JSX655 JSX Air
Embraer ERJ-135 LR · N257JX · OAK → LAS
· 0:57Quality 96side-on
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
- 93%
- First lockfrom target selected
- 4.0 s
- Centring, medianaz / el while locked
- 0.28° / 0.22°
- Centring, 90th pctaz / el while locked
- 0.72° / 0.65°
- Tightest field of viewhorizontal
- 4.1°
- Time to 8°from first lock
- 4.0 s
- Time to tightestfrom first lock
- 6.1 s
- Time at telefield of view ≤ 5.5°
- 35.1 s
- Jitter at teleaz / el, standard deviation
- 0.37° / 0.29°
- Swing at teleaz / el, peak to peak
- 1.47° / 2.10°
- Pan reversalsper 10 s at tele
- 0.0
- Largest pan hopin any 1 s at tele
- 10.88°
- Largest tilt hopin any 1 s at tele
- 4.28°
- Pose error, mediancommand vs camera
- 1.23°
- Largest correctionvision vs prediction
- 3.40°
- Zoom steps
- 40
Aircraft & route
- Flight
- JSX655
- Registration
- N257JX
- Type
- Embraer ERJ-135 LR
- Airline
- JSX Air
- From
- OAK · Oakland
- To
- LAS · Las Vegas
- Ground speed
- 309 kt
- Altitude at closest
- 10,425 ft
- Vertical rate
- +1,152 ft/min
- Category
- A2
- ICAO hex
- a2725d
Pass geometry
- Max elevation
- 76.8°
- Elevation at start → end
- 38.7° → 33.2°
- Azimuth at start → end
- 346° NNW → 185° S
- Closest-approach azimuth
- 267° W
- Minimum slant range
- 3.3 km
- Heading at closest
- 177° S
- Aspect at closest
- side-on (90°)
- Turn
- straight (0°)
- Departure
- Yes — climbing out after take-off
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 0:57 (56.6 s)
- Lock
- 93%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-15p — selection hysteresis; auto-cal drops stale bias
- Commit
- b8aa462
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 27.6 MB · 55.9 s · offset -1.2 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