skylight.

N143MW

Bombardier Global Express · N143MW

· 1:39Quality 75nose/tailturned 18°

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
25.6 s
Centring, medianaz / el while locked
0.21° / 0.24°
Centring, 90th pctaz / el while locked
0.98° / 1.01°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
15.0 s
Time to tightestfrom first lock
26.8 s
Time at telefield of view ≤ 5.5°
40.2 s
Jitter at teleaz / el, standard deviation
0.19° / 0.38°
Swing at teleaz / el, peak to peak
0.76° / 1.95°
Pan reversalsper 10 s at tele
1.5
Largest pan hopin any 1 s at tele
0.68°
Largest tilt hopin any 1 s at tele
1.11°
Pose error, mediancommand vs camera
0.56°
Largest correctionvision vs prediction
0.85°
Zoom steps
57

Aircraft & route

Flight
N143MW
Registration
N143MW
Type
Bombardier Global Express (GLEX)
Airline
—
From
—
To
—
Ground speed
199 kt
Altitude at closest
1,250 ft
Vertical rate
+3,200 ft/min
Category
A3
ICAO hex
a0aefd

Pass geometry

Max elevation
89.7°
Elevation at start → end
0.8° → 12.3°
Azimuth at start → end
116° ESE → 295° WNW
Closest-approach azimuth
141° SE
Minimum slant range
407 m
Heading at closest
297° WNW
Aspect at closest
nose/tail (2°)
Turn
turned 18°
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
1:39 (98.6 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
2026-10-15t — vertical rate falls back to geom_rate (server)
Commit
218644c
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
46.3 MB · 97.1 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