ASA1403 Alaska
Boeing 737MAX 9 · N919AK · AUS → SFO
· 1:42Quality 90side-on
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −75%). 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
- 92%
- First lockfrom target selected
- 5.9 s
- Centring, medianaz / el while locked
- 0.13° / 0.13°
- Centring, 90th pctaz / el while locked
- 0.41° / 0.35°
- Tightest field of viewhorizontal
- 4.1°
- Time to 8°from first lock
- 2.3 s
- Time to tightestfrom first lock
- —
- Time at telefield of view ≤ 5.5°
- 83.1 s
- Jitter at teleaz / el, standard deviation
- 0.22° / 0.19°
- Swing at teleaz / el, peak to peak
- 1.50° / 1.24°
- Pan reversalsper 10 s at tele
- 0.0
- Largest pan hopin any 1 s at tele
- 6.80°
- Largest tilt hopin any 1 s at tele
- 3.26°
- Pose error, mediancommand vs camera
- 0.78°
- Largest correctionvision vs prediction
- 1.59°
- Zoom steps
- 20
Aircraft & route
- Flight
- ASA1403
- Registration
- N919AK
- Type
- Boeing 737MAX 9
- Airline
- Alaska
- From
- AUS · Austin
- To
- SFO · San Francisco
- Ground speed
- 299 kt
- Altitude at closest
- 11,450 ft
- Vertical rate
- 0 ft/min
- Category
- A3
- ICAO hex
- acb824
Pass geometry
- Max elevation
- 70.1°
- Elevation at start → end
- 22.5° → 26.8°
- Azimuth at start → end
- 328° NNW → 133° SE
- Closest-approach azimuth
- 50° NE
- Minimum slant range
- 3.7 km
- Heading at closest
- 140° SE
- Aspect at closest
- side-on (90°)
- Turn
- straight (13°)
- Departure
- No
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 1:42 (101.7 s)
- Lock
- 92%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-15p — selection hysteresis; auto-cal drops stale bias
- Commit
- b8aa462
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 49.7 MB · 99.8 s · offset -1.6 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