EJA857 NetJets
Cessna 700 Citation Longitude · N857QS · Departing SFO
· 1:14Quality 88nose/tail
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −72%). 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
- 63%
- First lockfrom target selected
- 19.9 s
- Centring, medianaz / el while locked
- 0.23° / 0.30°
- Centring, 90th pctaz / el while locked
- 0.95° / 1.17°
- Tightest field of viewhorizontal
- 3.4°
- Time to 8°from first lock
- 5.6 s
- Time to tightestfrom first lock
- 48.4 s
- Time at telefield of view ≤ 5.5°
- 23.6 s
- Jitter at teleaz / el, standard deviation
- 0.30° / 0.28°
- Swing at teleaz / el, peak to peak
- 1.64° / 1.48°
- Pan reversalsper 10 s at tele
- 0.0
- Largest pan hopin any 1 s at tele
- 14.59°
- Largest tilt hopin any 1 s at tele
- 10.23°
- Pose error, mediancommand vs camera
- 0.93°
- Largest correctionvision vs prediction
- 0.84°
- Zoom steps
- 37
Aircraft & route
- Flight
- EJA857
- Registration
- N857QS
- Type
- Cessna 700 Citation Longitude
- Airline
- NetJets
- From
- SFO · San Francisco
- To
- —
- Ground speed
- 234 kt
- Altitude at closest
- 2,550 ft
- Vertical rate
- +2,624 ft/min
- Category
- A2
- ICAO hex
- abc2c8
Pass geometry
- Max elevation
- 85.7°
- Elevation at start → end
- 1.6° → 13.8°
- Azimuth at start → end
- 117° ESE → 298° WNW
- Closest-approach azimuth
- 30° NNE
- Minimum slant range
- 811 m
- Heading at closest
- 298° WNW
- Aspect at closest
- nose/tail (6°)
- Turn
- straight (0°)
- Departure
- Yes — climbing out after take-off
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 1:14 (74.3 s)
- Lock
- 63%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-14l — vision lock coasts with the plane; a zoom ends a focus drive
- Commit
- f5b573a
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 37.0 MB · 74.0 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
- -0.28
- 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