TECHNICAL REPORT // ID: ART-1-ANALYSIS-2022

Artemis 1: Technical SLS Audit and Mission Results Analysis

Validation of the SLS Block 1 architecture and the Orion capsule. A 25-day stress test focused on certifying the AVCOAT heat shield and lunar orbit injection.

As an inaugural flight, the mission validated the propulsive dynamics of the RS-25 engines and precise insertion into DRO (Distant Retrograde Orbit). The definitive technical milestone was the atmospheric reentry at Mach 32, breaking records for distance and thermal resistance for human-rated spacecraft.

01 // Launch Vehicle: NASA's SLS Rocket

The SLS Block 1 demonstrated technical hegemony by generating 39.1 MN of peak thrust at liftoff, surpassing the Saturn V. This raw power precisely injected the Orion capsule into its Trans-Lunar Injection (TLI) trajectory.

Artemis 1 Launch: SLS rocket lifting off from Pad 39B — Figure 1: Nominal ignition at Pad 39B. The system reached Max Q at 90 seconds into the flight.

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Core Stage Engines 4x RS-25D (Heritage)

Total Thrust 39.1 MN

TLI Payload 27.0 t (Metric)

Upper Stage ICPS (1x RL10B-2)

Following ascent, the ICPS stage executed the TLI maneuver. The adapter deployed 10 Artemis 1 CubeSats designed to map lunar hydrogen and study radiation outside the Van Allen belts.

02 // Orion Spacecraft Performance: Records and Objectives

The spacecraft set a new distance record for human-rated ships, reaching 432,210 km from Earth in a Distant Retrograde Orbit (DRO).

Orion spacecraft selfie with the Moon in the background during Artemis 1 — Figure 2: Image captured from Orion illustrating stability in lunar DRO orbit.

Biological Analogs: Mannequins Moonikin Campos, Helga, and Zohar recorded critical radiation data.
Service Module (ESM): Manufactured by ESA/Airbus, providing a constant 11.2 kW of power.

AVCOAT Heat Shield Anomaly

Post-flight analysis revealed charring liberation: fragments of the Avcoat material detached due to pressure buildup. This is the critical systems engineering point currently being redesigned for crewed missions.

03 // Reentry Analysis and Splashdown

Artemis 1 successfully executed a Skip Reentry. The capsule bounced off the atmosphere to dissipate heat before final descent, significantly reducing G-forces for future crew.

Orion heat shield inspection after Artemis 1 — Figure 3: Post-recovery inspection of the 5-meter heat shield after exposure to Mach 32 reentry velocities.

Reentry Milestone	Technical Metric
Entry Velocity	40,000 km/h (Mach 32)
Peak Temperature	2,760°C (5,000°F)
Landing Site	Pacific Ocean (Baja California)

Analyst Conclusion: Technical Success vs. Sustainability

From a systems engineering perspective, Artemis 1 was an absolute triumph. Validating that the SLS has the power for precise TLI and that Orion survives Mach 32 clears the path. However, the SLS remains a 100% expendable vector with a cost exceeding $4.1 Billion per mission.

The dependency on SpaceX for landing and the required redesign following the Avcoat anomaly define the technical roadmap toward 2028.

— BSX.ES Analysis.