JSX177 JSX Air
Embraer ERJ-135 LR · N256JX · OAK → BUR
· 1:37Quality 81side-onturned left 48°Dead-zone wrap
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −64%). 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
- 71%
- First lockfrom target selected
- 5.8 s
- Centring, medianaz / el while locked
- 1.24° / 0.35°
- Centring, 90th pctaz / el while locked
- 3.68° / 0.91°
- Tightest field of viewhorizontal
- 4.1°
- Time to 8°from first lock
- 2.9 s
- Time to tightestfrom first lock
- 4.8 s
- Time at telefield of view ≤ 5.5°
- 25.3 s
- Jitter at teleaz / el, standard deviation
- 0.72° / 0.39°
- Swing at teleaz / el, peak to peak
- 2.75° / 1.85°
- Pan reversalsper 10 s at tele
- 0.0
- Largest pan hopin any 1 s at tele
- 4.31°
- Largest tilt hopin any 1 s at tele
- 1.75°
- Pose error, mediancommand vs camera
- 0.96°
- Largest correctionvision vs prediction
- 1.57°
- Zoom steps
- 69
Aircraft & route
- Flight
- JSX177
- Registration
- N256JX
- Type
- Embraer ERJ-135 LR
- Airline
- JSX Air
- From
- OAK · Oakland
- To
- BUR · Burbank
- Ground speed
- 357 kt
- Altitude at closest
- 12,800 ft
- Vertical rate
- +1,792 ft/min
- Category
- A2
- ICAO hex
- a26ea6
Pass geometry
- Max elevation
- 31.1°
- Elevation at start → end
- 21.5° → 25.7°
- Azimuth at start → end
- 320° NW → 187° S
- Closest-approach azimuth
- 232° SW
- Minimum slant range
- 7.4 km
- Heading at closest
- 150° SSE
- Aspect at closest
- side-on (82°)
- Turn
- turned left 48°
- Departure
- Yes — climbing out after take-off
- Zenith pass
- No
- Dead-zone wrap
- Yes — pan pre-positioned across the stop
- Duration
- 1:37 (97.0 s)
- Lock
- 71%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-13k — centred plane + noisy motion check no longer demotes the zoom
- Commit
- 181d1fa+wip
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 48.5 MB · 97.0 s · offset -0.9 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