21023+2554
- Unique Name: 21023+2554SLE 511
- RA: 21 02 19.08
- Dec: +25 54 15.4
- Discoverer: SLE
- Discoverer Number: 511
- Components:
- First year: 1904
- Last year: 2008
- Observations: 5
- First position angle: 25
- Last position angle: 10
- First separation: 11.3
- Last separation: 8.7
- Mag first component: 10.8
- Mag second component: 11.4
- Spectral type:
- Primary proper motion RA: 18
- Primary proper motion DEC: 3
- Secondary proper motion RA: -12
- Secondary proper motion DEC: -19
- Durchmusterung:
- Notes:
