21503+3504
- Unique Name: 21503+3504TDT3187
- RA: 21 50 19.60
- Dec: +35 03 52.7
- Discoverer: TDT
- Discoverer Number: 3187
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 9
- Last position angle: 9
- First separation: 0.6
- Last separation: 0.6
- Mag first component: 11.17
- Mag second component: 11.32
- Spectral type:
- Primary proper motion RA: -8
- Primary proper motion DEC: -4
- Secondary proper motion RA: -8
- Secondary proper motion DEC: -4
- Durchmusterung:
- Notes: