21084+3618
- Unique Name: 21084+3618CRB 138
- RA: 21 08 25.67
- Dec: +36 17 59.6
- Discoverer: CRB
- Discoverer Number: 138
- Components:
- First year: 1998
- Last year: 1998
- Observations: 1
- First position angle: 128
- Last position angle: 128
- First separation: 22.8
- Last separation: 22.8
- Mag first component: 12.9
- Mag second component: 18.1
- Spectral type:
- Primary proper motion RA: 112
- Primary proper motion DEC: 86
- Secondary proper motion RA: 119
- Secondary proper motion DEC: 81
- Durchmusterung:
- Notes: V