SIS869
· 1:27Quality 90nose/tail
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 —
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
- 88%
- First lockfrom target selected
- 5.6 s
- Centring, medianaz / el while locked
- 0.13° / 0.18°
- Centring, 90th pctaz / el while locked
- 0.65° / 0.70°
- Tightest field of viewhorizontal
- 3.4°
- Time to 8°from first lock
- 10.1 s
- Time to tightestfrom first lock
- 59.7 s
- Time at telefield of view ≤ 5.5°
- 56.9 s
- Jitter at teleaz / el, standard deviation
- 0.21° / 0.27°
- Swing at teleaz / el, peak to peak
- 1.52° / 1.41°
- Pan reversalsper 10 s at tele
- 1.8
- Largest pan hopin any 1 s at tele
- 7.64°
- Largest tilt hopin any 1 s at tele
- 5.75°
- Pose error, mediancommand vs camera
- 0.59°
- Largest correctionvision vs prediction
- 1.17°
- Zoom steps
- 61
Aircraft & route
- Flight
- SIS869
- Registration
- —
- Type
- —
- Airline
- —
- From
- —
- To
- —
- Ground speed
- 278 kt
- Altitude at closest
- 6,175 ft
- Vertical rate
- —
- Category
- A2
- ICAO hex
- abf16e
Pass geometry
- Max elevation
- 88.7°
- Elevation at start → end
- 26.9° → 12.2°
- Azimuth at start → end
- 15° NNE → 194° SSW
- Closest-approach azimuth
- 103° ESE
- Minimum slant range
- 1.9 km
- Heading at closest
- 194° SSW
- Aspect at closest
- nose/tail (3°)
- Turn
- straight (0°)
- Departure
- No
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 1:27 (87.1 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
- 43.5 MB · 87.0 s · offset -1.4 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