21363+4002
- Unique Name: 21363+4002MLB 28
- RA: 21 36 17.71
- Dec: +40 02 25.7
- Discoverer: MLB
- Discoverer Number: 28
- Components:
- First year: 1917
- Last year: 2002
- Observations: 3
- First position angle: 247
- Last position angle: 256
- First separation: 4.8
- Last separation: 4.3
- Mag first component: 10.97
- Mag second component: 12.5
- Spectral type:
- Primary proper motion RA: -6
- Primary proper motion DEC: -8
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: