21289+3002

  • Unique Name: 21289+3002MLB 668
  • RA: 21 28 55.23
  • Dec: +30 02 47.3
  • Discoverer: MLB
  • Discoverer Number: 668
  • Components:
  • First year: 1930
  • Last year: 2005
  • Observations: 4
  • First position angle: 338
  • Last position angle: 240
  • First separation: 4.4
  • Last separation: 4.8
  • Mag first component: 10.95
  • Mag second component: 12.2
  • Spectral type:
  • Primary proper motion RA: 35
  • Primary proper motion DEC: 87
  • Secondary proper motion RA: -38
  • Secondary proper motion DEC: 60
  • Durchmusterung:
  • Notes: