At first I thought it was a military plane (white light) that hit the afterburners but quickly realized the fire trail was much too large for an object that looked so far away. There were a number of planes in the sky at the time.
Location
Address
Irvine, CA
Latitude
33° 41' 2.21'' N (33.683947°)
Longitude
117° 47' 40.9'' W (-117.794694°)
Elevation
-
Time and Duration
Local Date & Time
2014-12-29 19:04 PST
UT Date & Time
2014-12-30 03:04 UT
Duration
≈7.5s
Direction
Moving direction
From up right to down left
Descent Angle
225°
Moving
Facing azimuth
225°
First azimuth
315°
First elevation
35°
Last azimuth
225°
Last elevation
20°
Brightness and color
Stellar Magnitude
-11
Color
White at first, then blue/green with orange, yellow