21187-1528
- Unique Name: 21187-1528RST4081
- RA: 21 18 45.49
- Dec: -15 28 00.0
- Discoverer: RST
- Discoverer Number: 4081
- Components:
- First year: 1936
- Last year: 2001
- Observations: 5
- First position angle: 233
- Last position angle: 238
- First separation: 1.3
- Last separation: 1.5
- Mag first component: 10.48
- Mag second component: 11.11
- Spectral type: K0
- Primary proper motion RA: -10
- Primary proper motion DEC: -34
- Secondary proper motion RA: -10
- Secondary proper motion DEC: -34
- Durchmusterung: -16 5837
- Notes: