21023+2037
- Unique Name: 21023+2037HDS2998
- RA: 21 02 15.34
- Dec: +20 37 26.2
- Discoverer: HDS
- Discoverer Number: 2998
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 173
- Last position angle: 173
- First separation: 0.1
- Last separation: 0.1
- Mag first component: 10.24
- Mag second component: 12.28
- Spectral type: K0
- Primary proper motion RA: 8
- Primary proper motion DEC: -16
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +20 4809
- Notes: