Engineering:List of zero-gravity indicators

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This is a list of documented zero-gravity indicators (also known as free-fall indicators) that have been used on space missions. The list includes indicators that have been publicly documented by space agencies or reported by independent sources. It is not intended to be exhaustive.

Image Mission Year Spacecraft Zero-gravity indicator Source
Vostok 1 1961 Vostok 3KA Small doll [1]
Soyuz 31 1978 Soyuz 7K-T Sandmännchen doll, Matryoshka doll, Mishka toy (mascot for the 1980 Summer Olympics) [2] [3] [4]
Soyuz 36 1980 Soyuz 7K-T Rabbit toy [4]
Richard N. Richards on the flight deck of Columbia during STS-28. Floating next to him is a tiger plush toy. Columbia STS-28 1989 Space Shuttle Truman the Tiger plush (mascot of the University of Missouri athletics team). [5]
Soyuz TM-16 1993 Soyuz TM Monkey toy [6]
Discovery STS-63 1995 Space Shuttle Magellan T. Bear (teddy bear) [7]
Cosmonaut Yury V. Usachev in his living quarters aboard Russia's Mir Space Station with a floating teddy bear toy on a string in the back. Soyuz TM-23 1996 Soyuz TM Paddington Bear toy [8]
Soyuz TM-25 1997 Soyuz TM Hein Blöd (plush from German Käptn Blaubär TV series) [9]
Endeavour STS-88 1998 Space Shuttle Pluto (toy dog) [10]
Discovery STS-124 2008 Space Shuttle Buzz Lightyear toy [11]
Discovery STS-119 2009 Space Shuttle Snowman toy [12]
Endeavour STS-134 2011 Space Shuttle Krtek the Little Mole plush [13] [14] [15]
Soyuz TMA-22 2011 Soyuz TMA-M Red Angry Birds plush [16]
Soyuz TMA-04M 2012 Soyuz TMA-M Smokey Bear plush [17] [18]
Crew of Soyuz TMA-06 in front of their spacecraft, one of them holding up a hippopotamus plush wearing a spacesuit. Soyuz TMA-06M 2012 Soyuz TMA-M Hippopotamus plush [19]
Soyuz TMA-07M 2012 Soyuz TMA-M Klyopa (Clown toy, named after the Egyptian Pharaoh Cleopatra) [20]
Soyuz TMA-12M 2014 Soyuz TMA-M Cheetah plush, Tiger plush (to commemorate International Tiger Day 2014) [21]
Soyuz TMA-13M 2014 Soyuz TMA-M Maus plush, Giraffiti (giraffe plush) [22] [23]
Soyuz TMA-15M 2014 Soyuz TMA-M Olaf plush [24]
Soyuz TMA-16M 2015 Soyuz TMA-M Snowman plush [25]
Soyuz TMA-17M 2015 Soyuz TMA-M R2-D2 plush [26]
Soyuz TMA-20M 2016 Soyuz TMA-M Pink Owl plush [27]
Soyuz MS-01 2016 Soyuz MS Rilakkuma plush [28]
Soyuz MS-02 2016 Soyuz MS Model of the Orel (formerly Federation) spacecraft [29]
Soyuz MS-04 2017 Soyuz MS Star (emblem of the Children's Cancer Hospital section from the MD Anderson Cancer Center), Dog plush, Girl doll, Boy doll [30]
Soyuz MS-05 2017 Soyuz MS Hand-knitted Gnome doll, Bear plush wearing an outfit in the colors of the Flag of the United States [31]
Soyuz MS-07 2017 Soyuz MS Poodle plush [32]
Soyuz MS-08 2018 Soyuz MS Zabivaka plush (mascot for the 2018 FIFA World Cup) [33] [34]
Maus and Elefant plush toys wearing astronaut suits Soyuz MS-09 2018 Soyuz MS Maus astronaut (second flight), Elefant astronaut plush, and Zabivaka plush (second flight, mascot for the 2018 FIFA World Cup) [35] [36]
Soyuz MS-12 2019 Soyuz MS Aurora (plush baby falcon), Dog plush wearing a spacesuit [37] [38]
Soyuz MS-15 2019 Soyuz MS Suhail plush astronaut [39]
Anne McClain with Little Earth SpaceX Demo-1 2019 Crew Dragon Celestial Buddies Earth plush [40]
