21258+3640
- Unique Name: 21258+3640FYM 124CD
- RA: 21 25 51.40
- Dec: +36 39 54.6
- Discoverer: FYM
- Discoverer Number: 124
- Components: CD
- First year: 2000
- Last year: 2012
- Observations: 2
- First position angle: 84
- Last position angle: 87
- First separation: 19.8
- Last separation: 16.6
- Mag first component: 10.22
- Mag second component: 13.9
- Spectral type: F6
- Primary proper motion RA: -1
- Primary proper motion DEC: -16
- Secondary proper motion RA: -12
- Secondary proper motion DEC: -13
- Durchmusterung:
- Notes: N
