skylight.

UAL1333 United

Boeing 737NG 924ER/W · N66848

· 0:22Quality 60low zoomside-on

3D replay

Trace

Where the aircraft sat in the frame, second by second. Click the chart to jump the video there.

—FOV —az —el —pose —
Lock

Events

Tracking metrics

How well the camera kept the aircraft centred. Tap a metric for what it means and what good looks like.

Lockshare of the pass
50%
First lockfrom target selected
5.8 s
Centring, medianaz / el while locked
0.41° / 0.27°
Centring, 90th pctaz / el while locked
1.43° / 0.92°
Tightest field of viewhorizontal
10.8°
Time to 8°from first lock
—
Time to tightestfrom first lock
0.0 s
Time at telefield of view ≤ 5.5°
0.0 s
Jitter at teleaz / el, standard deviation
—
Swing at teleaz / el, peak to peak
—
Pan reversalsper 10 s at tele
—
Largest pan hopin any 1 s at tele
—
Largest tilt hopin any 1 s at tele
—
Pose error, mediancommand vs camera
0.78°
Largest correctionvision vs prediction
0.54°
Zoom steps
4

Aircraft & route

Flight
UAL1333
Registration
N66848
Type
Boeing 737NG 924ER/W
Airline
United
From
—
To
—
Ground speed
307 kt
Altitude at closest
11,125 ft
Vertical rate
-320 ft/min
Category
A3
ICAO hex
a8d4f6

Pass geometry

Max elevation
25.0°
Elevation at start → end
25.0° → 19.4°
Azimuth at start → end
44° NE → 64° ENE
Closest-approach azimuth
44° NE
Minimum slant range
8.1 km
Heading at closest
109° ESE
Aspect at closest
side-on (66°)
Turn
straight (0°)
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
0:22 (22.4 s)
Lock
50%

Build & tuning

The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.

Build
2026-10-13g — debanding (archive s2 + live shader)
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
11.0 MB · 22.0 s · offset -1.3 s
pursuit
velocity
maxLeadSec
3
panLatencySec
0.6
tiltLatencySec
0.4
rippleDeg
0.5
rippleTeleDeg
0.25
rateFloorDegPerDps
2.5
rateFloorMaxDeg
12
lockedSigmaDeg
0.35
correctionSlewDps
2.5
kp
1
ki
0.6

This clip and poster are © Skylight (Cameron Paczek): free for non-commercial use with credit to skylightceiling.com, not MIT. License