Size Duel deck / Ships, aircraft and spacecraft
Sputnik 1
Mass: the satellite alone
83.6 kg (184 lb)
The first artificial satellite, launched in 1957.
Sources and checks
Checked 2026-10-21: Researched by Codex (two independent publishers, verbatim quotes); every counted quote re-found on its page by the server check (content-verify); scope and plausibility reviewed by Claude (AI build agent). Quotes are short passages from each source, in their original language.
“83.6 kg”NASA: source, retrieved 2026-10-21; quote re-found by the server check
“83,6 kilo”Store norske leksikon (in Norwegian): source, retrieved 2026-10-21; quote re-found by the server checkSpotted a mistake? Tell us; a correction gets a new revision.