skylight.

SKW3050 SkyWest

Embraer EMB-175 LL · N410SY

· 0:15Quality 40shortlost lockside-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
32%
First lockfrom target selected
8.2 s
Centring, medianaz / el while locked
4.16° / 2.02°
Centring, 90th pctaz / el while locked
7.12° / 4.61°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
4.5 s
Time to tightestfrom first lock
—
Time at telefield of view ≤ 5.5°
2.4 s
Jitter at teleaz / el, standard deviation
—
Swing at teleaz / el, peak to peak
—
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
—
Largest tilt hopin any 1 s at tele
—
Pose error, mediancommand vs camera
2.83°
Largest correctionvision vs prediction
3.90°
Zoom steps
22

Aircraft & route

Flight
SKW3050
Registration
N410SY
Type
Embraer EMB-175 LL
Airline
SkyWest
From
—
To
—
Ground speed
352 kt
Altitude at closest
14,200 ft
Vertical rate
+2,176 ft/min
Category
A3
ICAO hex
a4d5c7

Pass geometry

Max elevation
23.3°
Elevation at start → end
23.3° → 21.6°
Azimuth at start → end
249° WSW → 237° WSW
Closest-approach azimuth
249° WSW
Minimum slant range
11.0 km
Heading at closest
183° S
Aspect at closest
side-on (66°)
Turn
straight (0°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
0:15 (14.8 s)
Lock
32%

Build & tuning

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

Build
2026-10-14i — zoom sigma grows after lock loss (0.1°/s)
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
7.0 MB · 14.0 s · offset -0.9 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
0.59
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