JSX653 JSX Air
Embraer ERJ-135 LR · N254JX · OAK → LAS
· 1:42Quality 77wrap pinnedside-onturned left 18°Dead-zone wrap
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −56%). Download
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
- 51%
- First lockfrom target selected
- 11.0 s
- Centring, medianaz / el while locked
- 0.40° / 0.28°
- Centring, 90th pctaz / el while locked
- 1.27° / 1.11°
- Tightest field of viewhorizontal
- 5.0°
- Time to 8°from first lock
- 16.0 s
- Time to tightestfrom first lock
- 19.2 s
- Time at telefield of view ≤ 5.5°
- 7.1 s
- Jitter at teleaz / el, standard deviation
- 0.78° / 0.28°
- Swing at teleaz / el, peak to peak
- 2.71° / 1.14°
- Pan reversalsper 10 s at tele
- 2.8
- Largest pan hopin any 1 s at tele
- 2.30°
- Largest tilt hopin any 1 s at tele
- 2.37°
- Pose error, mediancommand vs camera
- 1.09°
- Largest correctionvision vs prediction
- 1.15°
- Zoom steps
- 85
Aircraft & route
- Flight
- JSX653
- Registration
- N254JX
- Type
- Embraer ERJ-135 LR
- Airline
- JSX Air
- From
- OAK · Oakland
- To
- LAS · Las Vegas
- Ground speed
- 331 kt
- Altitude at closest
- 10,750 ft
- Vertical rate
- +1,344 ft/min
- Category
- A2
- ICAO hex
- a26738
Pass geometry
- Max elevation
- 59.0°
- Elevation at start → end
- 20.0° → 21.9°
- Azimuth at start → end
- 358° N → 188° S
- Closest-approach azimuth
- 271° W
- Minimum slant range
- 3.8 km
- Heading at closest
- 186° S
- Aspect at closest
- side-on (85°)
- Turn
- turned left 18°
- Departure
- Yes — climbing out after take-off
- Zenith pass
- No
- Dead-zone wrap
- Yes — pan pre-positioned across the stop
- Duration
- 1:42 (102.2 s)
- Lock
- 51%
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
- 51.0 MB · 102.0 s · offset -1.6 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