skylight.

EJA278 NetJets

· 0:23Quality 66side-on

3D replay

Trace

Where the aircraft sat in the frame, second by second. Click the chart to jump the video there.

—FOV —az —el —pose —
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
59%
First lockfrom target selected
4.6 s
Centring, medianaz / el while locked
0.53° / 0.57°
Centring, 90th pctaz / el while locked
5.78° / 2.16°
Tightest field of viewhorizontal
5.0°
Time to 8°from first lock
14.3 s
Time to tightestfrom first lock
15.3 s
Time at telefield of view ≤ 5.5°
2.7 s
Jitter at teleaz / el, standard deviation
0.00° / 0.00°
Swing at teleaz / el, peak to peak
0.00° / 0.00°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
3.85°
Largest tilt hopin any 1 s at tele
1.59°
Pose error, mediancommand vs camera
2.07°
Largest correctionvision vs prediction
3.71°
Zoom steps
25

Aircraft & route

Flight
EJA278
Registration
—
Type
—
Airline
NetJets
From
—
To
—
Ground speed
359 kt
Altitude at closest
12,875 ft
Vertical rate
—
Category
A2
ICAO hex
a2c5a3

Pass geometry

Max elevation
72.5°
Elevation at start → end
70.8° → 45.2°
Azimuth at start → end
24° NNE → 123° ESE
Closest-approach azimuth
50° NE
Minimum slant range
4.1 km
Heading at closest
140° SE
Aspect at closest
side-on (90°)
Turn
straight (7°)
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
0:23 (23.2 s)
Lock
59%

Build & tuning

The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.

Build
2026-10-12i — focus jumps only to trusted tele points; rate-steered setpoint; bias learned only when still
Commit
68739f5+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
11.3 MB · 23.0 s · offset -1.2 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