LXJ438 Flexjet
Embraer Praetor 500 · N438FX · SFO → ?
· 0:19Quality 53lost lockside-onturned left 16°
Trace
Where the aircraft sat in the frame, second by second. Click the chart to jump the video there.
—FOV —az —el —pose —
Loading telemetry…
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
- 0%
- First lockfrom target selected
- —
- Centring, medianaz / el while locked
- —
- Centring, 90th pctaz / el while locked
- —
- Tightest field of viewhorizontal
- 4.1°
- Time to 8°from first lock
- —
- Time to tightestfrom first lock
- —
- Time at telefield of view ≤ 5.5°
- 1.0 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
- 1.08°
- Largest correctionvision vs prediction
- 0.00°
- Zoom steps
- 17
Aircraft & route
- Flight
- LXJ438
- Registration
- N438FX
- Type
- Embraer Praetor 500
- Airline
- Flexjet
- From
- SFO
- To
- —
- Ground speed
- 314 kt
- Altitude at closest
- 9,375 ft
- Vertical rate
- —
- Category
- A2
- ICAO hex
- a54169
Pass geometry
- Max elevation
- 20.8°
- Elevation at start → end
- 17.2° → 20.8°
- Azimuth at start → end
- 278° W → 256° WSW
- Closest-approach azimuth
- 256° WSW
- Minimum slant range
- 8.0 km
- Heading at closest
- 162° SSE
- Aspect at closest
- side-on (86°)
- Turn
- turned left 16°
- Departure
- Yes — climbing out after take-off
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 0:19 (19.1 s)
- Lock
- 0%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-12i — focus jumps only to trusted tele points; rate-steered setpoint; bias learned only when still
- Commit
- 68739f5+wip
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 8.7 MB · 17.9 s · offset -1.1 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