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This is the 24th flight of the Orbital ATK's uncrewed resupply spacecraft Cygnus and its 23rd flight to the International Space Station under the Commercial Resupply Services contract with NASA.
Falcon 9 booster debuting on Starlink Group 12-10.
Launch heading 45° · NE from Cygnus NG-24.
Pre-launch TLEs from Dillon's Space Page. Estimated before flight — the real orbit is confirmed post-launch.
Limiting rule: No flight through cumulus cloud with top at or above the freezing level.
max cloud-top 6206 m above freezing 4763 m (46% cover in 10 nmi) · no GLM flashes within 25 nmi / 30 min, likely cirrus / stratiform ice rather than cumulus · max-top 6206 m, mean 3999 m, 46% cover, freezing 4763 m