skylight.

SKW5577 SkyWest

Embraer EMB-175 LR · N206SY

· 1:19Quality 87side-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
75%
First lockfrom target selected
12.1 s
Centring, medianaz / el while locked
0.34° / 0.14°
Centring, 90th pctaz / el while locked
1.72° / 0.38°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
10.6 s
Time to tightestfrom first lock
—
Time at telefield of view ≤ 5.5°
31.1 s
Jitter at teleaz / el, standard deviation
0.37° / 0.15°
Swing at teleaz / el, peak to peak
1.82° / 0.70°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
2.48°
Largest tilt hopin any 1 s at tele
0.89°
Pose error, mediancommand vs camera
0.71°
Largest correctionvision vs prediction
2.30°
Zoom steps
32

Aircraft & route

Flight
SKW5577
Registration
N206SY
Type
Embraer EMB-175 LR
Airline
SkyWest
From
—
To
—
Ground speed
255 kt
Altitude at closest
11,000 ft
Vertical rate
-1,536 ft/min
Category
A3
ICAO hex
a1a9f4

Pass geometry

Max elevation
24.0°
Elevation at start → end
21.2° → 17.6°
Azimuth at start → end
353° N → 62° ENE
Closest-approach azimuth
17° NNE
Minimum slant range
8.1 km
Heading at closest
116° ESE
Aspect at closest
side-on (82°)
Turn
straight (0°)
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
1:19 (79.4 s)
Lock
75%

Build & tuning

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

Build
2026-10-13j — full 3.4 deg tele for slow planes (limit only above 0.5 deg/s)
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
35.6 MB · 71.7 s · offset -1.3 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