skylight.

EJA200 NetJets

Bombardier Challenger 650 · N200QS · SJC → BUR

· 1:02Quality 63side-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −57%). 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
58%
First lockfrom target selected
6.4 s
Centring, medianaz / el while locked
0.54° / 0.36°
Centring, 90th pctaz / el while locked
2.36° / 2.29°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
25.8 s
Time to tightestfrom first lock
39.1 s
Time at telefield of view ≤ 5.5°
7.3 s
Jitter at teleaz / el, standard deviation
0.11° / 0.18°
Swing at teleaz / el, peak to peak
0.26° / 0.41°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
9.77°
Largest tilt hopin any 1 s at tele
8.02°
Pose error, mediancommand vs camera
1.45°
Largest correctionvision vs prediction
4.00°
Zoom steps
68

Aircraft & route

Flight
EJA200
Registration
N200QS
Type
Bombardier Challenger 650
Airline
NetJets
From
SJC · San Jose
To
BUR · Burbank
Ground speed
201 kt
Altitude at closest
2,450 ft
Vertical rate
—
Category
A2
ICAO hex
a19372

Pass geometry

Max elevation
75.9°
Elevation at start → end
15.8° → 13.3°
Azimuth at start → end
111° ESE → 298° WNW
Closest-approach azimuth
28° NNE
Minimum slant range
772 m
Heading at closest
296° WNW
Aspect at closest
side-on (88°)
Turn
straight (2°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
1:02 (62.1 s)
Lock
58%

Build & tuning

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

Build
2026-10-12i — focus jumps only to trusted tele points; rate-steered setpoint; bias learned only when still
Commit
68739f5+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
30.8 MB · 62.5 s · offset -1.8 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