skylight.

UAL810 United

Boeing 777 300ER · N2332U

· 0:16Quality 57lost locklens stuckside-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
49%
First lockfrom target selected
8.3 s
Centring, medianaz / el while locked
1.18° / 0.69°
Centring, 90th pctaz / el while locked
2.97° / 1.32°
Tightest field of viewhorizontal
4.2°
Time to 8°from first lock
0.0 s
Time to tightestfrom first lock
—
Time at telefield of view ≤ 5.5°
4.0 s
Jitter at teleaz / el, standard deviation
—
Swing at teleaz / el, peak to peak
—
Pan reversalsper 10 s at tele
2.5
Largest pan hopin any 1 s at tele
19.61°
Largest tilt hopin any 1 s at tele
5.13°
Pose error, mediancommand vs camera
1.39°
Largest correctionvision vs prediction
0.76°
Zoom steps
13

Aircraft & route

Flight
UAL810
Registration
N2332U
Type
Boeing 777 300ER
Airline
United
From
—
To
—
Ground speed
316 kt
Altitude at closest
11,250 ft
Vertical rate
0 ft/min
Category
A5
ICAO hex
a21656

Pass geometry

Max elevation
68.6°
Elevation at start → end
46.4° → 68.6°
Azimuth at start → end
343° NNW → 31° NNE
Closest-approach azimuth
31° NNE
Minimum slant range
3.7 km
Heading at closest
140° SE
Aspect at closest
side-on (71°)
Turn
straight (0°)
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
0:16 (16.1 s)
Lock
49%

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
8.0 MB · 16.0 s · offset -1.5 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