Table 1
Results of a 5 Myr transport from the 5:2J resonance for Phaethon, UD, and YC.
| (3200) Phaethon | (155140) 2005 UD | (225416) 1999 YC | ||
|---|---|---|---|---|
| % of arrived objects | ||||
| Orbit9 | Adaptive time-step | 51.50% | 51.90% | 13.60% |
| Rebound | Δt = 1 | 15.70% | 15.90% | 15.40% |
| Δt = 0.1 | 20.00% | 15.50% | 8.40% | |
| Δt = 0.01 | 7.40% | 0.04% | − | |
| tfirst arrival (Kyr) | ||||
| Orbit9 | Adaptive time-step | 278.50 | 232.50 | 205.00 |
| Rebound | Δt = 1 | 314.37 | 313.66 | 304.67 |
| Δt = 0.1 | 437.49 | 438.27 | 628.28 | |
| Δt = 0.01 | 583.70 | 988.58 | − | |
| tmedian (Myr) | ||||
| Orbit9 | Adaptive time-step | 1.674 | 1.687 | 1.566 |
| Rebound | Δt = 1 | 1.973 | 1.949 | 1.967 |
| Δt = 0.1 | 2.047 | 2.162 | 2.163 | |
| Δt = 0.01 | 2.182 | 2.108 | − | |
Notes. The initial conditions are taken from the chaotic edges of the resonance in Fig. 1. The results are obtained with Orbit9 and Rebound/Mercurius for three different integration time steps: Δt = {1, 0.1, 0.01} yr. The upper rows show the percentage of objects entering a given neighborhood of Phaethon, UD, and YC. The middle rows show their first arrival times, and the bottom their median arrival times. These results are discussed in the main text.
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