UAL59 United
Boeing 777 224ER · N78003 · FRA → SFO
· 1:35Quality 88lost lockside-on
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −70%). 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
- 83%
- First lockfrom target selected
- 6.1 s
- Centring, medianaz / el while locked
- 0.13° / 0.19°
- Centring, 90th pctaz / el while locked
- 0.43° / 1.20°
- Tightest field of viewhorizontal
- 3.6°
- Time to 8°from first lock
- 4.0 s
- Time to tightestfrom first lock
- —
- Time at telefield of view ≤ 5.5°
- 78.2 s
- Jitter at teleaz / el, standard deviation
- 0.16° / 0.41°
- Swing at teleaz / el, peak to peak
- 1.26° / 2.15°
- Pan reversalsper 10 s at tele
- 0.0
- Largest pan hopin any 1 s at tele
- 20.61°
- Largest tilt hopin any 1 s at tele
- 1.20°
- Pose error, mediancommand vs camera
- 0.66°
- Largest correctionvision vs prediction
- 1.35°
- Zoom steps
- 17
Aircraft & route
- Flight
- UAL59
- Registration
- N78003
- Type
- Boeing 777 224ER
- Airline
- United
- From
- FRA · Frankfurt am Main
- To
- SFO · San Francisco
- Ground speed
- 284 kt
- Altitude at closest
- 11,025 ft
- Vertical rate
- -1,856 ft/min
- Category
- A5
- ICAO hex
- aa92fa
Pass geometry
- Max elevation
- 22.4°
- Elevation at start → end
- 19.5° → 13.8°
- Azimuth at start → end
- 341° NNW → 63° ENE
- Closest-approach azimuth
- 6° N
- Minimum slant range
- 8.7 km
- Heading at closest
- 107° ESE
- Aspect at closest
- side-on (79°)
- Turn
- straight (0°)
- Departure
- No
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 1:35 (95.2 s)
- Lock
- 83%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-15r — keep the target past the sun; paced speed re-latch
- Commit
- 05024bb
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 47.2 MB · 94.3 s · offset -0.9 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
- -0.21
- 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