VIR20V Virgin Atlantic
Airbus A350 1041 · G-VJAM · SFO → LHR
· 1:25Quality 80side-on
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −77%). 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
- 66%
- First lockfrom target selected
- 7.5 s
- Centring, medianaz / el while locked
- 0.51° / 0.45°
- Centring, 90th pctaz / el while locked
- 2.75° / 6.32°
- Tightest field of viewhorizontal
- 5.0°
- Time to 8°from first lock
- 59.2 s
- Time to tightestfrom first lock
- 65.9 s
- Time at telefield of view ≤ 5.5°
- 6.5 s
- Jitter at teleaz / el, standard deviation
- 0.24° / 0.11°
- Swing at teleaz / el, peak to peak
- 1.00° / 0.40°
- Pan reversalsper 10 s at tele
- 3.1
- Largest pan hopin any 1 s at tele
- 1.27°
- Largest tilt hopin any 1 s at tele
- 0.91°
- Pose error, mediancommand vs camera
- 0.88°
- Largest correctionvision vs prediction
- 1.91°
- Zoom steps
- 31
Aircraft & route
- Flight
- VIR20V
- Registration
- G-VJAM
- Type
- Airbus A350 1041
- Airline
- Virgin Atlantic
- From
- SFO · San Francisco
- To
- LHR · London
- Ground speed
- 163 kt
- Altitude at closest
- 1,600 ft
- Vertical rate
- +1,664 ft/min
- Category
- A5
- ICAO hex
- 407698
Pass geometry
- Max elevation
- 74.1°
- Elevation at start → end
- 1.5° → 13.7°
- Azimuth at start → end
- 116° ESE → 299° WNW
- Closest-approach azimuth
- 18° NNE
- Minimum slant range
- 531 m
- Heading at closest
- 298° WNW
- Aspect at closest
- side-on (80°)
- Turn
- straight (2°)
- Departure
- Yes — climbing out after take-off
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 1:25 (84.5 s)
- Lock
- 66%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-13k — centred plane + noisy motion check no longer demotes the zoom
- Commit
- 181d1fa+wip
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 42.5 MB · 85.0 s · offset -1.3 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