ORCA Designer

CAMERA MODES✕

FOLLOW TARGET

Mode Object

free camera

wheel zoom · left-drag orbit · right-drag tips the horizon while riding (pans when free) · Esc release
G toggles FLY: W/S forward/back · A/D strafe · R/F up/down · arrows point · Q/E roll · Shift 8× · drag look · wheel speed

SHOTS BOOKMARKS

Name Pin time

No shots yet — frame a view and ADD SHOT. Shots save with the scenario.

EXPORT IMAGE

Resolution Caption (optional) Include UTC timestamp

Captures the 3D view only — panels, windows and the Moon/Sun reticles are HTML over the canvas and are never in the shot. Turn LABELS on if you want satellite names, since those are drawn in the scene itself.

SATRANS TRANSIT ANALYSIS✕

Find a city — 34,006 worldwide

Target Name Lat (°) Lon (°E) Radius (km)

Window (h) Min el (°) Missions Max sats Epoch UTC

SATRANS answers which satellites pass over a ground AREA using their sensor cones. For satellite↔ground-station contact use the ACCESS window instead — ground networks do not feed this analysis.

place a target and run the analysis

City gazetteer: GeoNames cities15000 (34,006 places, population ≥ 15,000), licensed CC BY 4.0.

ISS (LEO)ANALYTICEARTH

0 SATELLITES ◎ RIDEALONGCLEAR ALL

Semi-major a—

Eccentricity e—

Inclination i—

RAAN Ω—

Arg. perigee ω—

True anomaly ν—

Altitude—

Velocity—

Period—

DESIGN

WALKER

CATALOG

CONSTELLATION CATALOG

loading catalog…

Select a constellation.

Max sats Cones

Design parameters from the published catalog · plane phasing synthesized

SATELLITE DESIGNER

Name Orbits Mission

Alt (km) Ecc e

Inc (°) RAAN (°)

Arg ω (°) M0 (°)

Payload cone Cone (°)

Color

WALKER GENERATOR

Total T Planes P Phase F

Walker δ 24/3/1 — 3 planes × 8 sats

Alt (km) Inc (°)

Ecc e Arg ω (°)

Mission

Prefix Cone (°)

Cones Color

SITES

NETWORKS

GROUND NETWORK CATALOG

Mask (°) Max sites

Site structure

publicly acknowledged sites, ported from ORCA Designer

GROUND SEGMENT ⌖ ZOOM TO

Name Body

Lat (°) Lon (°E)

Alt (km) Mask (°)

Sky cone Color

LIVE LOOK ANGLES

select a station and a satellite

SCENARIO FILE

Desktop ORCA Designer v1.0 schema · web 1.6

Scenario name Include session — camera, clock, toggles, display scales

No file loaded this session.

SAVE AS opens a file dialog in Chrome / Edge; other browsers drop the file in Downloads. A file saved with the session restores exactly how the scene looked; one saved without it loads at T+0 with the current view.

SCENE PRESETS

Scene