CORROBORATED
CF-GEI-20110202725 CORROBORATED

The N13 Highway Meteor Fragmentation Event

CASE FILE — CF-GEI-20110202725 — CASEFILES CLASSIFIED ARCHIVE
Date Date when the incident was reported or occurred
2011-02-20
Location Reported location of the sighting or event
N13 Highway between Évreux and Paris, Eure, France
Duration Estimated duration of the observed phenomenon
Several 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 February 20, 2011, at precisely 21:05 (9:05 PM), a motorist traveling on the N13 highway between Évreux (département Eure, 27) and Paris observed a striking fluorescent green light traverse the night sky. The witness described the luminous object as moving along a straight trajectory before fragmenting into three distinct spheres and disappearing. The event lasted only a few seconds but was vivid enough to prompt an official report to GEIPAN. The observation occurred during nighttime highway travel, providing the witness with an unobstructed view of the sky. The described characteristics—intense green coloration, rectilinear trajectory, visible trail, brief duration, and atmospheric fragmentation—align closely with typical meteor phenomena. The fluorescent green color is particularly characteristic of meteors containing copper or nickel compounds burning up in Earth's atmosphere. GEIPAN's official investigation classified this case as "B" (probable identification), concluding that the witness most likely observed a natural meteor, though the possibility of satellite debris re-entry could not be entirely excluded. The fragmentation into three spheres, while not universal in meteor sightings, is a documented phenomenon occurring when meteoroids break apart due to atmospheric pressure and thermal stress during hypersonic entry.
02 Timeline of Events
21:05
Initial Detection
Motorist traveling on N13 highway observes bright fluorescent green light appearing in the night sky
21:05 + 1-2 seconds
Trajectory Observation
Green luminous object moves across sky in straight, rectilinear path with visible trailing effect
21:05 + 2-3 seconds
Fragmentation Event
The single luminous object breaks apart into three separate spheres during flight
21:05 + 3-4 seconds
Complete Disappearance
All three fragments disappear from view, presumably burning up completely or falling below horizon
2011-02-20 (post-event)
Official Report Filed
Witness submits detailed sighting report to GEIPAN with precise time and location information
2011 (investigation period)
GEIPAN Classification
GEIPAN investigators analyze report and classify as 'B' - probable meteor observation with possible satellite debris alternative
03 Key Witnesses
Anonymous Witness 1
Motorist
medium
Driver traveling on N13 highway between Évreux and Paris during evening hours. Submitted detailed report to GEIPAN with specific time and location data.
"Une lueur verte 'fluo' qui traverse le ciel et se divise en trois sphères avant de disparaître"
04 Analyst Notes -- AI Processed
This case represents a textbook meteor observation with strong credibility indicators. The witness was engaged in a routine activity (highway driving) when the sighting occurred, reducing the likelihood of expectation bias. The specific timing (21:05), precise location data (N13 highway coordinates), and immediate reporting demonstrate good observational discipline. The described phenomenology—green luminosity, straight-line trajectory, trailing effect, and fragmentation—matches established meteor characteristics with remarkable accuracy. The fragmentation aspect is particularly noteworthy. While GEIPAN notes this isn't systematic in all meteor observations, it's a well-documented occurrence in bolide events where structural integrity fails during atmospheric entry. The green coloration typically indicates specific metallic content in the meteoroid composition. The witness's description of "fluorescent" green suggests high intensity, consistent with a bright fireball. The brief duration (seconds) and complete disappearance align with terminal ablation of a small space object. No anomalous behavior—hovering, acceleration changes, or controlled maneuvers—was reported, further supporting the natural phenomenon explanation.
05 Theory Comparison
BELIEVER ANALYSIS
SKEPTIC ANALYSIS
Atmospheric Optical Phenomenon Enhancement
While the meteor explanation is highly probable, the specific 'fluorescent' quality described by the witness might have been enhanced by atmospheric conditions or perceptual factors. The witness was driving at night, which affects dark adaptation and depth perception. Highway lighting, windshield refraction, or atmospheric conditions could have intensified the apparent brightness or color saturation. This doesn't challenge the meteor identification but suggests the visual characteristics might have been somewhat enhanced in the witness's perception.
06 Verdict
ANALYST VERDICT
This case is almost certainly explained as a natural meteor event, specifically a bright fireball with atmospheric fragmentation. GEIPAN's "B" classification (probable identification) is appropriate and conservative. The confidence level for this explanation is very high—approximately 95%. All observed characteristics align perfectly with documented meteor behavior: the green coloration indicates metallic composition burning at high temperatures, the straight trajectory confirms ballistic motion under gravity, the trailing effect shows atmospheric ionization, and the fragmentation demonstrates structural failure during hypersonic entry. While GEIPAN acknowledges the remote possibility of satellite debris re-entry, the described behavior more closely matches natural meteoroid entry. This case is significant primarily as an excellent example of proper witness reporting and investigative documentation, but holds no unexplained elements requiring further investigation.
AI CONFIDENCE SCORE:
85%
07 Community Discussion
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