Fixed criteria:
  • Target H ≥ 22 mag.
  • Target flybye no more then 30 days ago and no later then in 14 days at distance 75 LD or less.
  • Target altitude ≥ 20° above horizon.
    Filter rules:
  • Target apparent magnitude or brighter.
  • Target galactic absolute latitude ° or more.
  • Darkness: Daylight Civil twilight/dawn Nautical twilight/dawn Astronomical twilight/dawn Night
  • Moon below horizon or illuminated of % or less.

  • TIME COND SPEED ALT V Δ SOT MOT ☽ b 3σ UT "/min ° mag LD ° ° % ° " 2019-05-22 2011 HP (H=22.1) 04:30:00 7.983 39.8 16.7 20.1 163 51 87 40.2 0 2019-05-23 2011 HP (H=22.1) 04:30:00 9.377 39.9 16.5 18.6 161 61 80 39.2 1 05:30:00 9.368 49.2 16.5 18.5 161 61 80 39.1 1 2019-05-24 2011 HP (H=22.1) 04:30:00 11.032 39.8 16.4 17.1 159 70 72 37.8 1 05:30:00 11.019 49.7 16.4 17.1 159 71 72 37.7 1 06:30:00 11.041 56.6 16.4 17.0 159 71 71 37.7 1 2019-05-25 2011 HP (H=22.1) 04:30:00 12.958 39.2 16.3 15.8 156 79 63 35.8 1 05:30:00 12.935 49.9 16.3 15.8 156 79 63 35.8 1 06:30:00 12.949 58.1 16.3 15.7 156 79 62 35.7 1 2019-05-26 2011 HP (H=22.1) 04:30:00 15.114 38.1 16.3 14.7 152 86 54 33.3 1 05:30:00 15.076 49.6 16.3 14.7 152 86 54 33.1 1 06:30:00 15.074 59.1 16.3 14.6 152 87 53 33.0 1 07:30:00 15.114 64.3 16.3 14.6 152 87 53 32.9 1 2019-05-27 2011 HP (H=22.1) 04:30:00 17.381 36.3 16.3 13.7 147 92 45 29.9 1 05:30:00 17.316 48.4 16.3 13.7 147 92 44 29.8 1 06:30:00 17.286 59.2 16.3 13.7 147 92 44 29.6 1 07:30:00 17.298 66.8 16.3 13.6 147 93 43 29.5 1 08:30:00 17.357 67.5 16.3 13.6 146 93 43 29.3 1 2019-05-28 2011 HP (H=22.1) 04:30:00 19.518 33.7 16.3 13.0 141 96 35 25.7 1 05:30:00 19.413 46.1 16.3 13.0 141 96 35 25.5 1 06:30:00 19.339 58.0 16.3 12.9 141 97 35 25.4 1 07:30:00 19.305 67.9 16.3 12.9 141 97 34 25.2 1 08:30:00 19.320 72.3 16.3 12.9 140 97 34 25.0 1 2019-05-29 2011 HP (H=22.1) 04:30:00 21.182 30.1 16.4 12.5 135 99 27 20.8 1 05:30:00 21.023 42.7 16.4 12.5 134 99 26 20.5 1 06:30:00 20.890 55.1 16.4 12.4 134 99 26 20.3 1 07:30:00 20.794 66.8 16.4 12.4 134 99 25 20.1 1