UAL195 United
Boeing 777 224ER · N77019 · MUC → SFO
· 1:02Quality 81lost lockside-on
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −68%). 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
- 73%
- First lockfrom target selected
- 3.8 s
- Centring, medianaz / el while locked
- 0.13° / 0.17°
- Centring, 90th pctaz / el while locked
- 0.69° / 0.56°
- Tightest field of viewhorizontal
- 3.4°
- Time to 8°from first lock
- 0.0 s
- Time to tightestfrom first lock
- 46.9 s
- Time at telefield of view ≤ 5.5°
- 49.6 s
- Jitter at teleaz / el, standard deviation
- 0.22° / 0.22°
- Swing at teleaz / el, peak to peak
- 1.21° / 1.24°
- Pan reversalsper 10 s at tele
- 0.6
- Largest pan hopin any 1 s at tele
- 1.70°
- Largest tilt hopin any 1 s at tele
- 1.34°
- Pose error, mediancommand vs camera
- 0.52°
- Largest correctionvision vs prediction
- 1.36°
- Zoom steps
- 17
Aircraft & route
- Flight
- UAL195
- Registration
- N77019
- Type
- Boeing 777 224ER
- Airline
- United
- From
- MUC · Munich
- To
- SFO · San Francisco
- Ground speed
- 286 kt
- Altitude at closest
- 10,225 ft
- Vertical rate
- -512 ft/min
- Category
- A5
- ICAO hex
- aa6ba4
Pass geometry
- Max elevation
- 25.6°
- Elevation at start → end
- 25.6° → 13.8°
- Azimuth at start → end
- 29° NNE → 76° ENE
- Closest-approach azimuth
- 29° NNE
- Minimum slant range
- 7.2 km
- Heading at closest
- 110° ESE
- Aspect at closest
- side-on (81°)
- Turn
- straight (0°)
- Departure
- No
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 1:02 (62.0 s)
- Lock
- 73%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-15q — drive speed latched at the lens position; measured speed bytes only; auto-cal keeps gains
- Commit
- 44f2d6a
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 29.2 MB · 59.5 s · offset -1.3 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
- -0.27
- 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