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UAL1702 United

Boeing 737NG 824/W · N26210

· 3:34Quality 82lost lockside-onturned 28°

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −74%). 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
76%
First lockfrom target selected
31.6 s
Centring, medianaz / el while locked
0.12° / 0.16°
Centring, 90th pctaz / el while locked
0.28° / 0.46°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
8.7 s
Time to tightestfrom first lock
12.3 s
Time at telefield of view ≤ 5.5°
161.1 s
Jitter at teleaz / el, standard deviation
0.17° / 0.21°
Swing at teleaz / el, peak to peak
1.23° / 1.48°
Pan reversalsper 10 s at tele
0.2
Largest pan hopin any 1 s at tele
4.39°
Largest tilt hopin any 1 s at tele
1.85°
Pose error, mediancommand vs camera
0.60°
Largest correctionvision vs prediction
2.85°
Zoom steps
35

Aircraft & route

Flight
UAL1702
Registration
N26210
Type
Boeing 737NG 824/W
Airline
United
From
—
To
—
Ground speed
241 kt
Altitude at closest
11,500 ft
Vertical rate
0 ft/min
Category
A3
ICAO hex
a288ff

Pass geometry

Max elevation
70.1°
Elevation at start → end
17.6° → 10.8°
Azimuth at start → end
326° NW → 145° SE
Closest-approach azimuth
51° NE
Minimum slant range
3.7 km
Heading at closest
140° SE
Aspect at closest
side-on (89°)
Turn
turned 28°
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
3:34 (213.6 s)
Lock
76%

Build & tuning

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

Build
2026-10-15t — vertical rate falls back to geom_rate (server)
Commit
218644c
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
107.0 MB · 214.0 s · offset -1.3 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
-0.03
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