skylight.

LXJ302 Flexjet

· 0:52Quality 85lost lockside-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −54%). 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
89%
First lockfrom target selected
5.7 s
Centring, medianaz / el while locked
0.19° / 0.10°
Centring, 90th pctaz / el while locked
0.99° / 0.37°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
2.6 s
Time to tightestfrom first lock
—
Time at telefield of view ≤ 5.5°
28.5 s
Jitter at teleaz / el, standard deviation
0.34° / 0.12°
Swing at teleaz / el, peak to peak
2.05° / 0.80°
Pan reversalsper 10 s at tele
0.3
Largest pan hopin any 1 s at tele
3.56°
Largest tilt hopin any 1 s at tele
1.86°
Pose error, mediancommand vs camera
1.50°
Largest correctionvision vs prediction
1.96°
Zoom steps
29

Aircraft & route

Flight
LXJ302
Registration
—
Type
—
Airline
Flexjet
From
—
To
—
Ground speed
309 kt
Altitude at closest
13,275 ft
Vertical rate
-1,600 ft/min
Category
A1
ICAO hex
a32753

Pass geometry

Max elevation
72.8°
Elevation at start → end
50.0° → 38.7°
Azimuth at start → end
341° NNW → 129° SE
Closest-approach azimuth
49° NE
Minimum slant range
4.2 km
Heading at closest
140° SE
Aspect at closest
side-on (89°)
Turn
straight (11°)
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
0:52 (51.5 s)
Lock
89%

Build & tuning

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

Build
2026-10-16g — A/B lockFirst (mount prior on)
Commit
9bdc356
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
26.0 MB · 52.0 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
-0.11
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