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UAL2262 United

Boeing 737NG 824/W · N17244 · LAS → SFO

· 1:21Quality 96side-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −78%). 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
94%
First lockfrom target selected
4.1 s
Centring, medianaz / el while locked
0.16° / 0.12°
Centring, 90th pctaz / el while locked
0.49° / 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°
65.3 s
Jitter at teleaz / el, standard deviation
0.27° / 0.16°
Swing at teleaz / el, peak to peak
1.54° / 1.05°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
4.85°
Largest tilt hopin any 1 s at tele
1.89°
Pose error, mediancommand vs camera
1.09°
Largest correctionvision vs prediction
6.64°
Zoom steps
20

Aircraft & route

Flight
UAL2262
Registration
N17244
Type
Boeing 737NG 824/W
Airline
United
From
LAS · Las Vegas
To
SFO · San Francisco
Ground speed
247 kt
Altitude at closest
11,500 ft
Vertical rate
0 ft/min
Category
A3
ICAO hex
a1239c

Pass geometry

Max elevation
70.4°
Elevation at start → end
44.4° → 25.9°
Azimuth at start → end
340° NNW → 132° SE
Closest-approach azimuth
50° NE
Minimum slant range
3.7 km
Heading at closest
140° SE
Aspect at closest
side-on (90°)
Turn
straight (9°)
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
1:21 (80.6 s)
Lock
94%

Build & tuning

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

Build
2026-10-16e — A/B mountPrior + candidate diagnostics
Commit
ffe4b92
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
40.5 MB · 81.0 s · offset -1.2 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
-0.1
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