skylight.

UAL2022 United

Airbus A320 232 · N445UA

· 2:06Quality 83side-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
91%
First lockfrom target selected
9.1 s
Centring, medianaz / el while locked
0.12° / 0.11°
Centring, 90th pctaz / el while locked
0.28° / 0.34°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
3.7 s
Time to tightestfrom first lock
5.9 s
Time at telefield of view ≤ 5.5°
110.9 s
Jitter at teleaz / el, standard deviation
0.16° / 0.20°
Swing at teleaz / el, peak to peak
1.45° / 1.77°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
1.38°
Largest tilt hopin any 1 s at tele
0.91°
Pose error, mediancommand vs camera
0.49°
Largest correctionvision vs prediction
1.15°
Zoom steps
20

Aircraft & route

Flight
UAL2022
Registration
N445UA
Type
Airbus A320 232
Airline
United
From
—
To
—
Ground speed
245 kt
Altitude at closest
11,075 ft
Vertical rate
-1,600 ft/min
Category
A3
ICAO hex
a55ef3

Pass geometry

Max elevation
25.9°
Elevation at start → end
18.0° → 13.9°
Azimuth at start → end
329° NNW → 67° ENE
Closest-approach azimuth
9° N
Minimum slant range
7.7 km
Heading at closest
108° ESE
Aspect at closest
side-on (81°)
Turn
straight (12°)
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
2:06 (126.1 s)
Lock
91%

Build & tuning

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

Build
2026-10-16i — lock-first on; shadow silhouette sky-masked
Commit
5610684
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
9.9 MB · 126.0 s · offset -1.5 s
pursuit
velocity
maxLeadSec
3
panLatencySec
0.6
tiltLatencySec
0.4
rippleDeg
0.5
rippleTeleDeg
0.25
maxSpeedStepFwps
0.45
speedReachFrac
0.8
lockedSigmaDeg
0.35
sigmaGrowthDps
0.1
aimLeadSec
-0.19
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