I am south of ORD, air traffic usually goes east to west this object was heading north to the airport which is not an approach angle for aircraft. It also was going extremely fast and disappeared in a bright flash. It’s possible the airport may have picked something up or a pilot could have also seen it.
Location
Address
Chicago, IL
Latitude
41° 56' 40.16'' N (41.944488°)
Longitude
87° 46' 48.06'' W (-87.780016°)
Elevation
190.262833m
Time and Duration
Local Date & Time
2025-01-18 04:39 CST
UT Date & Time
2025-01-18 10:39 UT
Duration
≈7.5s
Direction
Moving direction
From down left to up right
Descent Angle
2°
Moving
Facing azimuth
350°
First azimuth
252.55°
First elevation
48°
Last azimuth
355°
Last elevation
35°
Brightness and color
Stellar Magnitude
-13
Color
Blue, Light Blue, White
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
2s
Length
10°
Remarks
Object streaked across the sky seemed to pick up speed and decrease in altitude it started to trail and erupted in a flash of blue light