skylight.

LXJ558 Flexjet

Bombardier BD-100-1A10 · N558FX · SFO → ?

· 1:05Quality 91clip shortside-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
64%
First lockfrom target selected
7.5 s
Centring, medianaz / el while locked
0.76° / 0.42°
Centring, 90th pctaz / el while locked
3.50° / 9.30°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
41.3 s
Time to tightestfrom first lock
57.4 s
Time at telefield of view ≤ 5.5°
15.5 s
Jitter at teleaz / el, standard deviation
0.16° / 0.23°
Swing at teleaz / el, peak to peak
0.69° / 1.36°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
1.39°
Largest tilt hopin any 1 s at tele
2.67°
Pose error, mediancommand vs camera
1.75°
Largest correctionvision vs prediction
3.99°
Zoom steps
70

Aircraft & route

Flight
LXJ558
Registration
N558FX
Type
Bombardier BD-100-1A10 (CL35)
Airline
Flexjet
From
SFO
To
—
Ground speed
229 kt
Altitude at closest
1,725 ft
Vertical rate
+2,816 ft/min
Category
A2
ICAO hex
a71db6

Pass geometry

Max elevation
73.6°
Elevation at start → end
-0.1° → 13.6°
Azimuth at start → end
117° ESE → 300° WNW
Closest-approach azimuth
27° NNE
Minimum slant range
580 m
Heading at closest
298° WNW
Aspect at closest
side-on (89°)
Turn
straight (4°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
1:05 (65.0 s)
Lock
64%

Build & tuning

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

Build
2026-10-16c — mount prior carried to the next target (silhouette reach reverted)
Commit
8649c7d
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
34.4 MB · 33.7 s · offset -1.2 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
-0.1
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