21392+2451
- Unique Name: 21392+2451TDT3084
- RA: 21 39 13.91
- Dec: +24 51 05.2
- Discoverer: TDT
- Discoverer Number: 3084
- Components:
- First year: 1991
- Last year: 2009
- Observations: 2
- First position angle: 277
- Last position angle: 300
- First separation: 0.4
- Last separation: 0.8
- Mag first component: 10.74
- Mag second component: 10.85
- Spectral type:
- Primary proper motion RA: -18
- Primary proper motion DEC: -32
- Secondary proper motion RA: -18
- Secondary proper motion DEC: -32
- Durchmusterung:
- Notes: