21300-0637
- Unique Name: 21300-0637BRT 517
- RA: 21 30 02.41
- Dec: -06 36 40.3
- Discoverer: BRT
- Discoverer Number: 517
- Components:
- First year: 1892
- Last year: 2001
- Observations: 2
- First position angle: 209
- Last position angle: 207
- First separation: 3.5
- Last separation: 4.3
- Mag first component: 10.1
- Mag second component: 11.4
- Spectral type: K0
- Primary proper motion RA: 8
- Primary proper motion DEC: -13
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -07 5575
- Notes: