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VJA119 Vista America

Gulfstream Aerospace G450 · N119JE

· 1:01Quality 83side-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −60%). Download

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
74%
First lockfrom target selected
7.1 s
Centring, medianaz / el while locked
0.33° / 0.16°
Centring, 90th pctaz / el while locked
1.18° / 0.99°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
4.7 s
Time to tightestfrom first lock
17.8 s
Time at telefield of view ≤ 5.5°
20.1 s
Jitter at teleaz / el, standard deviation
0.59° / 0.16°
Swing at teleaz / el, peak to peak
2.66° / 0.67°
Pan reversalsper 10 s at tele
1.0
Largest pan hopin any 1 s at tele
2.29°
Largest tilt hopin any 1 s at tele
0.55°
Pose error, mediancommand vs camera
0.99°
Largest correctionvision vs prediction
1.64°
Zoom steps
53

Aircraft & route

Flight
VJA119
Registration
N119JE
Type
Gulfstream Aerospace G450
Airline
Vista America
From
—
To
—
Ground speed
272 kt
Altitude at closest
11,100 ft
Vertical rate
0 ft/min
Category
A2
ICAO hex
a04e6f

Pass geometry

Max elevation
31.8°
Elevation at start → end
21.2° → 30.6°
Azimuth at start → end
335° NNW → 44° NE
Closest-approach azimuth
25° NNE
Minimum slant range
6.4 km
Heading at closest
116° ESE
Aspect at closest
side-on (89°)
Turn
straight (0°)
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
1:01 (61.2 s)
Lock
74%

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
29.7 MB · 60.7 s · offset -1.7 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