21502+1545
- Unique Name: 21502+1545UC 4577
- RA: 21 50 09.57
- Dec: +15 45 01.9
- Discoverer: UC
- Discoverer Number: 4577
- Components:
- First year: 1997
- Last year: 2001
- Observations: 2
- First position angle: 222
- Last position angle: 221
- First separation: 38.5
- Last separation: 38.3
- Mag first component: 8.7
- Mag second component: 15.8
- Spectral type:
- Primary proper motion RA: -57
- Primary proper motion DEC: -57
- Secondary proper motion RA: -61
- Secondary proper motion DEC: -55
- Durchmusterung:
- Notes: V