21059+1331
- Unique Name: 21059+1331SLE 521
- RA: 21 05 54.58
- Dec: +13 31 07.5
- Discoverer: SLE
- Discoverer Number: 521
- Components:
- First year: 1982
- Last year: 2008
- Observations: 5
- First position angle: 133
- Last position angle: 130
- First separation: 22.1
- Last separation: 22.4
- Mag first component: 11.3
- Mag second component: 11.9
- Spectral type:
- Primary proper motion RA: -15
- Primary proper motion DEC: -9
- Secondary proper motion RA: 37
- Secondary proper motion DEC: 14
- Durchmusterung:
- Notes: