| refcode | metd | author | reference |
| FMR2012b | orb - | Rica Romero, F.M. & Zirm, H. | 2012IAUDS.176....1R |
| FMR2012b | Inf. Circ. 176, 1, 2012 |
| discov | author |
| COU | Couteau, P. |
| FMR | Rica, F., Barrena, R., Antonio Henriquez, J., Vazquez, G., Vazquez, C., Hernandez, |
| FMR | Rica, F.M. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | dm_number | notes | coord_arcsec_2000 |
| 21115+2144 | COU 227 | 1991 | 8 | 77 | 0.5 | 10.05 | 11.77 | K2 | +21 4489 | O | 211128.93+214401.0 | |
| 21115+2144 | COU 227 | 2007 | 9 | 106 | 0.5 | 10.05 | 11.77 | K2 | +21 4489 | O | 211128.93+214401.0 | |
| 21115+2144 | COU 227 | 2010 | 11 | 113 | 0.5 | 10.05 | 11.77 | K2 | +21 4489 | O | 211128.93+214401.0 | |
| 21115+2144 | COU 227 | 2012 | 17 | 116 | 0.5 | 10.05 | 11.77 | K2 | +21 4489 | O | 211128.93+214401.0 | |
| 21115+2144 | COU 227 | 2014 | 23 | 122 | 0.5 | 10.05 | 11.77 | K2 | +21 4489 | O | 211128.93+214401.0 | |
| 21115+2144 | COU 227 | 2015 | 24 | 124 | 0.5 | 10.05 | 11.77 | K2 | +21 4489 | O | 211128.93+214401.0 |