SKW5440 SkyWest
Embraer EMB-175 LL · N86375 · SFO → ?
· 1:45Quality 96side-on
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −72%). Download
Trace
Where the aircraft sat in the frame, second by second. Click the chart to jump the video there.
—FOV —az —el —pose —
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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
- 91%
- First lockfrom target selected
- 5.6 s
- Centring, medianaz / el while locked
- 0.15° / 0.14°
- Centring, 90th pctaz / el while locked
- 0.71° / 0.61°
- Tightest field of viewhorizontal
- 3.4°
- Time to 8°from first lock
- 12.6 s
- Time to tightestfrom first lock
- 68.6 s
- Time at telefield of view ≤ 5.5°
- 80.4 s
- Jitter at teleaz / el, standard deviation
- 0.23° / 0.21°
- Swing at teleaz / el, peak to peak
- 3.12° / 1.42°
- Pan reversalsper 10 s at tele
- 0.1
- Largest pan hopin any 1 s at tele
- 3.89°
- Largest tilt hopin any 1 s at tele
- 2.83°
- Pose error, mediancommand vs camera
- 0.82°
- Largest correctionvision vs prediction
- 3.64°
- Zoom steps
- 19
Aircraft & route
- Flight
- SKW5440
- Registration
- N86375
- Type
- Embraer EMB-175 LL
- Airline
- SkyWest
- From
- SFO
- To
- —
- Ground speed
- 292 kt
- Altitude at closest
- 6,925 ft
- Vertical rate
- +2,176 ft/min
- Category
- A3
- ICAO hex
- abdd67
Pass geometry
- Max elevation
- 40.5°
- Elevation at start → end
- 18.7° → 14.4°
- Azimuth at start → end
- 332° NNW → 202° SSW
- Closest-approach azimuth
- 271° W
- Minimum slant range
- 3.3 km
- Heading at closest
- 186° S
- Aspect at closest
- side-on (85°)
- Turn
- straight (13°)
- Departure
- Yes — climbing out after take-off
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 1:45 (105.3 s)
- Lock
- 91%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-15r — keep the target past the sun; paced speed re-latch
- Commit
- 05024bb
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 47.7 MB · 99.9 s · offset 1.7 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
- -0.27
- 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