SpaceX Demo-2 2020 Crew Dragon Tremor (sequined dinosaur plush) [41]
SpaceX Crew-1 2020 Crew Dragon Grogu plush [42]
Oleg Novitskiy holds up a small toy cat while wearing a white filter mask over his face Soyuz MS-18 2021 Soyuz MS Kitten Woof (from the Soviet animated series "A Kitten Named Woof (ru)") [43]
SpaceX Crew-2 2021 Crew Dragon GuinGuin (penguin plush) [44]
Inspiration4 2021 Crew Dragon Jude (plush dog for St. Jude Children’s Research Hospital) [45]
Soyuz MS-19 2021 Soyuz MS Snow Leopard plush, Cheburashka plush, and Galchonok plush (plush bird for charity organization founded by Yulia Peresild) [46]
SpaceX Crew-3 2021 Crew Dragon Pfau (turtle plush) [47]
SpaceX Crew-4 2022 Crew Dragon Zippy (turtle plush) and Etta (monkey plush) [48]
Axiom Mission 1 2022 Crew Dragon Caramel (plush dog) [49]
Soyuz MS-22 2022 Soyuz MS Cheburashka plush (second flight) [50]
Artemis I Snoopy zero gravity indicator Artemis I 2022 Orion Snoopy (NASA) and Shaun the Sheep (ESA) plushes [51] [52]
SpaceX Crew-5 2022 Crew Dragon Albert Einstein plush doll [53]
SpaceX Crew-6 2023 Crew Dragon Suhail (second flight) [54]
Axiom Mission 2 2023 Crew Dragon GiGi (Build-A-Bear astronaut doll) [55]
Axiom Mission 3 2024 Crew Dragon GiGi (second flight) [56]
Polaris Dawn 2024 Crew Dragon Asteroid (plush Shiba Inu dog) [57]
Soyuz MS-26 2024 Soyuz MS Pink Corgi plush [58]
SpaceX Crew-9 2024 Crew Dragon Aurora (plush baby falcon, second flight) [37]
SpaceX Crew-10 2025 Crew Dragon друг (hand-crocheted Origami paper crane plush) [59]
Fram2 2025 Crew Dragon Polar bear plush (with embroidered Emperor penguin on chest) [60]
Axiom Mission 4 2025 Crew Dragon Joy (plush baby swan) [61]
frameless Artemis II 2026 Orion Rise (moon plush) [62]

References

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  4. 4.0 4.1 Committee on Commerce, Science, and Transportation. (1984) (in en). Soviet Space Programs: 1976-80 (With Supplementary Data through 1983). Manned Space Programs and Space Life Sciences. Part 2.. United States. Congress. Senate.. pp. 623, 636. https://files.eric.ed.gov/fulltext/ED257672.pdf. 
  5. "STS-28 Columbia, OV-102, Pilot Richards at forward flight deck pilots station" (in en). 1989-08-13. https://images.nasa.gov/details/s28-006-031. 
  6. "Aleksandr Poleshchuk's Soyuz TM-16 Flown Toy Monkey | RR Auction". https://www.rrauction.com/auctions/lot-detail/344113706073622-aleksandr-poleshchuks-soyuz-tm-16-flown-toy-monkey/. 
  7. "Toy, Stuffed, Teddy Bear (Magellan T. Bear), STS-63 | National Air and Space Museum". https://airandspace.si.edu/collection-objects/toy-stuffed-teddy-bear-magellan-t-bear-sts-63/nasm_A19980134000. 
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  13. Halousek, Milan (2011-04-03). "Into Space with Mole | Česká kosmická kancelář" (in cs). Czech Space Office. http://www.czechspace.cz/cs/into-space-with-mole. 
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  15. "Do kosmu s Krtkem" (in cs). https://www.dokosmuskrtkem.cz/wordpress/?page_id=528. 
  16. "Angry Birds mascot flies to space". Space.com. https://www.space.com/13636-angry-birds-space-launch.html. 
  17. "Smokey Bear along for the ride to space station" (in en). 2012-05-15. https://www.nbcnews.com/id/wbna47435505. 
