21052+3127
- Unique Name: 21052+3127GRV 412
- RA: 21 05 13.19
- Dec: +31 27 51.0
- Discoverer: GRV
- Discoverer Number: 412
- Components:
- First year: 1998
- Last year: 2002
- Observations: 3
- First position angle: 265
- Last position angle: 265
- First separation: 42.4
- Last separation: 42.3
- Mag first component: 12.6
- Mag second component: 13.1
- Spectral type:
- Primary proper motion RA: -14
- Primary proper motion DEC: -10
- Secondary proper motion RA: -10
- Secondary proper motion DEC: -18
- Durchmusterung:
- Notes: