I can only guess that if something hit the ground it must have been towards the new mexico/ Colorado border by Cortez Co. We were camping at the time and the boom terrified our kids so it must have been quite large to make a Sonic boom or impact sound like that
Location
Address
Keyhole, CO
Latitude
38° 39' 26.47'' N (38.657354°)
Longitude
108° 22' 30.3'' W (-108.375083°)
Elevation
1973.225464m
Time and Duration
Local Date & Time
2019-06-15 20:00 MDT
UT Date & Time
2019-06-16 02:00 UT
Duration
≈1.5s
Direction
Moving direction
From up left to down right
Descent Angle
169°
Moving
Facing azimuth
165.54°
First azimuth
165.05°
First elevation
69°
Last azimuth
181.13°
Last elevation
55°
Brightness and color
Stellar Magnitude
-16
Color
White
Concurrent Sound
Observation
Unknown
Remarks
-
Delayed Sound
Observation
Yes
Remarks
About 5 minutes after seeing it a very strong boom was heard and could be felt on the ground