  18. "Smokey Bear to Celebrate 68th Birthday at Mission Control - NASA" (in en-US). https://www.nasa.gov/news-release/smokey-bear-to-celebrate-68th-birthday-at-mission-control/. 
  19. "Soyuz Spacecraft Launches New US-Russian Crew Toward Space Station" (in en). https://www.space.com/18176-soyuz-rocket-launches-space-station-crew.html. 
  20. "Roman Romanenko holds a toy talisman that his daughter gave him as a zero-G indicator" (in en). 2012-12-07. https://images.nasa.gov/details/jsc2012e241481. 
  21. "Soyuz Commander Alexander Samokutyaev and Flight Engineer Elena Serova up tiger toys" (in en). 2014-09-24. https://images.nasa.gov/details/201409240008HQ. 
  22. "Die Maus fliegt mit Alex ins All! – Alexander Gerst's Horizons Blog" (in de). https://blogs.esa.int/alexander-gerst/de/2014/05/25/deutsch-die-maus-fliegt-mit-alex-ins-all/. 
  23. "Moon Mascot: NASA Artemis II ZGI Design Challenge - NASA" (in en-US). 2025-12-18. https://www.nasa.gov/general/moonmascot/. 
  24. "Frozen's Olaf flies to space". Space.com. https://www.space.com/28292-frozen-olaf-space-launch.html. 
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  26. "R2-D2 flies to space". Space.com. https://www.space.com/30060-r2-d2-star-wars-space-launch.html. 
  27. "There's a cuddly pink owl at the International Space Station and people are excited | indy100 | indy100" (in en). https://www.indy100.com/news/there-s-a-cuddly-pink-owl-at-the-international-space-station-7293616. 
  28. "Japanese astronaut Onishi takes stuffed bear from daughter on space mission" (in en). Mainichi Daily News. 2016-07-08. https://mainichi.jp/english/articles/20160708/p2a/00m/0na/006000c. 
  29. "Russia's next-gen spacecraft 'Federatsiya' making first flight as zero-g toy | collectSPACE". http://www.collectspace.com/news/news-101816a-soyuz-ms02-federation-zerog-indicator.html. 
  30. "Crewmembers Fyodor Yurchikhin and Jack Fischer" (in en). 2017-04-13. https://images.nasa.gov/details/jsc2017e043083. 
  31. "Crewmembers display toys from their children outside their Soyuz MS-05 spacecraft" (in en). 2017-07-17. https://images.nasa.gov/details/jsc2017e096664. 
  32. "Houston, we have a toy cute poodle on the space station" (in en). https://www.cnet.com/science/international-space-station-iss-poodle-zero-g-indicator/. 
  33. "Soyuz MS-08 launches cosmonaut, NASA astronauts to space station | collectSPACE". http://www.collectspace.com/news/news-032118a-soyuz-ms08-launch-station.html. 
  34. "Oleg Artemyev of Roscosmos holds a toy bear" (in en). 2018-03-16. https://images.nasa.gov/details/jsc2018e025588. 
  35. "WDR-Maus und -Elefant fliegen zur ISS" (in de). https://presse.wdr.de/plounge/wdr/programm/2018/04/20180404_maus_im_all_wdr.html. 
  36. "Soyuz MS-09 lifts off with crew (and World Cup soccer 'team') for space station | collectSPACE". http://www.collectspace.com/news/news-060618a-soyuz-ms09-launch-station.html. 
  37. 37.0 37.1 "'Aurora' the baby falcon plush toy takes flight again as SpaceX Crew-9 zero-g indicator" (in en). http://www.collectspace.com/news/news-092824a-spacex-crew-9-zero-g-indicator-aurora-falcon.html. 
  38. "Crewmembers Nick Hague and Alexey Ovchinin hold up toy mascots" (in en). 2018-10-06. https://images.nasa.gov/details/jsc2018e086412. 
  39. "UAE astronaut mascot Suhail flies to space". CollectSpace. http://www.collectspace.com/news/news-030223a-spacex-crew6-suhail-zero-g-indicator.html. 
  40. "A well-traveled beagle". NASA. https://www.nasa.gov/image-article/well-traveled-beagle/. 
