EJA819 NetJets
Textron Aviation Citation Longitude · N819QS · SFO → ?
· 1:16Quality 79lost lockside-on
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −69%). 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
- 54%
- First lockfrom target selected
- 7.8 s
- Centring, medianaz / el while locked
- 0.22° / 0.51°
- Centring, 90th pctaz / el while locked
- 1.73° / 2.18°
- Tightest field of viewhorizontal
- 3.4°
- Time to 8°from first lock
- 30.1 s
- Time to tightestfrom first lock
- 49.5 s
- Time at telefield of view ≤ 5.5°
- 30.2 s
- Jitter at teleaz / el, standard deviation
- 0.22° / 0.36°
- Swing at teleaz / el, peak to peak
- 1.57° / 1.58°
- Pan reversalsper 10 s at tele
- 2.6
- Largest pan hopin any 1 s at tele
- 2.16°
- Largest tilt hopin any 1 s at tele
- 3.12°
- Pose error, mediancommand vs camera
- 0.82°
- Largest correctionvision vs prediction
- 2.24°
- Zoom steps
- 62
Aircraft & route
- Flight
- EJA819
- Registration
- N819QS
- Type
- Textron Aviation Citation Longitude
- Airline
- NetJets
- From
- SFO
- To
- —
- Ground speed
- 210 kt
- Altitude at closest
- 1,600 ft
- Vertical rate
- +3,072 ft/min
- Category
- A2
- ICAO hex
- ab2c3a
Pass geometry
- Max elevation
- 78.7°
- Elevation at start → end
- 2.2° → 12.1°
- Azimuth at start → end
- 116° ESE → 298° WNW
- Closest-approach azimuth
- 18° NNE
- Minimum slant range
- 518 m
- Heading at closest
- 297° WNW
- Aspect at closest
- side-on (81°)
- Turn
- straight (2°)
- Departure
- Yes — climbing out after take-off
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 1:16 (75.5 s)
- Lock
- 54%
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
- 37.5 MB · 75.0 s · offset -0.8 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