21492+4702
- Unique Name: 21492+4702COU2317
- RA: 21 49 19.35
- Dec: +47 02 03.7
- Discoverer: COU
- Discoverer Number: 2317
- Components:
- First year: 1985
- Last year: 1985
- Observations: 1
- First position angle: 107
- Last position angle: 107
- First separation: 0.4
- Last separation: 0.4
- Mag first component: 12.0
- Mag second component: 12.3
- Spectral type:
- Primary proper motion RA: -18
- Primary proper motion DEC: -15
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +46 3453
- Notes: I