  41. "Astronauts fly Albert Einstein doll to demo physicist's 'happiest thought'". CollectSpace. http://www.collectspace.com/news/news-100522a-spacex-crew5-einstein-zero-g-indicator.html. 
  42. "Baby Yoda goes to space on Crew-1". Space.com. https://www.space.com/baby-yoda-spacex-crew-1-zero-g-indicator.html. 
  43. Strickland, Ashley (2021-04-09). "Russian cosmonauts, NASA astronaut successfully launch to the space station" (in en). https://www.cnn.com/2021/04/09/world/nasa-space-station-launch-expedition-65-scn. 
  44. "SpaceX Crew-2 flies penguin zero-g indicator". Space.com. https://www.space.com/spacex-crew-2-penguin-zero-g-indicator.html. 
  45. "Inspiration4 zero-g indicator". Space.com. https://www.space.com/inspiration4-zero-g-indicator.html. 
  46. Kiseleva, Mariia (2021-10-05). "Soyuz MS-19 | Soyuz 2.1a" (in en-US). https://everydayastronaut.com/soyuz-ms-19-soyuz-2-1a-2/. 
  47. "SpaceX Crew-3 zero-g indicator revealed". CollectSpace. https://www.collectspace.com/news/news-111121a-spacex-crew3-zero-g-indicator.html. 
  48. "SpaceX Crew-4 zero-g indicator". Space.com. https://www.space.com/spacex-crew-4-zero-g-indicator.html. 
  49. "Axiom Ax-1 zero-g indicator". CollectSpace. https://www.collectspace.com/news/news-040822a-axiom-ax1-zero-g-indicator.html. 
  50. Evans, Ben (2022-08-23). "Rubio Primed for Integrated Crew Ops, Cristoforetti, Prokopyev to Command Expedition 68a/b - AmericaSpace" (in en-US). https://www.americaspace.com/2022/08/23/rubio-primed-for-integrated-crew-ops-cristoforetti-prokopyev-to-command-expedition-68/. 
  51. "Snoopy flies aboard Artemis I". NASA. https://www.nasa.gov/artemis-1-snoopy-zero-g. 
  52. "A celebration for Shaun the Sheep". ESA. https://www.esa.int/About_Us/Branding_and_Partnerships/A_celebration_for_Shaun_the_Sheep. 
  53. "Astronauts fly Albert Einstein doll". Space.com. https://www.space.com/spacex-crew5-einstein-zero-g-indicator. 
  54. "UAE astronaut mascot Suhail flies again". CollectSpace. http://www.collectspace.com/news/news-030223a-spacex-crew6-suhail-zero-g-indicator.html. 
  55. "GiGi Build-A-Bear flies on Ax-2". Space.com. https://www.space.com/axiom-ax2-zero-g-indicator. 
  56. "GiGi Build-A-Bear flies on Ax-3". Space.com. https://www.space.com/build-a-bear-gigi-axiom-space-ax3-zero-g-indicator. 
  57. "Polaris Dawn zero-g indicator". Space.com. https://www.space.com/polaris-dawn-zero-g-indicator. 
  58. "NASA's oldest active astronaut launches on 'next flight' on Soyuz MS-26". http://www.collectspace.com/news/news-091124a-soyuz-ms-26-launch-space-station.html. 
  59. "SpaceX Crew-10 folds traits, hopes into origami crane zero-g indicator" (in en). http://www.collectspace.com/news/news-031425a-spacex-crew-10-zero-g-indicator-droog-origami-crane.html. 
  60. "Plush polar bear with penguin art floats as Fram2 zero-g indicator in polar orbit" (in en). http://www.collectspace.com/news/news-040125a-fram2-zero-g-indicator-polar-bear-emperor-penguin.html. 
  61. "'Joy,' a plush baby swan, will launch with Axiom Mission-4 crew as zero-g indicator" (in en). http://www.collectspace.com/news/news-060325a-axiom-space-4-ax4-joy-swan-zero-gravity-indicator.html. 
  62. "Artemis II Crew Arrives at Launch Site, Shares Moon Mascot". nasa.gov. https://www.nasa.gov/blogs/missions/2026/03/27/artemis-ii-crew-arrives-at-launch-site-shares-moon-mascot/.