I would guess this was an isolated and very small fragmentation. I would rate this experience as a 1, but it was cool and I felt the need to document it for meteor enthusiasts.
Location
Address
Marion, IL
Latitude
37° 45' 21.38'' N (37.755938°)
Longitude
88° 48' 36.81'' W (-88.810224°)
Elevation
157.677m
Time and Duration
Local Date & Time
2018-03-02 18:40 CST
UT Date & Time
2018-03-03 00:40 UT
Duration
≈1.5s
Direction
Moving direction
From up left to down right
Descent Angle
91°
Moving
Facing azimuth
-
First azimuth
30°
First elevation
15°
Last azimuth
35°
Last elevation
20°
Brightness and color
Stellar Magnitude
-4
Color
Light Yellow, White
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
1s
Length
15°
Remarks
Bright, then a fade I'd describe as a train burn out, candle like.
Terminal flash
Observation
Yes
Remarks
Light pop then burn out train
Fragmentation
Observation
Yes
Remarks
A pop that lead to a brighter light then a much smaller trail that faded or burnt out.