20102+2131
- Unique Name: 20102+2131TDT2042
- RA: 20 10 09.42
- Dec: +21 30 46.4
- Discoverer: TDT
- Discoverer Number: 2042
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 5
- Last position angle: 5
- First separation: 0.7
- Last separation: 0.7
- Mag first component: 10.2
- Mag second component: 11.35
- Spectral type:
- Primary proper motion RA: 55
- Primary proper motion DEC: 14
- Secondary proper motion RA: 55
- Secondary proper motion DEC: 14
- Durchmusterung:
- Notes: