CORROBORATED
CF-GEI-20120508274 CORROBORATED
The Saint-Just-en-Chaussée Bolide Incident
CASE FILE — CF-GEI-20120508274 — CASEFILES CLASSIFIED ARCHIVE
Date Date when the incident was reported or occurred
2012-05-12
Location Reported location of the sighting or event
Saint-Just-en-Chaussée, Oise, France
Duration Estimated duration of the observed phenomenon
8 to 10 seconds
Object Type Classification of the observed object based on witness descriptions
light
Source Origin database or archive this case was sourced from
geipan
Witnesses Number of known witnesses who reported the event
1
Country Country where the incident took place
FR
AI Confidence AI-generated credibility score based on source reliability, detail consistency, and corroboration
85%
On the night of May 12, 2012, a witness in Saint-Just-en-Chaussée, located in the Oise department of France's Picardie region, observed a large luminous point in the shape of a disk projecting an intensely bright white light. The object traveled at very high speed along a rectilinear northwest-to-southeast trajectory, maintaining constant altitude throughout its 8-10 second transit across the sky. The witness described the phenomenon as a very brilliant disk traversing the celestial dome with remarkable velocity.
GEIPAN (France's official UAP investigation service operated by CNES) conducted a formal investigation of this sighting and cross-referenced it with astronomical data and meteor detection networks. The timing of the observation coincided with the peak activity period of several meteor showers, particularly the Eta Aquarids, which is one of the most intense annual meteor showers visible during this time of year. While the BOAM (Bolide Observation and Analysis Network) did not register this specific event, the network recorded numerous similar phenomena during the same night, consistent with heightened meteoritic activity.
The investigation concluded that the observed characteristics—the extreme velocity, straight-line trajectory, constant altitude, brilliant white light, and brief duration—are entirely consistent with atmospheric entry of a space object. GEIPAN assessed this as most probably a bolide (an extremely bright meteor) caused by atmospheric reentry of a natural object, likely a meteoroid rather than satellite debris. The case was classified as "B" in GEIPAN's system, indicating a probable identification with a high degree of confidence.
02 Timeline of Events
Night of 2012-05-12
Initial Observation
Witness observes a large luminous point in disk shape projecting intense white light appearing in the northwestern sky
~3-5 seconds into event
Object at Peak Brightness
Very brilliant disk-shaped object traverses overhead, maintaining constant altitude and straight-line trajectory toward southeast
8-10 seconds after initial sighting
Object Disappears
Luminous object completes its transit across the sky and vanishes, having traveled the full northwest-to-southeast trajectory
Same night (multiple events)
BOAM Network Detections
French bolide observation network records numerous similar events across France during the same night, consistent with meteor shower activity
Post-event
GEIPAN Investigation
Official investigation correlates sighting with Eta Aquarids meteor shower peak period and BOAM network data showing heightened meteor activity
Investigation conclusion
Case Classified as 'B'
GEIPAN concludes probable bolide observation caused by atmospheric reentry of natural object (meteoroid), likely associated with Eta Aquarids meteor shower
03 Key Witnesses
Anonymous Witness 1
Civilian
medium
Single observer who reported the sighting to GEIPAN. Provided detailed description of the phenomenon including trajectory, duration, and appearance.
"Un gros point lumineux en forme de disque, projetant une lumière blanche très vive. Le déplacement très rapide se fait sur une trajectoire NO-SE, rectiligne et d'altitude toujours égale."
04 Analyst Notes -- AI Processed
This case represents a textbook example of a bolide observation and demonstrates the value of cross-referencing witness reports with astronomical data. The witness description matches precisely what would be expected from a bright meteor: intense luminosity, high angular velocity, straight trajectory, and brief duration. The northwest-to-southeast trajectory is consistent with the radiant point of the Eta Aquarids meteor shower, which appears to originate from the constellation Aquarius in the eastern sky during early May.
The credibility of the explanation is strengthened by temporal correlation with known meteor shower activity and the BOAM network's detection of multiple similar events on the same night. The 8-10 second duration is slightly longer than typical sporadic meteors but within the range for slower-moving meteoroids entering at oblique angles. The witness's description of "constant altitude" likely reflects the perception of a distant object traveling through the upper atmosphere at relatively shallow entry angle, which would minimize apparent altitude change from the ground observer's perspective. GEIPAN's classification as "B" rather than "A" (certain identification) appropriately reflects the absence of instrumental confirmation of this specific event, though the circumstantial evidence is compelling.
05 Theory Comparison
BELIEVER ANALYSIS
SKEPTIC ANALYSIS
Satellite Debris Reentry
While GEIPAN considers meteoroid entry most probable, the investigation acknowledges satellite debris reentry as an alternative explanation. Space debris entering the atmosphere can produce similar visual effects—bright light, straight trajectory, and durations of several seconds. However, this explanation is considered less likely than natural meteoroid entry given the temporal correlation with known meteor shower activity and the absence of scheduled satellite deorbit events on this date.
06 Verdict
ANALYST VERDICT
This case is almost certainly explained as a bright meteor (bolide) associated with the Eta Aquarids meteor shower or concurrent meteoritic activity during early May 2012. The observed characteristics align perfectly with natural atmospheric entry phenomena, and the timing coincides with documented peak meteor shower activity. While the specific object was not instrumentally tracked, the BOAM network's detection of numerous similar events the same night provides strong corroborating evidence. The case holds minimal significance for UAP research but serves as a useful reference for distinguishing meteoric phenomena from truly anomalous observations. GEIPAN's "B" classification is appropriate and the investigation methodology exemplary.
AI CONFIDENCE SCORE:
85%
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