Sylvia Asteroid
Sylvia — M-type asteroid, 253.051 km. Estimated resource value $255 quintillion (illustrative).
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| Spectral type | M |
|---|---|
| Diameter | 253.1 km |
| Group | Main Belt |
| Assumed water content | 1 % |
| Assumed metal content | 85 % |
| Estimated value | $255 quintillion (estimate) |
⚠ Estimate, not a measurement. Resource valuations are transparent estimates (spectral / orbital / remote-sensing assumptions), not measured or market values. A confirmed value requires in-situ prospecting. For research and illustration only — not investment advice.
资源估值为透明的估算(基于光谱/轨道/遥感的假设),非实测、非市场价。真正可信的价值需实地勘探。仅供研究与示意,不构成投资建议。
资源估值为透明的估算(基于光谱/轨道/遥感的假设),非实测、非市场价。真正可信的价值需实地勘探。仅供研究与示意,不构成投资建议。
Sources / 数据来源
NASA JPL Small-Body Database (SBDB)