skylight.

JSX177 JSX Air

Embraer ERJ-135 LR · N263JX · OAK → BUR

· 0:13Quality 4no planeshortlost lockclip 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
0%
First lockfrom target selected
—
Centring, medianaz / el while locked
—
Centring, 90th pctaz / el while locked
—
Tightest field of viewhorizontal
8.3°
Time to 8°from first lock
—
Time to tightestfrom first lock
—
Time at telefield of view ≤ 5.5°
0.0 s
Jitter at teleaz / el, standard deviation
—
Swing at teleaz / el, peak to peak
—
Pan reversalsper 10 s at tele
—
Largest pan hopin any 1 s at tele
—
Largest tilt hopin any 1 s at tele
—
Pose error, mediancommand vs camera
0.95°
Largest correctionvision vs prediction
0.85°
Zoom steps
32

Aircraft & route

Flight
JSX177
Registration
N263JX
Type
Embraer ERJ-135 LR
Airline
JSX Air
From
OAK · Oakland
To
BUR · Burbank
Ground speed
298 kt
Altitude at closest
14,025 ft
Vertical rate
+2,624 ft/min
Category
A2
ICAO hex
a28b00

Pass geometry

Max elevation
16.5°
Elevation at start → end
16.5° → 15.9°
Azimuth at start → end
265° W → 259° WSW
Closest-approach azimuth
265° W
Minimum slant range
15.1 km
Heading at closest
208° SSW
Aspect at closest
side-on (57°)
Turn
straight (0°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
0:13 (13.0 s)
Lock
0%

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
7.2 MB · 6.9 s · offset -1.1 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