SKW5597 SkyWest
Embraer EMB-175 LR · N156SY · SFO → ?
· 1:28Quality 79side-onturned 55°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
- 61%
- First lockfrom target selected
- 10.7 s
- Centring, medianaz / el while locked
- 0.46° / 0.23°
- Centring, 90th pctaz / el while locked
- 4.34° / 1.62°
- Tightest field of viewhorizontal
- 3.4°
- Time to 8°from first lock
- 5.4 s
- Time to tightestfrom first lock
- 64.9 s
- Time at telefield of view ≤ 5.5°
- 14.1 s
- Jitter at teleaz / el, standard deviation
- 0.27° / 0.24°
- Swing at teleaz / el, peak to peak
- 1.03° / 1.09°
- Pan reversalsper 10 s at tele
- 0.0
- Largest pan hopin any 1 s at tele
- 2.05°
- Largest tilt hopin any 1 s at tele
- 3.26°
- Pose error, mediancommand vs camera
- 1.03°
- Largest correctionvision vs prediction
- 1.06°
- Zoom steps
- 54
Aircraft & route
- Flight
- SKW5597
- Registration
- N156SY
- Type
- Embraer EMB-175 LR
- Airline
- SkyWest
- From
- SFO
- To
- —
- Ground speed
- 287 kt
- Altitude at closest
- 7,300 ft
- Vertical rate
- +2,624 ft/min
- Category
- A3
- ICAO hex
- a0e220
Pass geometry
- Max elevation
- 47.3°
- Elevation at start → end
- 18.6° → 17.7°
- Azimuth at start → end
- 329° NNW → 205° SSW
- Closest-approach azimuth
- 266° W
- Minimum slant range
- 3.1 km
- Heading at closest
- 176° S
- Aspect at closest
- side-on (90°)
- Turn
- turned 55°
- Departure
- Yes — climbing out after take-off
- Zenith pass
- No
- Dead-zone wrap
- Yes — pan pre-positioned across the stop
- Duration
- 1:28 (88.3 s)
- Lock
- 61%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-13j — full 3.4 deg tele for slow planes (limit only above 0.5 deg/s)
- Commit
- 181d1fa+wip
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 44.0 MB · 88.0 s · offset -1.1 s
- pursuit
- velocity
- maxLeadSec
- 3
- panLatencySec
- 0.6
- tiltLatencySec
- 0.4
- rippleDeg
- 0.5
- rippleTeleDeg
- 0.25
- rateFloorDegPerDps
- 2.5
- rateFloorMaxDeg
- 12
- lockedSigmaDeg
- 0.35
- 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