I was driving eastbound on I-270 just west of I-55 and my daughter was in the passenger seat. We both observed the fireball heading straight down over the road in a brightly lit area with highway lighting. The magnitude was difficult to determine due to the amount of ambient light.
Location
Address
St. Louis, MO
Latitude
38° 30' 28.54'' N (38.51°)
Longitude
90° 21' 9.86'' W (-90.35°)
Elevation
169.5m
Time and Duration
Local Date & Time
2018-12-21 23:10 CST
UT Date & Time
2018-12-22 05:10 UT
Duration
≈1.5s
Direction
Moving direction
From up right to down left
Descent Angle
183°
Moving
Facing azimuth
104.43°
First azimuth
104.55°
First elevation
31°
Last azimuth
104.79°
Last elevation
15°
Brightness and color
Stellar Magnitude
-8
Color
Light Green
Concurrent Sound
Observation
Unknown
Remarks
-
Delayed Sound
Observation
Unknown
Remarks
-
Persistent train
Observation
No
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
Bright orange flash. Similar to a roman candle flash.