21100-2603
- Unique Name: 21100-2603SEE 440
- RA: 21 10 01.87
- Dec: -26 03 07.3
- Discoverer: SEE
- Discoverer Number: 440
- Components:
- First year: 1897
- Last year: 2000
- Observations: 5
- First position angle: 70
- Last position angle: 43
- First separation: 9.8
- Last separation: 9.0
- Mag first component: 9.24
- Mag second component: 13.0
- Spectral type: K1III
- Primary proper motion RA: 23
- Primary proper motion DEC: -36
- Secondary proper motion RA: -29
- Secondary proper motion DEC: 92
- Durchmusterung: -2615455
- Notes: