Open Access
Table 1
Physical and polyhedral parameters of Arrokoth, Kleopatra, and 103P∕Hartley.
| Asteroid | Bulk density (g cm−3) |
Rotational period (hours) |
Mass (kg) |
Vertices & Facets |
|---|---|---|---|---|
| Arrokoth | 0.235 | 15.938 | 1.58 × 1015 | 53 755 & 107 506 |
| Kleopatra | 4.9 | 5.385 | 4.68 × 1018 | 1148 & 2292 |
| 103P∕Hartley | 0.3 | 18.0 | 2.43 × 1011 | 16 022 & 32 040 |
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