20210+3525
- Unique Name: 20210+3525POP 129AD
- RA: 20 20 59.17
- Dec: +35 25 30.9
- Discoverer: POP
- Discoverer Number: 129
- Components: AD
- First year: 1945
- Last year: 2002
- Observations: 5
- First position angle: 215
- Last position angle: 215
- First separation: 79.0
- Last separation: 81.9
- Mag first component: 10.7
- Mag second component: 12.06
- Spectral type: G
- Primary proper motion RA: -2
- Primary proper motion DEC: -12
- Secondary proper motion RA: -33
- Secondary proper motion DEC: -54
- Durchmusterung:
- Notes: