21138+2025
- Unique Name: 21138+2025TDT2838
- RA: 21 13 45.77
- Dec: +20 24 54.1
- Discoverer: TDT
- Discoverer Number: 2838
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 4
- Last position angle: 4
- First separation: 0.7
- Last separation: 0.7
- Mag first component: 11.64
- Mag second component: 11.65
- Spectral type:
- Primary proper motion RA: -23
- Primary proper motion DEC: -33
- Secondary proper motion RA: -23
- Secondary proper motion DEC: -33
- Durchmusterung:
- Notes: