Fig. 1. Distances of debris relative to collision reference point at collision epoch

Fig. 2. Initial velocity distributions of debris at collision reference point

Fig. 3. Magnitude of initial velocities of debris at collision reference point

Fig. 4. Position errors of debris with different area-to-mass ratios over one day

Fig. 5. Average， maximum， and minimum values of relative distances between debris

Fig. 6. Periodicity of distances between some debris

Fig. 7. Time series of relative distances between debris

Fig. 8. Flowchart of new space object orbit cataloging using multiple arcs

Fig. 9. Distribution of distances between observation platform and debris

Fig. 10. Statistical results for number of observable arcs of COSMOS-2251 debris after collision

Fig. 11. Statistical results for number of observable arcs of Iridium-33 debris after collision