It looked like it could have been a very nearby bottle rocket, as it was travelling faster across the sky than I'd expect a fragmenting meteor to travel, but others across the SF Bay saw it as well.
Location
Address
Sunnyvale, CA
Latitude
37° 20' 44.21'' N (37.345615°)
Longitude
122° 2' 2.4'' W (-122.034001°)
Elevation
58.31657m
Time and Duration
Local Date & Time
2021-05-13 19:15 PDT
UT Date & Time
2021-05-14 02:15 UT
Duration
≈3.5s
Direction
Moving direction
From up right to down left
Descent Angle
195°
Moving
Facing azimuth
183.37°
First azimuth
196.61°
First elevation
36°
Last azimuth
183.05°
Last elevation
16°
Brightness and color
Stellar Magnitude
-8
Color
Light Yellow
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
No
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Unknown
Remarks
-
Fragmentation
Observation
Yes
Remarks
When I first saw it there were 2 or 3 bright closely-spaced pieces which quickly broke apart into 15-20 pieces, dimming as they went.
