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Table 2
Assumed and previously measured thermophysical modelling parameters for thermal-infrared flux fitting and Yarkovsky and YORP effect modelling.
Shape model | Radar | Flattened-radar | Light-curve |
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Number of vertices | 2048a | 2048a | 1022b |
Number of facets | 4092a | 4092a | 2040b |
Axis ratios (a:b:c) | 2.51:1.00:1.07a | 3.07:1.22:1.00 | 3.08:1.22:1.00b |
Rotation periodb | 5.223336 h | 5.223336 h | 5.223336 h |
YORP rotational accelerationb | (1.5 ± 0.2) × 10-3 rad yr-2 | (1.5 ± 0.2) × 10-3 rad yr-2 | (1.5 ± 0.2) × 10-3 rad yr-2 |
Pole orientation | λa = 55°, βa = –46° | λa = 55°, βa = –46° | λb = 58°, βb = –49° |
Obliquity | 149° | 149° | 152° |
Semimajor axisc | 1.246 AU | 1.246 AU | 1.246 AU |
Eccentricityc | 0.336 | 0.336 | 0.336 |
Yarkovsky semimajor axis driftd | –27.4 ± 5.7 m yr-1 | –27.4 ± 5.7 m yr-1 | –27.4 ± 5.7 m yr-1 |
Absolute magnitudee | 15.6 ± 0.1 | 15.6 ± 0.1 | 15.6 ± 0.1 |
Phase parametere | 0.15 | 0.15 | 0.15 |
Emissivity | 0.9 | 0.9 | 0.9 |
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