ASA680 Alaska
Boeing 737-9 · N990AK
· 1:52Quality 87lost lockside-onturned 25°
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −79%). 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
- 89%
- First lockfrom target selected
- 5.7 s
- Centring, medianaz / el while locked
- 0.11° / 0.11°
- Centring, 90th pctaz / el while locked
- 0.48° / 0.37°
- Tightest field of viewhorizontal
- 3.4°
- Time to 8°from first lock
- 7.1 s
- Time to tightestfrom first lock
- 62.4 s
- Time at telefield of view ≤ 5.5°
- 80.1 s
- Jitter at teleaz / el, standard deviation
- 0.16° / 0.15°
- Swing at teleaz / el, peak to peak
- 1.02° / 0.86°
- Pan reversalsper 10 s at tele
- 0.5
- Largest pan hopin any 1 s at tele
- 3.71°
- Largest tilt hopin any 1 s at tele
- 1.57°
- Pose error, mediancommand vs camera
- 0.53°
- Largest correctionvision vs prediction
- 1.15°
- Zoom steps
- 54
Aircraft & route
- Flight
- ASA680
- Registration
- N990AK
- Type
- Boeing 737-9
- Airline
- Alaska
- From
- —
- To
- —
- Ground speed
- 298 kt
- Altitude at closest
- 11,325 ft
- Vertical rate
- -1,344 ft/min
- Category
- A3
- ICAO hex
- add2ad
Pass geometry
- Max elevation
- 69.9°
- Elevation at start → end
- 56.6° → 11.3°
- Azimuth at start → end
- 353° N → 145° 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 25°
- Departure
- No
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 1:52 (112.2 s)
- Lock
- 89%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-16g — A/B lockFirst (mount prior on)
- Commit
- 9bdc356
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 56.0 MB · 112.0 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
- -0.11
- 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