ASA528 Alaska
Boeing 737NG 990ER/W · N264AK
· 2:10Quality 90side-onturned 27°
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −78%). 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
- 95%
- First lockfrom target selected
- 4.1 s
- Centring, medianaz / el while locked
- 0.13° / 0.12°
- Centring, 90th pctaz / el while locked
- 0.28° / 0.33°
- Tightest field of viewhorizontal
- 3.4°
- Time to 8°from first lock
- 3.9 s
- Time to tightestfrom first lock
- 87.0 s
- Time at telefield of view ≤ 5.5°
- 112.0 s
- Jitter at teleaz / el, standard deviation
- 0.17° / 0.19°
- Swing at teleaz / el, peak to peak
- 1.16° / 1.20°
- Pan reversalsper 10 s at tele
- 0.0
- Largest pan hopin any 1 s at tele
- 5.08°
- Largest tilt hopin any 1 s at tele
- 3.13°
- Pose error, mediancommand vs camera
- 0.55°
- Largest correctionvision vs prediction
- 1.14°
- Zoom steps
- 21
Aircraft & route
- Flight
- ASA528
- Registration
- N264AK
- Type
- Boeing 737NG 990ER/W
- Airline
- Alaska
- From
- —
- To
- —
- Ground speed
- 258 kt
- Altitude at closest
- 11,375 ft
- Vertical rate
- +64 ft/min
- Category
- A3
- ICAO hex
- a28de3
Pass geometry
- Max elevation
- 70.3°
- Elevation at start → end
- 38.1° → 12.7°
- Azimuth at start → end
- 337° NNW → 144° SE
- Closest-approach azimuth
- 49° NE
- Minimum slant range
- 3.7 km
- Heading at closest
- 140° SE
- Aspect at closest
- side-on (89°)
- Turn
- turned 27°
- Departure
- No
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 2:10 (129.8 s)
- Lock
- 95%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-15o — sun keep-out by the frame; no video, no pass
- Commit
- cb31ea0
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 62.6 MB · 128.3 s · offset -1.8 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