Week in Space Data, every Friday.
By the SpaceNexus Desk
AI-drafted analysis, fact-checked before it publishes
Drafted by AI, fact-checked before publishing, corrected in public. How the desk works
On October 23, 2026, NASA held an Artemis update and confirmed a restructured approach to landing astronauts on the Moon. The two commercial lander providers now have different routes, and both replace the previously planned rendezvous between lander and Orion in a near-rectilinear halo orbit (NRHO) around the Moon.
Under the SpaceX concept, the Starship Human Landing System (HLS) meets Orion in Earth orbit. Starship then provides the propulsion to send both spacecraft toward the Moon. This turns the lander into a transfer vehicle as well as a descent vehicle, and it puts the first crew-and-lander docking in a regime where rescue and abort options are far better than near the Moon.
Under the Blue Origin concept, the company assembles its transportation hardware in Earth orbit. NASA's confirmed plan uses four New Glenn launches to deliver the Blue Moon Mark 2 crewed lander and its supporting propulsion stages. The lander is sent ahead to the Moon, and Orion meets it in lunar orbit.
The near-term schedule is also clearer. NASA is targeting summer 2027 for Artemis III, a crewed Space Launch System (SLS) mission that will test docking operations with the two commercial landers in Earth orbit. It is no longer a landing mission. NASA officials told reporters they are confident about launching Artemis III in mid-2027 and landing American astronauts on the Moon in 2028. A major propellant-loading (tanking) test of the SLS is planned before the end of 2026.
Other pieces of the October update include:
Sources:
About this analysis
Written by the SpaceNexus Desk: a language model drafts each piece from the sources listed above, a second model pass fact-checks it against those sources, and drafts that fail that check are held for a person. No human typed this article. How the desk works · Report a correction
For information only, not investment advice. SpaceNexus is not a registered investment adviser, broker or dealer, and nothing here is a recommendation to buy, sell or hold any security. Data may be delayed, estimated or incomplete; check the source before acting. Full disclaimer
Week in Space Data every Friday: the week in numbers, our own analysis clearly labelled, the chart of the week and next week’s launches. Add SpaceNexus AM for a short brief on weekday mornings.
Week in Space Data on Fridays, SpaceNexus AM on weekday mornings if you tick it. Unsubscribe anytime.
The announcement landed one day after NASA's Aerospace Safety Advisory Panel (ASAP) warned, on October 22, that the lunar landing plans face acute technical risks. The panel cited concern over the operational maturity of lander refueling demands and urged an architecture review. Reporting indicates the panel will soon open a formal recommendation asking NASA to re-examine plans for Artemis IV, currently envisioned as a landing at the Moon's south pole, and has raised concerns about future access to low Earth orbit.
The revision shifts where technical risk is concentrated. The NRHO rendezvous was a deliberate choice built around the Gateway-era concept of a stable, energy-efficient lunar staging orbit. Moving the first docking to Earth orbit lets NASA test the most novel crew-and-lander interfaces close to home. If a docking mechanism, life-support interface or software handshake misbehaves, the crew is days from Earth, not on a lunar trajectory.
This is a risk-retirement strategy, and Artemis III's redefinition as an Earth-orbit mission is its clearest expression. A crewed SLS and Orion flight that docks with two commercial landers gives NASA early, real data on both providers. It also keeps the SLS and Orion production line moving and keeps crews flying, which matters for institutional continuity.
The revision also changes the nature of the competition. SpaceX and Blue Origin are no longer solving the same problem in the same way. SpaceX's Starship carries the burden of propulsive transfer of a joined stack. Blue Origin's approach depends on a four-launch New Glenn assembly campaign and a lander that arrives in lunar orbit first and waits. Each path has different failure modes, different launch-cadence needs and different dependency chains.
Finally, the timing matters politically. A 2028 landing target, together with reporting that NASA is adopting Apollo-style urgency to build a moon base and land astronauts in as little as two years, sets a schedule that leaves little slack. The safety panel's intervention a day earlier is a reminder that schedule confidence and technical maturity are not the same thing.
The Blue Origin plan puts a concrete number on New Glenn demand: four launches for a single crewed landing architecture. That is a significant cadence requirement for a vehicle still building its flight heritage, and it makes New Glenn reliability and turnaround a critical-path item for NASA, not just a commercial matter for Blue Origin.
For SpaceX, the revised plan moves the focus to Starship's ability to operate as an orbital transfer stage with Orion attached. Earlier coverage on this platform examined the large Starship launch count associated with propellant transfer. The new development here is architectural: the docking moves to Earth orbit, and Starship becomes responsible for the departure burn.
For ULA, the enlarged Centaur V work shows that the SLS upper-stage question is being addressed with an industrial partner rather than only by NASA internal development. Qualification and flight hardware targeted for an Artemis mission in 2028 give ULA a defined role and a near-term milestone to execute against.
The Sortie spacesuit, described as a lighter version of the lunar suit, signals an effort to prioritize a mission-ready baseline. Suit availability has been a recurring schedule risk, and a simplified variant suggests NASA is trading some capability for readiness. Suppliers should expect requirements to be clarified around the Sortie variant first, with more capable versions following.
The ASAP concern about future access to low Earth orbit connects the lunar architecture to the commercial space station program. NASA opened its next commercial space station competition on October 9, 2026, with proposals due December 8 and awards expected in spring 2027. The procurement covers design, construction, testing, certification and operations, and it treats transportation as part of the purchased capability. If Dragon, Starliner or other crew vehicles are constrained or stretched across lunar and LEO demands, station bidders will need credible transportation plans.
A National Academies report released the same week identifies four lunar locations other than the south pole where human exploration could yield valuable science. Together with an architecture that is changing how landers get there, this raises the possibility of broader site selection discussions. Payload and instrument developers should watch whether Artemis IV and later missions keep a south pole focus or diversify.
The revision has indirect national security implications. Both landing paths rely on heavy-lift commercial launch, and the Space Force is already modernizing its ranges for higher cadence. A four-launch New Glenn campaign and Starship operations both draw on the same range and launch infrastructure that military missions use.
Several milestones will show whether the revised plan holds.
The cascading risk is schedule coupling. The 2028 landing now depends on an Earth-orbit docking test in 2027, two commercial vehicles maturing in parallel, an SLS upper-stage plan with new hardware, and a suit baseline. A slip in any one of them could affect the others. The revised architecture is better at exposing problems early than at removing them, and the safety panel's warnings suggest the highest-risk elements, such as refueling, have not gone away.