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Table 1.
Mean orbital elements of the observed λ-Sculptorids compared to the mean orbital elements of the simulated particles encountering the Earth in 2023 (JV model) and the comet 46P/Wirtanen.
| Parameter | λ-Sculptorids | Simulated | 46P/Wirtanen | 46P/Wirtanen | |
|---|---|---|---|---|---|
| Epoch | J2000 | J2000 | 2458465.5 | 2442240.5 | |
| Date | 2023-12-12 | 2023-12-12 | 2018-12-13 | 1974-07-12 | |
| a | 2.891 | 3.029 | 3.092662 | 3.255261 | AU |
| q | 0.984566 | 0.980229 | 1.05535538 | 1.255701 | AU |
| e | 0.65946 | 0.676399 | 0.6587550 | 0.614255 | |
| i | 9.200 | 8.364 | 11.747548 | 12.2672 | deg |
| Ω | 79.925 | 79.432 | 82.157634 | 84.2087 | deg |
| ω | 359.915 | 0.284 | 356.341072 | 351.8580 | deg |
Notes. JPL Horizons: https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=46P (accessed Dec. 25, 2023).
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