Meteorium — Meteor Dust Trails
iOS app by Shinsuke Abe. Education · Shinsuke Abe
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.1
- Listing last refreshed
- 2026-09-07
View the original store listing
Store description excerpt
Meteorium is an astronomy app that scientifically visualises the "dust trails" — the ribbons of comet dust that give rise to meteor showers. It shows 60,000 dust grains released by comet 109P/Swift-Tuttle, the parent of the Perseid meteor shower, over its eight perihelion returns from 1079 to 1992. Each grain is ejected from the comet's nucleus around perihelion and followed by full orbital integration including planetary gravity and solar radiation pressure, then rendered in 3D against NASA's all-sky star maps. The comet's position at the moment of ejection is anchored to the JPL Horizons ephemeris, which uses an orbit solution fitted to the observations of each historical apparition. Features: • 3D dust trails coloured by ejection year • Multiple viewpoints (ecliptic north/south, latitude sweep, Sun, ground, comet) plus a free view that tours the highlights every 10 s • Run time forward/backward at 10-10,000x to watch the trails evolve • Realistic Milky Way (NASA Deep Star Maps 2020), constellation lines and names, planets • Japanese / English Why do meteor showers return on the same dates every year? How does comet dust spread through the solar system? Meteorium shows you the three-dimensional structure and its evolution over time — and from the ground view you can simply enjoy the meteor shower itself. The app works fully offline, with no data collection and no ads. A Pro edition — theory computation for every shower, worldwide observation databases, ZHR outburst forecasts, dust-trail cross-sections, recording and image export — is in preparation.
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