EJA819 NetJets
Textron Aviation Citation Longitude · N819QS · SFO → ?
· 1:31Quality 81side-onDead-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
- 70%
- First lockfrom target selected
- 5.2 s
- Centring, medianaz / el while locked
- 0.09° / 0.12°
- Centring, 90th pctaz / el while locked
- 0.24° / 0.39°
- Tightest field of viewhorizontal
- 4.1°
- Time to 8°from first lock
- 10.3 s
- Time to tightestfrom first lock
- 14.8 s
- Time at telefield of view ≤ 5.5°
- 63.6 s
- Jitter at teleaz / el, standard deviation
- 0.14° / 0.20°
- Swing at teleaz / el, peak to peak
- 1.80° / 1.29°
- Pan reversalsper 10 s at tele
- 0.2
- Largest pan hopin any 1 s at tele
- 13.26°
- Largest tilt hopin any 1 s at tele
- 1.04°
- Pose error, mediancommand vs camera
- 0.58°
- Largest correctionvision vs prediction
- 1.27°
- Zoom steps
- 39
Aircraft & route
- Flight
- EJA819
- Registration
- N819QS
- Type
- Textron Aviation Citation Longitude
- Airline
- NetJets
- From
- SFO
- To
- —
- Ground speed
- 346 kt
- Altitude at closest
- 13,675 ft
- Vertical rate
- +3,072 ft/min
- Category
- A2
- ICAO hex
- ab2c3a
Pass geometry
- Max elevation
- 21.2°
- Elevation at start → end
- 18.2° → 16.9°
- Azimuth at start → end
- 237° WSW → 169° S
- Closest-approach azimuth
- 209° SSW
- Minimum slant range
- 11.3 km
- Heading at closest
- 130° SE
- Aspect at closest
- side-on (78°)
- Turn
- straight (0°)
- Departure
- Yes — climbing out after take-off
- Zenith pass
- No
- Dead-zone wrap
- Yes — pan pre-positioned across the stop
- Duration
- 1:31 (91.0 s)
- Lock
- 70%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-16b — silhouette fallback reach 0.8° + multipart uploads
- Commit
- 2ed816b
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 45.1 MB · 91.0 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
- -0.03
- 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