21257-8201
- Unique Name: 21257-8201TDT2957
- RA: 21 25 44.27
- Dec: -82 00 41.2
- Discoverer: TDT
- Discoverer Number: 2957
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 140
- Last position angle: 140
- First separation: 0.4
- Last separation: 0.4
- Mag first component: 10.51
- Mag second component: 10.77
- Spectral type: K0
- Primary proper motion RA: 12
- Primary proper motion DEC: -21
- Secondary proper motion RA: 12
- Secondary proper motion DEC: -21
- Durchmusterung:
- Notes: