Very hard to predict it's angle since I was coming up a hill. Lasted about 2 seconds, and was light blue until the end when it'd flashed bright green and disappeared.
Location
Address
West Nyack, NY
Latitude
41° 6' 23.1'' N (41.11°)
Longitude
73° 57' 53.89'' W (-73.96°)
Elevation
34.2m
Time and Duration
Local Date & Time
2019-12-19 18:35 EST
UT Date & Time
2019-12-19 23:35 UT
Duration
≈1.5s
Direction
Moving direction
From up left to down right
Descent Angle
151°
Moving
Facing azimuth
185°
First azimuth
180°
First elevation
20°
Last azimuth
185°
Last elevation
15°
Brightness and color
Stellar Magnitude
-7
Color
Light Blue, Green
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Unknown
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
Light went from light blue to bright green before disappearing