ORCA FLYER — WEB

© 2025–2026 Cameron Cunningham. All rights reserved.
Part of the ORCA Suite. Proprietary freeware — free to use, not to modify or redistribute.

ORBITAL DATA

Two-line element sets and satellite catalog data courtesy of CelesTrak (celestrak.org), created and curated by Dr. T.S. Kelso.
Used with gratitude — CelesTrak has served the space community since 1985.

IMAGERY

Earth texture — NASA Blue Marble (NASA Earth Observatory). Public domain.
Moon texture — NASA / Lunar Reconnaissance Orbiter (LRO/LROC). Public domain.
Sun, planet, moon & dwarf-planet maps (SOLAR mode) — Solar System Scope (solarsystemscope.com), licensed CC BY 4.0 — creativecommons.org/licenses/by/4.0/
Asteroid surface (PBR) — CC0 rock/ground set (ambientCG-style), public-domain dedication.
Alpha Centauri A/B, Proxima, and Proxima b reuse the Sun and Mars maps as artistic stand-ins — no true imagery of those bodies exists. CDN fallback textures served from the three.js examples planet set.

MUSIC

Music by Kevin MacLeod (incompetech.com).
Licensed under Creative Commons: By Attribution 4.0 — creativecommons.org/licenses/by/4.0/

LIBRARIES

three.js — © three.js authors, MIT License.
satellite.js — © Shashwat Kandadai & contributors, MIT License (SGP4/SDP4 propagation).

EPHEMERIS NOTES

Moon: truncated Meeus/ELP analytic series (~0.3°). Sun: low-precision solar ephemeris. Cislunar & Lagrange-point spacecraft are SEEDED analytic approximations — plausible geometry and scale, deterministic phases — NOT live SPICE data. Not for operational use.
SOLAR mode: planet positions from JPL "approximate elements" (1800–2050) evaluated analytically. Alpha Centauri placed at 4.37 ly along a fixed direction (its true distance; direction schematic). Warp speeds are a teaching abstraction (coordinate speed), not relativistic physics.