21598+2356
- Unique Name: 21598+2356STF2850
- RA: 21 59 49.60
- Dec: +23 56 27.4
- Discoverer: STF
- Discoverer Number: 2850
- Components:
- First year: 1830
- Last year: 1983
- Observations: 15
- First position angle: 263
- Last position angle: 264
- First separation: 2.8
- Last separation: 2.8
- Mag first component: 7.0
- Mag second component: 11.0
- Spectral type: M5
- Primary proper motion RA: -6
- Primary proper motion DEC: -27
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +23 4442
- Notes: N