CKK222 China Cargo Airlines
Boeing 777 F · B-221S · LAX → PVG
· 0:52side-on
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −82%). 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
- 74%
- First lockfrom target selected
- 9.5 s
- Centring, medianaz / el while locked
- 0.07° / 0.18°
- Centring, 90th pctaz / el while locked
- 0.20° / 0.45°
- Tightest field of viewhorizontal
- 3.5°
- Time to 8°from first lock
- 3.9 s
- Time to tightestfrom first lock
- 42.3 s
- Time at telefield of view ≤ 5.5°
- 35.2 s
- Jitter at teleaz / el, standard deviation
- 0.10° / 0.15°
- Swing at teleaz / el, peak to peak
- 0.50° / 0.85°
- Pan reversalsper 10 s at tele
- 0.6
- Largest pan hopin any 1 s at tele
- 0.63°
- Largest tilt hopin any 1 s at tele
- 1.79°
- Pose error, mediancommand vs camera
- 0.40°
- Largest correctionvision vs prediction
- 0.91°
- Zoom steps
- 36
Aircraft & route
- Flight
- CKK222
- Registration
- B-221S
- Type
- Boeing 777 F (B77L)
- Airline
- China Cargo Airlines
- From
- LAX · Los Angeles
- To
- PVG · Shanghai (Pudong)
- Ground speed
- 449 kt
- Altitude at closest
- 35,625 ft
- Vertical rate
- +64 ft/min
- Category
- A5
- ICAO hex
- 781d6d
Pass geometry
- Max elevation
- 71.6°
- Elevation at start → end
- 71.6° → 37.5°
- Azimuth at start → end
- 264° W → 311° NW
- Closest-approach azimuth
- 264° W
- Minimum slant range
- 11.5 km
- Heading at closest
- 324° NW
- Aspect at closest
- side-on (60°)
- Turn
- straight (0°)
- Departure
- No
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 0:52 (52.2 s)
- Lock
- 74%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-15r — keep the target past the sun; paced speed re-latch
- Commit
- 05024bb
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 22.1 MB · 51.1 s · offset -0.8 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
- -0.21
- 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