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Table 1

Number of objects and observations.

Group Number objects Ntotal observations NMPC observations Nradar observations NGaia observations
NEA 446 645 921 611 893 664 33 364
IMBA and Mars crossing 154 094 77 536 340 70 246 354 17 7 289 969

Notes. Ntotal are all observations. NMPC are ground-based and satellite astrometry downloaded from MPC. Nradar is the number of radar data. and NGaia is the number of Gaia DR3 observations.

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