Full Breakdown
Starship Flight 13: Sub-orbital Test Targets Engine Relight, Booster Control and First Operational Starlink V3 Satellites
7/17/2026, 12:05:43 AM
Core Event – Flight 13 Launch Details
On Thursday, 16 July 2026, SpaceX will attempt the 13th full-scale test of its Starship system from Pad 2 at Starbase, Cameron County, Texas. The launch window opens at 5:45 p.m. CDT (6:45 p.m. EDT / 2245 UTC) and lasts 90 minutes. The vehicle comprises Starship Version 3 (Ship 40) and the Super Heavy V3 booster (Booster 20), both flying for the first time. Mission objectives include a successful launch, stage separation, a boost-back burn and landing burn for the booster in the Gulf of Mexico, an in-space Raptor-engine relight, and the deployment of 20 production Starlink V3 satellites that will re-enter and burn up about 20 minutes after release.
Background & Context – Lessons from Flight 12 and the IPO
Flight 12 (22 May 2026) was the inaugural flight of the V3 configuration. It achieved the planned sub-orbital trajectory but suffered a 90° off-directional flip, a boost-back burn that lost five of 33 engines, and an engine-out on the upper stage, preventing the planned in-space relight. The FAA mishap investigation was closed after SpaceX’s internal review, clearing the vehicle for Flight 13. The test also marks SpaceX’s first Starship launch since its June 2026 IPO, putting the company’s newly public investors under close scrutiny.
Timeline – Key Milestones for Flight 13
- T-0 – 5:45 p.m. CDT: Liftoff window opens.
- T+0:00: Booster ignition, all 33 Raptor 3 engines fire.
- T+0:58: Max-Q reached.
- T+2:18: Super Heavy main-engine cutoff.
- T+2:21: Stage separation and Ship Raptor ignition.
- T+2:25 – 6:53: Boost-back burn sequence and controlled splashdown of the booster in the Gulf.
- T+16:40: Commencement of satellite-deployment sequence.
- T+27:29: Completion of payload deployment.
- T+38:58: Ship engine relight demonstration.
- T+~1 hr 5 min: Ship splashdown in the Indian Ocean; satellites re-enter ~20 min after release.
Data & Statistics – Hardware and Payload Numbers
- 33 Raptor 3 engines on Super Heavy, 6 Raptor 3 engines on Ship (3 sea-level, 3 vacuum).
- 20 Starlink V3 satellites, each ? 4 400 lb (2 000 kg).
- Six satellites carry cameras to image the heat-shield tiles.
- 90-minute launch window, ? 1 hour 5 minutes total flight duration.
- Super Heavy booster and Ship will not be recovered to the launch pad; both aim for controlled ocean splashdowns.
Why It Matters – Impact on Starlink, NASA Artemis and Investors
Successful demonstration of engine relight and booster control is a prerequisite for the orbital missions NASA expects for the Artemis lunar-landing program (Starship to serve as a Human Landing System). The V3 Starlink satellites are the first that cannot be launched on Falcon 9; their deployment validates the payload capacity needed for a future 100 000-satellite constellation. For investors, a clean Flight 13 would bolster confidence after the IPO and support SpaceX’s $1.8 billion Space Coast expansion and its broader commercial-space strategy.
Official Statements & Responses – SpaceX, NASA and Analysts
SpaceX emphasized that hardware and software modifications—including a more robust engine-startup sequence and upgraded boost-back-burn alarms—have been implemented to address the issues seen on Flight 12. NASA’s press release highlighted that software testing between Starship and Orion will verify docking precision for Artemis III, while also noting the importance of the heat-shield data to certify crewed flights. Analysts such as Raymond James’ Brian Gesuale described Flight 13 as a “meaningful step beyond Flight 12” if the major engines remain healthy and the relight succeeds.
Criticism & Opposition – Air-space and Cadence Concerns
Industry observers have raised concerns that SpaceX’s target of up to 120 flights per year from Florida could strain commercial airspace and generate sonic-boom impacts similar to those experienced by the Space Shuttle. Critics also point to the risk of repeated booster failures before the vehicle achieves full reusability.
Conflicting Reports & Gaps – Booster Landing Uncertainty
Some sources state the booster will achieve a controlled splashdown in the Gulf of Mexico, while others note that the previous flight’s failure leaves the outcome uncertain and that the booster could again experience a hard splashdown. No definitive post-flight data are available at the time of writing.
Verbatim Quotes
- “As part of this initial test, Starship is planned to deploy 20 satellites which will extend solar arrays and antennas and will attempt to connect with the larger Starlink constellation via high-capacity lasers,” — SpaceX
- “Multiple tiles will be attached to the metallic side of Starship’s aft flaps along with modified tiles and attachment mechanisms in the heat shield covering the aft skirt to gather flight data on different attachment options,” — SpaceX
- “the startup sequence has been modified to be more robust to timing variability and more reliably flip in the desired direction, which is done to increase overall performance.” — SpaceX
- “Software testing between spacecrafts will help demonstrate that the commercial human landing system prototypes and Orion can meet at a precise time and location in space,” — NASA
- “We believe that if SpaceX can keep all major engines healthy, execute the planned relight and landing sequence, and bring back stronger heat-shield and control-surface data, Flight 13 would represent a meaningful step beyond Flight 12,” — Raymond James analyst Brian Gesuale
What’s Next – Future Milestones
SpaceX plans an orbital Starship flight later in 2026, followed by in-space propellant-transfer tests and a Starship-Orion docking demonstration for Artemis III (mid-to-late 2027). Successful completion of Flight 13 is expected to keep the company on track for those upcoming milestones.
