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UAL2437 United

Boeing 737NG 924ER/W · N68811

· 0:37Quality 88side-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −45%). Download

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
87%
First lockfrom target selected
5.2 s
Centring, medianaz / el while locked
0.26° / 0.17°
Centring, 90th pctaz / el while locked
0.71° / 0.33°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
4.5 s
Time to tightestfrom first lock
—
Time at telefield of view ≤ 5.5°
16.7 s
Jitter at teleaz / el, standard deviation
0.35° / 0.15°
Swing at teleaz / el, peak to peak
1.38° / 0.66°
Pan reversalsper 10 s at tele
0.6
Largest pan hopin any 1 s at tele
2.37°
Largest tilt hopin any 1 s at tele
0.87°
Pose error, mediancommand vs camera
0.87°
Largest correctionvision vs prediction
0.20°
Zoom steps
16

Aircraft & route

Flight
UAL2437
Registration
N68811
Type
Boeing 737NG 924ER/W
Airline
United
From
—
To
—
Ground speed
302 kt
Altitude at closest
11,225 ft
Vertical rate
-128 ft/min
Category
A3
ICAO hex
a92384

Pass geometry

Max elevation
27.4°
Elevation at start → end
27.4° → 20.6°
Azimuth at start → end
30° NNE → 65° ENE
Closest-approach azimuth
30° NNE
Minimum slant range
7.5 km
Heading at closest
110° ESE
Aspect at closest
side-on (80°)
Turn
straight (0°)
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
0:37 (36.6 s)
Lock
87%

Build & tuning

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

Build
2026-10-13k — centred plane + noisy motion check no longer demotes the zoom
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
17.9 MB · 36.0 s · offset -1.1 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