ASA1457 Alaska
Boeing 737-9 · N903AK · SFO → ?
· 2:06Quality 72lost lockside-onturned left 43°Dead-zone wrap
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
- 59%
- First lockfrom target selected
- 8.0 s
- Centring, medianaz / el while locked
- 0.12° / 0.10°
- Centring, 90th pctaz / el while locked
- 0.29° / 0.56°
- Tightest field of viewhorizontal
- 4.1°
- Time to 8°from first lock
- 2.4 s
- Time to tightestfrom first lock
- 5.0 s
- Time at telefield of view ≤ 5.5°
- 81.9 s
- Jitter at teleaz / el, standard deviation
- 0.19° / 0.31°
- Swing at teleaz / el, peak to peak
- 1.10° / 1.83°
- Pan reversalsper 10 s at tele
- 0.1
- Largest pan hopin any 1 s at tele
- 2.20°
- Largest tilt hopin any 1 s at tele
- 1.23°
- Pose error, mediancommand vs camera
- 0.63°
- Largest correctionvision vs prediction
- 2.23°
- Zoom steps
- 55
Aircraft & route
- Flight
- ASA1457
- Registration
- N903AK
- Type
- Boeing 737-9
- Airline
- Alaska
- From
- SFO
- To
- —
- Ground speed
- 296 kt
- Altitude at closest
- 8,825 ft
- Vertical rate
- +3,264 ft/min
- Category
- A3
- ICAO hex
- ac7a5b
Pass geometry
- Max elevation
- 25.7°
- Elevation at start → end
- 25.3° → 13.1°
- Azimuth at start → end
- 263° W → 165° SSE
- Closest-approach azimuth
- 252° WSW
- Minimum slant range
- 6.1 km
- Heading at closest
- 177° S
- Aspect at closest
- side-on (75°)
- Turn
- turned left 43°
- Departure
- Yes — climbing out after take-off
- Zenith pass
- No
- Dead-zone wrap
- Yes — pan pre-positioned across the stop
- Duration
- 2:06 (126.1 s)
- Lock
- 59%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-15t — vertical rate falls back to geom_rate (server)
- Commit
- 218644c
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 62.5 MB · 125.6 s · offset -1.7 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
- -0.03
- 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