I know it sounds like a dumb reference but it reminded me of a small plasma grenade from the halo video games. Almost same color too. It was large enough that someone's security camera had to have caught it.
Location
Address
Houston, TX
Latitude
29° 32' 5.81'' N (29.534946°)
Longitude
95° 5' 44.96'' W (-95.095822°)
Elevation
-0.447m
Time and Duration
Local Date & Time
2017-06-17 23:43 CDT
UT Date & Time
2017-06-18 04:43 UT
Duration
≈1.5s
Direction
Moving direction
From up left to down right
Descent Angle
100°
Moving
Facing azimuth
319.19°
First azimuth
250°
First elevation
57°
Last azimuth
275°
Last elevation
35°
Brightness and color
Stellar Magnitude
-9
Color
Blue, Light Blue, Light Green
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Unknown
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
It got brighter right before it vanished. Went from a blue/teal color to white and then was gone