CORROBORATED
CF-GEI-20090702369 CORROBORATED
ISS Misidentification Over Burgundy
CASE FILE — CF-GEI-20090702369 — CASEFILES CLASSIFIED ARCHIVE
Date Date when the incident was reported or occurred
2009-07-19
Location Reported location of the sighting or event
Messigny-et-Vantoux, Côte-d'Or, Bourgogne, France
Duration Estimated duration of the observed phenomenon
15 minutes
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 evening of July 19, 2009, between 23:00 and 23:15, a single witness in Messigny-et-Vantoux, a commune in the Côte-d'Or department of Burgundy, France, observed a bright white light traversing the night sky from northwest to southeast. The witness described the light as having 'very significant brightness' and noted its slow, steady movement across the celestial sphere. The observation was notable for what was absent: no sound accompanied the phenomenon, no smoke trail was visible, and no ground traces were detected.
The witness reported the sighting to GEIPAN (Groupe d'études et d'informations sur les phénomènes aérospatiaux non identifiés), France's official UFO investigation service operated by CNES (Centre National d'Études Spatiales). GEIPAN investigators immediately recognized the description as matching the known trajectory and appearance of the International Space Station during its pass over the region that evening. The ISS was particularly brilliant on this occasion, achieving an apparent magnitude of -3.3, making it one of the brightest objects in the night sky after the Moon and Venus.
This case represents a textbook example of a misidentified conventional object and was assigned GEIPAN's 'A' classification, their highest certainty rating indicating a phenomenon that is '100% identified with certainty.' The witness's detailed description—silent movement, exceptional brightness, northwest-to-southeast trajectory, and slow transit—perfectly matched the orbital characteristics of the ISS during its visible pass over Burgundy on that date.
02 Timeline of Events
23:00
Initial Observation
Witness first notices an exceptionally bright white light appearing in the northwestern sky over Messigny-et-Vantoux.
23:00-23:15
Continuous Transit Observation
The bright light moves slowly and silently across the sky from northwest to southeast. Witness notes the absence of sound, smoke trail, or any ground effects. The object maintains consistent brightness and steady trajectory throughout the observation period.
23:15
Object Disappears from View
The light disappears beyond the southeastern horizon, completing its visible pass across the sky. Total observation duration approximately 15 minutes.
Post-event
Report Filed with GEIPAN
Witness submits formal report to GEIPAN describing the observation in detail.
Post-investigation
GEIPAN Identification Complete
GEIPAN investigators correlate the witness description with ISS orbital data for July 19, 2009. Confirm ISS passed over the region at the reported time with magnitude -3.3, matching all observed characteristics. Case classified as 'A' - fully explained with certainty.
03 Key Witnesses
Anonymous Witness 1
civilian observer
medium
Single witness who observed and reported a bright light phenomenon in the night sky over Messigny-et-Vantoux. Demonstrated careful observation by noting both what was present (bright white light, slow movement, specific trajectory) and what was absent (sound, smoke, ground traces).
"A white light of very significant brightness in the sky, no sound was heard during the slow movement of the phenomenon, no smoke or ground traces were observed."
04 Analyst Notes -- AI Processed
This case demonstrates the importance of cross-referencing witness reports with known astronomical and orbital data. The witness provided an accurate, honest description of what they observed without embellishment or sensationalism. Their account of a silent, bright, slow-moving light traversing from northwest to southeast aligns precisely with ISS visibility parameters for the specified time and location. The magnitude of -3.3 would make the station exceptionally conspicuous, easily bright enough to prompt a report from an observer unfamiliar with satellite tracking.
The witness's credibility is actually enhanced by their willingness to report what they didn't observe: no sound, no smoke, no ground effects. This suggests careful observation rather than imaginative elaboration. GEIPAN's swift and confident identification indicates they had immediate access to orbital tracking data confirming the ISS pass. The 15-minute observation window is consistent with the typical duration of an ISS visible pass from horizon to horizon at mid-latitudes. This case serves as a valuable reference point for distinguishing satellite passages from genuinely anomalous aerial phenomena and highlights how even experienced investigators can benefit from eliminating conventional explanations first.
05 Theory Comparison
BELIEVER ANALYSIS
SKEPTIC ANALYSIS
Conventional Explanation Validation
This case represents the ideal outcome for UFO investigation: a witness makes an honest report, investigators apply scientific methodology, and a conventional explanation is conclusively established. The witness's description contains no anomalous elements that cannot be explained by ISS characteristics. The absence of sound is expected for objects at orbital altitude (approximately 400km), the brightness is explained by solar panel reflection at optimal angle, and the trajectory matches known orbital mechanics. There is literally nothing about this case that suggests anything other than a satellite observation.
06 Verdict
ANALYST VERDICT
This case is definitively explained as a sighting of the International Space Station during a particularly bright pass over eastern France. The classification is certain, supported by orbital mechanics data, magnitude calculations, and trajectory correlation. The witness observed exactly what would be expected when the ISS transits at magnitude -3.3: a brilliant, silent, slow-moving light following a predictable path across the sky. There are zero anomalous elements in this case. Its significance lies entirely in its educational value—demonstrating how unfamiliarity with satellite appearances can generate UFO reports, and showcasing the effectiveness of systematic investigation methods that cross-reference witness accounts with verifiable astronomical data. This is precisely the type of case that GEIPAN's 'A' classification was designed to capture: absolutely identified, no mystery remaining.
AI CONFIDENCE SCORE:
85%
07 Community Discussion
VIEW ALL >// NO COMMENTS YET
Be the first field agent to contribute analysis on this case.
08 Live Chat 1 ROOM
ENTER LIVE CHAT
Real-time discussion with other field agents analyzing this case.