21488+2439
- Unique Name: 21488+2439TDT3169
- RA: 21 48 46.94
- Dec: +24 38 58.3
- Discoverer: TDT
- Discoverer Number: 3169
- Components:
- First year: 1991
- Last year: 2010
- Observations: 2
- First position angle: 351
- Last position angle: 350
- First separation: 0.7
- Last separation: 0.8
- Mag first component: 10.86
- Mag second component: 11.13
- Spectral type:
- Primary proper motion RA: 6
- Primary proper motion DEC: -10
- Secondary proper motion RA: 6
- Secondary proper motion DEC: -10
- Durchmusterung:
- Notes: