21035+2400
- Unique Name: 21035+2400HO 281
- RA: 21 03 29.78
- Dec: +23 59 46.6
- Discoverer: HO
- Discoverer Number: 281
- Components:
- First year: 1889
- Last year: 2001
- Observations: 9
- First position angle: 299
- Last position angle: 304
- First separation: 13.1
- Last separation: 13.8
- Mag first component: 7.4
- Mag second component: 13.4
- Spectral type: M3
- Primary proper motion RA: -4
- Primary proper motion DEC: -11
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +23 4224
- Notes: N
