Commercial Earth Observation Data Wins Another NASA Endorsement
NASA’s Commercial Satellite Data Acquisition program has released a quality assessment report concluding that data from Satellogic’s NewSat constellation can be used for scientific applications. The decision adds another data source to NASA’s effort to evaluate and integrate commercial remote sensing products into Earth science workflows, but the report also shows that approval does not mean uniform performance across a vendor’s entire fleet.
The assessment covers Satellogic’s Mark IV and Mark V sensor generations and focuses on radiometric and geometric quality, two fundamental dimensions for scientific imagery. Radiometric performance determines how reliably measured reflectance values correspond to reality, while geometric performance affects spatial precision and image fidelity. For researchers using imagery for analysis rather than visualization alone, those distinctions are central.
What NASA Examined
According to the report summary, NASA subject matter experts analyzed 60 top-of-atmosphere reflectance images collected between 2021 and 2025. The review compared performance across multiple sites and benchmarked spectral bands against Aqua MODIS reference values. That kind of evaluation matters because commercial constellations are proliferating quickly, but scientific users need to know whether the resulting data products are consistent enough for research and operational applications.
The results were broadly positive on radiometric quality. NASA said most spectral bands performed within 10% of Aqua MODIS reference values, and signal-to-noise ratios met “Good” rating criteria for more than half the bands examined. That does not imply perfection, but it does suggest that the imagery clears an important baseline for scientific relevance.
The geometric findings were also encouraging overall, with performance exceeding stated sensor spatial response specifications. Yet the review also surfaced notable variability between the two sensor generations, and that difference is one of the report’s most useful contributions.
Mark IV and Mark V Did Not Perform the Same
NASA’s summary says the Mark IV generation received an “Excellent” grade for sensor spatial response, while Mark V was rated “Basic.” That gap is significant because it reminds users that a constellation should not be treated as a monolith. Even within the same vendor family, different sensor generations can have different strengths, limitations and suitability for scientific tasks.
For researchers, that means product choice and metadata awareness remain crucial. A dataset approved for scientific use may still require careful filtering based on instrument generation, acquisition period or downstream processing choices. The most meaningful commercial-data programs are not simply opening the door to more imagery; they are creating the documentation needed for users to decide when and how that imagery is appropriate.
NASA also noted that since the report’s release, Satellogic has changed aspects of its processing in part to address findings and recommendations from the assessment. CSDA is now evaluating those revised products and plans to report results later. That follow-on review shows the process is not static. Vendor assessment is becoming an iterative loop in which commercial providers receive scientific feedback and modify data processing in response.
Why the CSDA Program Matters
NASA created the Commercial Satellite Data Acquisition program to identify, assess and acquire private-sector remote sensing data that can enhance Earth science research and applications. The rationale is straightforward: commercial providers are launching sensors, revising products and expanding coverage at a pace government programs alone may not match. If that data can be validated and integrated responsibly, it can expand observational capacity for scientific and societal use.
The program therefore serves two roles at once. It gives NASA a structured way to test new commercial offerings, and it gives vendors a pathway into scientific use cases that demand more rigorous documentation than ordinary commercial imaging markets. Over time, this kind of interface could shape the market itself by rewarding companies that build products capable of surviving scientific scrutiny.
The NewSat approval is part of that wider pattern. It is not just a statement about one constellation. It is evidence that scientific agencies are building mechanisms to absorb private-sector observation systems without abandoning quality controls.
A More Mature Relationship Between Science and Commercial Imaging
The most interesting aspect of this report may be the feedback loop it represents. NASA reviewed the imagery, found strengths and weaknesses, published those results, and the company then changed some processing steps in response. That is a more mature model than simple procurement. It suggests a market in which commercial Earth observation vendors are increasingly expected to respond to scientific evaluation, not just customer demand.
For end users, that is good news. It means data quality is not being treated as a marketing claim alone. It is being tested, compared and documented. The remaining caveat is that users still need to pay attention to the details. “Approved for scientific use” is not a blanket promise that every product variation performs identically. In the case of NewSat, the distinction between Mark IV and Mark V performance is precisely the kind of nuance that serious users need.
NASA’s latest assessment therefore signals progress on two fronts: commercial satellite imagery is becoming more scientifically usable, and the institutions reviewing it are getting better at documenting what that really means.
Key Takeaways
- NASA’s CSDA program concluded that Satellogic NewSat imagery can be used for scientific applications.
- The review found generally strong radiometric performance, with most spectral bands within 10% of Aqua MODIS reference values.
- Sensor generations differed meaningfully: Mark IV received an “Excellent” spatial response grade, while Mark V received “Basic.”
- Satellogic has already modified some processing steps, and NASA is evaluating the revised products.
This article is based on reporting by science.nasa.gov. Read the original article.



