Fregat | O3b FM9-FM12ASASUCCESS
  8. 2014LVM-3 | CARE (Demo Flight)ISROSUCCESS
  9. 2012Long March 2D | Göktürk-2CASCSUCCESS
  10. 2009Ariane 5 GS | Helios 2BASASUCCESS
  11. 2006H-IIA 204 | Kiku-8JAXASUCCESS
  12. 2004Ariane 5 G+ | Helios 2A, Essaim 1, 2, 3, 4, PARASOL, Nanosat 01ASASUCCESS
  13. 2003Atlas | UHF F/O F11LMTSUCCESS
  14. 1999Atlas IIAS | TerraLMTSUCCESS
  15. 1996Atlas IIA | INMARSAT III F-3LMTSUCCESS
  16. 1995Soyuz U | Progress M-30RFSASUCCESS
  17. 1993Ariane 44L | DirecTV 1 & Thaicom 1ASASUCCESS
  18. 1992Delta II | GPS IIA-8USAFSUCCESS
  19. 1991Tsiklon-3 | AUOS-Z-AP-IK 1CCCPSUCCESS
  20. 1986Tsiklon-3 | Ionozond-ECCCPSUCCESS
  21. 1974Kosmos-3M | Tselina-O 25CCCPSUCCESS
  22. 1973Soyuz | Soyuz 13CCCPSUCCESS
  23. 1970Vostok 8A92M | Tselina-D 1CCCPSUCCESS
  24. 1970Kosmos 11K63 | DS-P1-Yu 38CCCPSUCCESS
  25. 1963Atlas Agena D | KH-7 4USAFSUCCESS
  26. 1958Atlas B | SCOREUSASUCCESS

FIELD KIT / LIBRARY

SPONSORED

Astronomy and spaceflight books for a general reader. No textbooks.

As an Amazon Associate I earn from qualifying purchases. Buying through these links doesn't cost you anything extra.

  • LISTING

    Cosmos, by Carl Sagan

    Sagan's tour of the universe and how we came to understand it. It keeps the science in.

    VIEW
  • LISTING

    Pale Blue Dot, by Carl Sagan

    Sagan's case for people leaving Earth one day, and an honest look at how hard that would be.

    VIEW
  • LISTING

    Project Hail Mary, by Andy Weir

    A science-fiction novel from the author of The Martian, built around solving one engineering problem after another.

    VIEW

BROWSE opens an Amazon search. It isn't a pick of one product.

LINKS AMAZON.COM

Sources and licences

Event text and thumbnails come from Wikipedia and are used under CC BY-SA 4.0. Images come only from Wikimedia Commons, which doesn't accept non-free content. Each thumbnail links to its file page, which lists its licence and author.

Launch records are from The Space Devs’ Launch Library 2. Pictures are NASA’s Astronomy Picture of the Day. Many of them belong to the photographer or a partner agency, so we only show the ones credited to NASA alone.

Every day of the year