CORROBORATED
CF-GEI-20020101581 CORROBORATED
The Montélimar Green Fireball - Atmospheric Reentry Event
CASE FILE — CF-GEI-20020101581 — CASEFILES CLASSIFIED ARCHIVE
Date Date when the incident was reported or occurred
2002-01-19
Location Reported location of the sighting or event
Montélimar, Drôme, France
Duration Estimated duration of the observed phenomenon
approximately 1 second
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 January 19, 2002, at approximately 5:45 PM local time, a motorist traveling on the autoroute near Montélimar in the Drôme department observed a brief but striking aerial phenomenon. The witness reported seeing a rapid passage of a green luminous mass traversing the sky, accompanied by a luminous trail. The entire event lasted approximately one second before disappearing from view.
The sighting occurred during dusk hours in southeastern France, in the Rhône-Alpes region. The witness was in motion on the highway at the time of observation, providing only a momentary glimpse of the phenomenon. The bright green coloration and the presence of a trailing luminous wake were the most distinctive features reported.
GEIPAN, France's official UAP investigation service operated by CNES (Centre National d'Études Spatiales), classified this case as 'B' - indicating a probable explanation with good consistency between the testimony and hypothesis. Their analysis concluded this was most likely an atmospheric reentry event, where space debris or a meteoroid entered Earth's atmosphere at high velocity, creating the observed luminous effect.
02 Timeline of Events
17:45
Initial Sighting
Witness driving on autoroute near Montélimar observes a green luminous mass appearing in the sky
17:45:01
Rapid Transit Observed
The luminous green object traverses the sky at very high speed with a visible luminous trail behind it
17:45:02
Phenomenon Ends
After approximately one second of visibility, the object disappears from view, having completed its trajectory across the visible sky
Post-event
Report to GEIPAN
Witness submits formal report to France's official UFO investigation service
Post-investigation
Official Classification
GEIPAN classifies the case as 'B' - probable atmospheric reentry with good consistency between testimony and hypothesis
03 Key Witnesses
Anonymous Motorist
Civilian motorist on autoroute
medium
Single witness traveling on the highway near Montélimar who observed the phenomenon while driving
"Durant une seconde environ le passage très rapide d'une masse lumineuse verte qui traverse le ciel avec une trainée lumineuse"
04 Analyst Notes -- AI Processed
The GEIPAN 'B' classification indicates high confidence in the atmospheric reentry explanation. Several factors support this assessment: the extremely brief duration (approximately 1 second), the rapid velocity described by the witness, the green coloration typical of copper-based materials burning during reentry, and the presence of a luminous trail characteristic of objects entering the atmosphere at hypersonic speeds. The timing at 17:45 (dusk) would have provided optimal visibility conditions for observing such a phenomenon against a darkening sky.
The single-witness nature of the report and the brevity of observation limit the amount of corroborating data available. However, the witness's description is internally consistent and matches well-documented characteristics of atmospheric reentry events. The green color specifically suggests specific metallic composition burning at high temperatures. No unusual maneuvers, course changes, or anomalous behaviors were reported - the object simply traversed the sky in a ballistic trajectory as would be expected from natural space debris or artificial satellite reentry.
05 Theory Comparison
BELIEVER ANALYSIS
SKEPTIC ANALYSIS
Artificial Satellite Reentry
Given the date and location, this could be debris from controlled or uncontrolled satellite reentry. Space agencies and military organizations regularly track orbital debris, and reentry events occur frequently. The green coloration would be consistent with specific materials used in satellite construction. A check of satellite tracking databases from January 2002 could potentially identify the specific object, though such correlation is not always possible for smaller debris fragments.
06 Verdict
ANALYST VERDICT
This case represents a textbook example of an atmospheric reentry event, correctly identified by GEIPAN's investigation. The confidence level in this explanation is high. The green luminous mass with trailing light, combined with the extreme velocity and brief duration, are diagnostic features of space debris or meteoroid atmospheric entry. While dramatic to witness, this phenomenon has a well-understood scientific explanation and poses no unexplained aerial mystery. The case is significant primarily as an example of GEIPAN's systematic approach to classifying and explaining reported aerial phenomena, demonstrating that most UFO reports have conventional explanations when properly investigated.
AI CONFIDENCE SCORE:
85%
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