| Primary satellite | Secondary satellite |
| Name | S-56A Canister/Altair | DELTA 1 DEB |
| Spacetrack catalog number | 82 | 42649 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Mar 06 21:46 | 2021 Mar 02 10:44 |
| Time of closest approach (UTC) | 2021 Jan 25 10:07:07.672 |
| Minimum distance | 3.070 km |
| Height difference | 2.914 km |
| Relative speed | 13.793 km/s |
| Angle between velocity vectors | 138° |
| Geographic position | 3.8°N, 175.6°W |
| Height | 1135 km |
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