21002+3658
- Unique Name: 21002+3658HO 147AC
- RA: 21 00 13.54
- Dec: +36 57 47.0
- Discoverer: HO
- Discoverer Number: 147
- Components: AC
- First year: 1897
- Last year: 2011
- Observations: 5
- First position angle: 249
- Last position angle: 255
- First separation: 26.1
- Last separation: 27.8
- Mag first component: 8.01
- Mag second component: 12.8
- Spectral type: K5
- Primary proper motion RA: -3
- Primary proper motion DEC: -7
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: