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LAUNCH | 9 FEBRUARY 2025
KOV.7/8 LUNAR ARC MISSION
ISX targets Monday, February 24th, for an Eagle launch of KOV.7 and KOV.8 to low-Droo orbit. The Eagle will also carry the Lunar Arc satellite to trans-lunar ejection orbit from Space Launch Complex 2 (SLC-2) at Freidonia Interplanetary Spaceport. Liftoff is targeted for 3:00 p.m. UTC, with opportunities available until 3:30 p.m. UTC.
A live webcast of this mission will begin on YouTube @ISX_Space about five minutes before liftoff. Watch live.
COUNTDOWN
00:35:00 | ISX Launch Director verifies go for propellant load
00:30:00 | LCH4 (liquid methane) loading begins
00:30:00 | 1st stage LOX (liquid oxygen) loading begins
00:10:00 | 2nd stage LOX loading begins
00:07:00 | Eagle begins engine chill before launch
00:01:00 | Command flight computer to begin final pre-launch checks
00:01:00 | Propellent tank pressurization to flight pressure begins
00:00:40 | ISX Launch Director verifies go for launch
00:00:03 | Engine controller commands engine ignition sequence to start
00:00:00 | Eagle liftoff
LAUNCH AND DEPLOYMENT
All times are approximate
00:00:27 | Max Q (Moment of peak mechanical stress on the rocket)
00:00:54 | 1st stage main engine cutoff (MECO)
00:00:57 | 1st and 2nd stage separates
00:00:59 | 2nd stage engine starts (SES-1)
00:01:03 | Fairing deployment
00:01:44 | 2nd stage engine cutoff (SECO-1)
00:03:34 | 2nd stage engine starts (SES-2)
00:04:56 | 2nd stage engine cutoff (SECO-2)
00:06:10 | KOV.7/8 deploy
00:10:00 | 3rd stage engine starts (SES-3)
00:13:00 | 3rd stage engine cutoff (SECO-3)
00:015:00 | Lunar Arc deploy
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