| discov | author |
| KPP | Knapp, W. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | dm_number | notes | coord_arcsec_2000 |
| 21129+1508 | KPP4229 | 2015 | 3 | 140 | 2.5 | 14.10 | 14.30 | T | 211252.57+150803.5 | |||
| 21129+1508 | KPP4229 | 2016 | 4 | 140 | 2.5 | 14.10 | 14.30 | T | 211252.57+150803.5 |