Space runs on announced dates. We keep the receipts: every dated commitment we can source, with who made it, when, the exact words, and whether it came due and happened. Each ledger is checked against its sources and downloadable under CC BY 4.0.
Every dated Starship promise we could source, from uncrewed Mars ships in the 2026 window to orbit, ship catches and propellant transfer: who said it, when, and whether it came due.
13 promises · 0 met · 1 missed · 4 moved or dropped · 7 open · verified Sep 26, 2026
Haven-1, Axiom, Starlab and Orbital Reef against the ISS deorbit: every dated launch promise over time, NASA's procurement dates and the ISS end-of-life commitments, each sourced.
33 promises · 2 met · 1 missed · 12 moved or dropped · 18 open · verified Sep 26, 2026
Amazon Leo, Starlink, AST SpaceMobile, Telesat Lightspeed and China's Qianfan against their FCC deployment milestones and their own stated targets, with dated satellite counts.
25 promises · 1 met · 4 missed · 5 moved or dropped · 14 open · verified Sep 26, 2026
Dated promises by the US and Chinese programmes, from SLS and Orion to Chang'e, with each programme's stretch factor.
15 promises · evidence as of Sep 24, 2026
Launch dates are tracked separately, move by move, in the Launch Slip Explorer and the on-time record.
Week in Space Data, every Friday.