SKW5433 SkyWest
Embraer EMB-175 LL · N621UX · SFO → ?
· 0:36Quality 89side-onturned left 27°
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −71%). 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
- 88%
- First lockfrom target selected
- 4.5 s
- Centring, medianaz / el while locked
- 0.17° / 0.18°
- Centring, 90th pctaz / el while locked
- 1.18° / 0.71°
- Tightest field of viewhorizontal
- 4.1°
- Time to 8°from first lock
- 7.1 s
- Time to tightestfrom first lock
- 10.8 s
- Time at telefield of view ≤ 5.5°
- 20.9 s
- Jitter at teleaz / el, standard deviation
- 0.14° / 0.24°
- Swing at teleaz / el, peak to peak
- 0.69° / 1.07°
- Pan reversalsper 10 s at tele
- 0.0
- Largest pan hopin any 1 s at tele
- 1.90°
- Largest tilt hopin any 1 s at tele
- 1.70°
- Pose error, mediancommand vs camera
- 0.91°
- Largest correctionvision vs prediction
- 1.33°
- Zoom steps
- 36
Aircraft & route
- Flight
- SKW5433
- Registration
- N621UX
- Type
- Embraer EMB-175 LL
- Airline
- SkyWest
- From
- SFO
- To
- —
- Ground speed
- 290 kt
- Altitude at closest
- 7,400 ft
- Vertical rate
- +2,560 ft/min
- Category
- A3
- ICAO hex
- a81bcc
Pass geometry
- Max elevation
- 18.4°
- Elevation at start → end
- 16.8° → 18.4°
- Azimuth at start → end
- 297° WNW → 252° WSW
- Closest-approach azimuth
- 254° WSW
- Minimum slant range
- 6.5 km
- Heading at closest
- 178° S
- Aspect at closest
- side-on (77°)
- Turn
- turned left 27°
- Departure
- Yes — climbing out after take-off
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 0:36 (35.5 s)
- Lock
- 88%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-14n — vision skyline mask 31x cheaper (loop back to ~15 Hz)
- Commit
- af2a83e
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 16.0 MB · 32.6 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
- -0.16
- 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