21040+5354
- Unique Name: 21040+5354VLM 2
- RA: 21 03 58.40
- Dec: +53 53 57.4
- Discoverer: VLM
- Discoverer Number: 2
- Components:
- First year: 1999
- Last year: 2009
- Observations: 5
- First position angle: 187
- Last position angle: 187
- First separation: 7.9
- Last separation: 8.0
- Mag first component: 11.7
- Mag second component: 12.8
- Spectral type:
- Primary proper motion RA: 1
- Primary proper motion DEC: 3
- Secondary proper motion RA: -24
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: