21098+4001
- Unique Name: 21098+4001GRV 430AB
- RA: 21 09 50.26
- Dec: +40 01 33.1
- Discoverer: GRV
- Discoverer Number: 430
- Components: AB
- First year: 1998
- Last year: 2002
- Observations: 3
- First position angle: 351
- Last position angle: 351
- First separation: 47.1
- Last separation: 47.0
- Mag first component: 10.09
- Mag second component: 12.92
- Spectral type:
- Primary proper motion RA: -22
- Primary proper motion DEC: -18
- Secondary proper motion RA: -36
- Secondary proper motion DEC: -5
- Durchmusterung: +39 4462
- Notes: N