21545+4052
- Unique Name: 21545+4052TDT3230
- RA: 21 54 30.98
- Dec: +40 52 16.2
- Discoverer: TDT
- Discoverer Number: 3230
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 222
- Last position angle: 222
- First separation: 2.0
- Last separation: 2.0
- Mag first component: 12.14
- Mag second component: 12.23
- Spectral type:
- Primary proper motion RA: -4
- Primary proper motion DEC: -6
- Secondary proper motion RA: -4
- Secondary proper motion DEC: -6
- Durchmusterung:
- Notes: