ANA108 All Nippon Airways
Boeing 777 381ER · JA791A · HND → SFO
· 1:15Quality 85lost lockside-onturned left 20°
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
- 76%
- First lockfrom target selected
- 6.2 s
- Centring, medianaz / el while locked
- 0.12° / 0.23°
- Centring, 90th pctaz / el while locked
- 0.32° / 2.27°
- Tightest field of viewhorizontal
- 4.1°
- Time to 8°from first lock
- 6.6 s
- Time to tightestfrom first lock
- 8.6 s
- Time at telefield of view ≤ 5.5°
- 40.7 s
- Jitter at teleaz / el, standard deviation
- 0.13° / 0.29°
- Swing at teleaz / el, peak to peak
- 0.74° / 1.49°
- Pan reversalsper 10 s at tele
- 0.0
- Largest pan hopin any 1 s at tele
- 2.06°
- Largest tilt hopin any 1 s at tele
- 1.05°
- Pose error, mediancommand vs camera
- 0.88°
- Largest correctionvision vs prediction
- 0.70°
- Zoom steps
- 39
Aircraft & route
- Flight
- ANA108
- Registration
- JA791A
- Type
- Boeing 777 381ER
- Airline
- All Nippon Airways
- From
- HND · Tokyo
- To
- SFO · San Francisco
- Ground speed
- 282 kt
- Altitude at closest
- 11,500 ft
- Vertical rate
- -64 ft/min
- Category
- A5
- ICAO hex
- 8694d8
Pass geometry
- Max elevation
- 29.2°
- Elevation at start → end
- 17.8° → 27.8°
- Azimuth at start → end
- 327° NNW → 40° NE
- Closest-approach azimuth
- 20° NNE
- Minimum slant range
- 7.2 km
- Heading at closest
- 110° ESE
- Aspect at closest
- side-on (89°)
- Turn
- turned left 20°
- Departure
- No
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 1:15 (74.6 s)
- Lock
- 76%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-15s — bias fold follows a ramp; no pass below the skyline
- Commit
- cdd2256
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 37.0 MB · 74.0 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
- -0.16
- 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