I DO AIRPORT OPERATIONS AND HAVE WORKED THE NIGHT SHIFT FOR THE LAST 12 YEARS AND SEE A FEW A YEAR. I WAS ON RWY 27L DOING MY RUNWAY INSPECTION AT THE TIME SEEING IT.
Location
Address
Chicago, IL
Latitude
41° 59' 2.08'' N (41.983912°)
Longitude
87° 53' 30.49'' W (-87.891803°)
Elevation
197.119m
Time and Duration
Local Date & Time
2017-08-02 02:25 CDT
UT Date & Time
2017-08-02 07:25 UT
Duration
≈3.5s
Direction
Moving direction
From up right to down left
Descent Angle
254°
Moving
Facing azimuth
270°
First azimuth
267°
First elevation
30°
Last azimuth
248°
Last elevation
25°
Brightness and color
Stellar Magnitude
-8
Color
Light Green
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
1s
Length
5°
Remarks
GLOWING PIECES TRAILED THE MAIN OBJECT
Terminal flash
Observation
No
Remarks
-
Fragmentation
Observation
Yes
Remarks
SMALL GLOWING PIECES BROKE OFF AND TRAILED THE MAIN OBJECT
