2017 09L21 (B half)
| Designation: | K17S21L |
| Unpacked: | 2017 09L21 (B half) |
| Object Type: | Unusual |
| Total MPECs: | 1 |
| Total Observations: | 23 |
| Discovered by: | F51 (Pan-STARRS 1, Haleakala) |
| Discovery Date: | 2017-10-07 |
| Discovery MPEC: | MPEC 2017-T21 |
| Designation | Relationship | Author | MPEC |
|---|---|---|---|
| K17P00D | Double | MPCW | MPEC 2017-T41 |
| K16K04X | Identification | MPCW | MPEC 2017-T43 |
| MPEC ID | Date | Type | Title | Stations |
|---|---|---|---|---|
| MPEC 2017-T21 | 2017-10-07 | Discovery | 2017 SL21 | F51, 691, K93, I52, 926, 695 |