VIR19Z Virgin Atlantic
· 1:27Quality 88lost lockside-on
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −83%). 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
- 77%
- First lockfrom target selected
- 6.9 s
- Centring, medianaz / el while locked
- 0.52° / 0.12°
- Centring, 90th pctaz / el while locked
- 1.21° / 0.33°
- Tightest field of viewhorizontal
- 3.7°
- Time to 8°from first lock
- 10.3 s
- Time to tightestfrom first lock
- —
- Time at telefield of view ≤ 5.5°
- 43.5 s
- Jitter at teleaz / el, standard deviation
- 0.45° / 0.15°
- Swing at teleaz / el, peak to peak
- 1.82° / 0.76°
- Pan reversalsper 10 s at tele
- 0.0
- Largest pan hopin any 1 s at tele
- 2.29°
- Largest tilt hopin any 1 s at tele
- 0.89°
- Pose error, mediancommand vs camera
- 0.70°
- Largest correctionvision vs prediction
- 0.68°
- Zoom steps
- 45
Aircraft & route
- Flight
- VIR19Z
- Registration
- —
- Type
- —
- Airline
- Virgin Atlantic
- From
- —
- To
- —
- Ground speed
- 262 kt
- Altitude at closest
- 10,650 ft
- Vertical rate
- -2,368 ft/min
- Category
- A5
- ICAO hex
- 4077d4
Pass geometry
- Max elevation
- 23.2°
- Elevation at start → end
- 20.4° → 15.7°
- Azimuth at start → end
- 343° NNW → 60° ENE
- Closest-approach azimuth
- 6° N
- Minimum slant range
- 7.9 km
- Heading at closest
- 111° ESE
- Aspect at closest
- side-on (75°)
- Turn
- straight (0°)
- Departure
- No
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 1:27 (87.1 s)
- Lock
- 77%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-14i — zoom sigma grows after lock loss (0.1°/s)
- Commit
- 181d1fa+wip
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 43.5 MB · 87.0 s · offset -1.4 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
- 0.59
- 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