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SKW5936 SkyWest

Embraer EMB-175 LL · N87368 · SFO → ?

· 1:33Quality 92side-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −78%). Download

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
96%
First lockfrom target selected
3.9 s
Centring, medianaz / el while locked
0.09° / 0.12°
Centring, 90th pctaz / el while locked
0.27° / 0.27°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
2.5 s
Time to tightestfrom first lock
81.2 s
Time at telefield of view ≤ 5.5°
80.4 s
Jitter at teleaz / el, standard deviation
0.14° / 0.16°
Swing at teleaz / el, peak to peak
0.99° / 0.92°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
3.58°
Largest tilt hopin any 1 s at tele
2.70°
Pose error, mediancommand vs camera
1.00°
Largest correctionvision vs prediction
1.00°
Zoom steps
15

Aircraft & route

Flight
SKW5936
Registration
N87368
Type
Embraer EMB-175 LL
Airline
SkyWest
From
SFO
To
—
Ground speed
279 kt
Altitude at closest
7,525 ft
Vertical rate
+2,432 ft/min
Category
A3
ICAO hex
ac04c6

Pass geometry

Max elevation
44.5°
Elevation at start → end
19.0° → 20.8°
Azimuth at start → end
344° NNW → 206° SSW
Closest-approach azimuth
275° W
Minimum slant range
3.3 km
Heading at closest
188° S
Aspect at closest
side-on (87°)
Turn
straight (5°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
1:33 (92.6 s)
Lock
96%

Build & tuning

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

Build
2026-10-16g — A/B lockFirst (mount prior on)
Commit
9bdc356
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
46.0 MB · 92.0 s · offset -1.0 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
-0.11
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