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How to Explore the Torino Impact Hazard Scale 3D Explorer
Open the Torino Impact Hazard Scale 3D Explorer, pick one of three real historical near-Earth-object cases, and scrub or play the approach path while the asteroid's beacon changes color to match that case's real assigned Torino band.
- Open https://freetoolonline.com/space-3d/torino-impact-hazard-scale.html and wait for Earth, the approaching asteroid, and the 0-10 band grid to render.
- Use the Historical case selector to pick Apophis Dec 2004 rating (Torino 4), Apophis refined Aug 2006 rating (Torino 0), or 2023 DW 2023 rating (Torino 1).
- Drag the Approach slider (0-100%) or click "Play Approach" to watch the asteroid move toward Earth.
- Watch the beacon color change to that case's real band - white, green, yellow, orange, or red.
- Look at the 0-10 band grid below the scene - the outlined cell is the picked case's real assigned rating.
- Switch cases and compare how the beacon color and outlined cell change for each.
Key published figures
| Figure | Value |
|---|---|
| Apophis, Dec 2004 rating | Torino 4 (Yellow) - highest ever assigned to a real object |
| Apophis, refined Aug 2006 rating | Torino 0 (White) - risk removed after a longer observed arc |
| 2023 DW, 2023 rating | Torino 1 (Green) - later removed from the risk list |
| Scale origin | Richard Binzel (MIT); adopted by the IAU in 1999, revised 2005 |
Next: the when guide or vs alternatives. Open the Torino Impact Hazard Scale 3D Explorer.
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