SWA1275 Southwest Airlines
Boeing 737NG 800/W · N8517F · SFO → ?
· 0:13Quality 40soft focusshortlost lockquartering
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
- 19%
- First lockfrom target selected
- 4.8 s
- Centring, medianaz / el while locked
- 8.95° / 0.67°
- Centring, 90th pctaz / el while locked
- 11.08° / 3.65°
- Tightest field of viewhorizontal
- 6.6°
- Time to 8°from first lock
- —
- Time to tightestfrom first lock
- —
- Time at telefield of view ≤ 5.5°
- 0.0 s
- Jitter at teleaz / el, standard deviation
- —
- Swing at teleaz / el, peak to peak
- —
- Pan reversalsper 10 s at tele
- —
- Largest pan hopin any 1 s at tele
- —
- Largest tilt hopin any 1 s at tele
- —
- Pose error, mediancommand vs camera
- 2.65°
- Largest correctionvision vs prediction
- 0.00°
- Zoom steps
- 23
Aircraft & route
- Flight
- SWA1275
- Registration
- N8517F
- Type
- Boeing 737NG 800/W
- Airline
- Southwest Airlines
- From
- SFO
- To
- —
- Ground speed
- 311 kt
- Altitude at closest
- 11,075 ft
- Vertical rate
- +3,840 ft/min
- Category
- A3
- ICAO hex
- abae62
Pass geometry
- Max elevation
- 18.3°
- Elevation at start → end
- 18.3° → 17.1°
- Azimuth at start → end
- 237° WSW → 231° SW
- Closest-approach azimuth
- 237° WSW
- Minimum slant range
- 10.9 km
- Heading at closest
- 195° SSW
- Aspect at closest
- quartering (42°)
- Turn
- straight (0°)
- Departure
- Yes — climbing out after take-off
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 0:13 (12.5 s)
- Lock
- 19%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-14n — vision skyline mask 31x cheaper (loop back to ~15 Hz)
- Commit
- af2a83e
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 6.5 MB · 13.0 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
- -0.16
- 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