21097+5158
- Unique Name: 21097+5158IPH 28
- RA: 21 09 39.94
- Dec: +51 58 03.6
- Discoverer: IPH
- Discoverer Number: 28
- Components:
- First year: 1952
- Last year: 2004
- Observations: 3
- First position angle: 241
- Last position angle: 241
- First separation: 19.9
- Last separation: 19.7
- Mag first component: 15.1
- Mag second component: 17.7
- Spectral type:
- Primary proper motion RA: 59
- Primary proper motion DEC: 35
- Secondary proper motion RA: 60
- Secondary proper motion DEC: 38
- Durchmusterung:
- Notes: V R
