It took me a second to realize what I was seeing. When it flashed and fragmented I gasped and realized I was seeing something special. I could hardly believe I saw it as I was in an fairly well lit urban area. It was really beautiful.
Location
Address
Philadelphia, PA
Latitude
40° 2' 2.49'' N (40.034024°)
Longitude
75° 10' 58.88'' W (-75.183021°)
Elevation
68.628m
Time and Duration
Local Date & Time
2017-12-19 17:24 EST
UT Date & Time
2017-12-19 22:24 UT
Duration
≈7.5s
Direction
Moving direction
From up left to down right
Descent Angle
115°
Moving
Facing azimuth
60.01°
First azimuth
38.2°
First elevation
50°
Last azimuth
73.1°
Last elevation
45°
Brightness and color
Stellar Magnitude
-13
Color
Light Yellow
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
No
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
There was a flash and then it seemed as though there was a larger piece and a smaller piece. The fireball disappeared almost right after this happened.
Fragmentation
Observation
Yes
Remarks
It flashed bright white and then a smaller piece seemed to split off at a different angle, heading towards the earth more steeply.
