On May 12, 2026, the U.S. Patent and Trademark Office issued NorthStar Earth & Space Inc. a patent on a constellation-based method for imaging the sky to track objects in orbit, and for a business reader the relevant fact is the form: this is an issued grant, which means NorthStar now holds enforceable coverage over the workflow the claim describes, not merely a pending application. The record, US12627772B2, “Systems and methods for generating a plurality of celestial images utilizing a plurality of satellites,” describes “a plurality of satellites in orbit around a celestial body in a plurality of orbital planes,” each carrying an imaging device whose field of view captures sky images that include “celestial image features of resident space object (RSO), stars, and/or planets.”

The distinction between a grant and a publication matters here. A granted claim is coverage NorthStar can assert; it defines a workflow that a competitor operating a comparable space-based object-tracking constellation would have to design around. The record describes specific, quantified mechanics: each satellite processor is configured to “increase a positional detection accuracy of the celestial image features by defocusing imaging optics of the imaging device,” to capture image data “as the FOV of the imaging device on each satellite moves in an orbital plane,” and to “generate by a centralized computer at least 1,000 celestial image features using the image data transmitted from each of the satellites.” The patent is classified in the spacecraft and image-processing CPC families — among them B64G 1/1028 and B64G 1/1085 (cosmonautics / spacecraft arrangements) and G06T 7/80 (image-analysis calibration) — tying it to a space-based imaging architecture rather than a ground telescope network.

A system includes a plurality of satellites in orbit around a celestial body in a plurality of orbital planes.— Systems and methods for generating a plurality of celestial images utilizing a plurality of satellites, US12627772B2

What the claim actually covers

The grant covers a distributed sensing-and-processing chain rather than a single sensor. The architecture the abstract describes runs from many satellites, each imaging the sky from a different orbital plane, through onboard processing that intentionally defocuses the optics to improve positional accuracy, to a centralized computer that fuses the data into a catalog-scale output — “at least 1,000 celestial image features.” For a general reader, the practical subject is space domain awareness: the business of detecting, tracking and cataloging the objects in orbit — active satellites, dead satellites, debris — which is increasingly a commercial service as orbital traffic grows. The claimed approach does this from space rather than from the ground, using the constellation's geometry across orbital planes to build the picture.

For a competitive map, the value of the grant is the distributed architecture it covers. Single-telescope object tracking is widely practiced; the inventive ground here is the coordinated, multi-plane, space-based collection feeding a centralized fusion step that generates catalog-scale features. That is the freedom-to-operate question the grant raises for any operator building a space-based RSO-tracking constellation: a workflow that uses many satellites across orbital planes, defocused imaging for positional accuracy, and centralized generation of at least 1,000 celestial image features now intersects an issued NorthStar claim.

Where it sits in NorthStar's footprint

The patent record search returns a tight, coherent NorthStar cluster — six records, all under the single assignee NorthStar Earth & Space Inc., all on the same space-domain-awareness theme, issued between 2024 and 2026. The new grant is the most recent rung. Its direct lineage is visible in the record set: US12120466B1 (issued October 2024) and US12028654B1 (issued July 2024) carry closely related titles and the same constellation-imaging architecture, indicating a family of continuations and related filings rather than a one-off.

Around the core imaging claims sit the company's processing and simulation records. US12307638B1 (“Systems and methods for assessing a presence or absence of celestial objects…”) and US12249055B1 describe the downstream pipeline — feeding image data into “a pre-processing software pipeline” and a “known-unknown RSO split data processing pipeline” that determines whether a candidate object is “a known RSO stored in an RSO catalog, or an unknown RSO,” then assigns it an RSO ID. A separate record, US12319444B1, covers simulating the imaging of resident space objects. Read together, the cluster spans the full chain: simulate the system, collect from the constellation, process the imagery, and resolve each detection against a catalog.

Reading the cluster as held coverage

One feature of the NorthStar record worth stating plainly is how concentrated it is: six grants, one assignee, one subject. A reader should not over-read a sparse return — the public index surfaces what is classified and published, and a company's full portfolio may be larger. But sparseness with this much internal consistency is itself informative. Every record sits on the space-domain-awareness ladder: the constellation that collects, the processing that resolves detections, the catalog that holds the result, and the simulation that designs the system. The new grant fills the collection rung with an issued, enforceable claim on the multi-satellite imaging workflow.

The quantified language is part of what makes the claim concrete rather than abstract. By naming “at least 1,000 celestial image features,” a defocusing step to improve positional accuracy, and collection “as the FOV… moves in an orbital plane,” the record ties the coverage to a specific operating method rather than a generic space-tracking idea. For a competitor reading the grant for design-around purposes, the relevant boundaries are the ones the claim draws: many satellites across orbital planes, defocused optics for positional accuracy, and centralized generation of catalog-scale features. Those elements, taken together, define the covered workflow.

The business edge it defines

What the grant buys, in plain terms, is a defined area a space-domain-awareness competitor has to navigate. A granted claim on a multi-satellite, multi-plane RSO-imaging workflow is the kind of coverage that constrains how a rival architects a space-based tracking constellation if it wants to use the defocused-imaging, centralized-feature-generation approach the claim recites. That is the contour of the freedom-to-operate pressure the record creates — bounded to the specific workflow the claim describes, and in force as of the May 12 issue date. The reader can map it directly: an issued claim, spacecraft and image-processing CPC codes, a distributed collection-and-fusion architecture, and a six-record cluster showing NorthStar holds coverage across the full space-tracking chain rather than at a single point.