Meteor Shower #155

Overview

# Radiants # Meteors Median Rank MDC # Abbrev. Name Status Technique # Orbits
19 370 7 448 AAL April-alpha-Librids r T 8

Activity Interval

Source Begin Mean Max End
Sol. Long.
[°]		 Date Sol. Long.
[°]		 Date Sol. Long.
[°]		 Date Sol. Long.
[°]		 Date
#155 18.5 Apr 09 19.6 Apr 10 19.5 Apr 10 21.0 Apr 11
AAL - - 14.4 Apr 04 - - - -

Position and Velocity

Source Equatorial Position Ecliptical Position Velocity
Mean @ Max Mean @ Max Mean @ Max
RA
[°]		 Drift RA
[°/°]		 Decl.
[°]		 Drift DE
[°/°]		 RA
[°]		 Decl.
[°]		 Long.
[°]		 Drift Lon
[°/°] 		SC Long.
[°]		 Drift SC Long.
[°/°] 		Lat.
[°]		 Drift Lat.
[°/°]		 Long.
[°]		 SC Long.
[°]		 Lat.
[°]		 Vinf
[km/s]		 Vinf
[km/s]
#155 219.2 -0.1 -10.2 2.2 216.5 -9.5 220.1 -0.8 200.4 -1.8 4.9 2.1 217.3 197.8 4.7 38.3 37.5
AAL 219.7 - -13.0 - - - 221.4 - 207.0 - 2.4 - - - - 39.3 -

Individual Radiants

Sol. Long.
[°]		 Date Rank Equatorial Coord. Ecliptical Coord. Velocity # Meteors
RA
[°]		 Decl.
[°]		 +/-
[°]		 Long.
[°]		 SC Long.
[°]		 Lat.
[°]		 Vinf
[km/s]		 +/-
[km/s]		 Abs. Rel. Abs. Norm. Rel. Norm. Rel. Norm. SPO
18.5 Apr 09 7 218.2 -10.5 2.2 219.2 200.7 4.3 39.0 2.6 24 2.4 61 0.9 0.7
18.6 Apr 09 6 220.6 -14.0 2.4 222.5 203.9 1.7 40.0 3.3 47 4.7 140 2.1 1.5
18.7 Apr 09 9 220.6 -13.5 2.3 222.4 203.7 2.2 40.0 3.8 43 3.9 125 1.7 1.2
18.9 Apr 09 7 221.0 -15.0 2.3 223.2 204.3 0.8 38.5 2.8 42 3.6 130 1.7 1.2
19.0 Apr 09 3 219.0 -14.0 2.1 221.0 202.0 1.2 32.5 4.7 31 2.8 86 1.2 0.8
19.1 Apr 09 2 220.3 -10.0 2.3 221.0 201.9 5.4 37.0 4.2 41 4.8 96 1.7 1.2
19.2 Apr 09 1 221.4 -10.0 1.2 222.1 202.9 5.7 38.0 3.0 26 3.0 62 1.1 0.8
19.3 Apr 09 4 219.7 -6.0 1.9 219.2 199.9 9.0 36.5 2.3 25 2.6 50 0.8 0.6
19.5 Apr 10 3 216.5 -9.5 2.0 217.3 197.8 4.7 37.5 2.7 74 6.8 175 2.4 1.7
19.6 Apr 10 3 217.0 -9.5 2.2 217.8 198.2 4.9 37.5 3.4 70 6.7 165 2.4 1.7
19.7 Apr 10 15 219.7 -9.0 2.0 220.2 200.5 6.2 40.5 3.3 37 3.7 89 1.3 1.0
19.8 Apr 10 11 219.5 -11.0 1.9 220.6 200.8 4.2 40.0 2.2 29 3.3 76 1.3 1.0
20.0 Apr 10 4 214.4 -9.5 1.8 215.3 195.3 4.0 34.5 2.7 28 4.1 61 1.3 1.0
20.2 Apr 10 10 225.1 -11.0 2.0 225.9 205.7 5.8 40.5 5.0 23 2.7 55 1.0 0.7
20.4 Apr 10 9 221.7 -9.0 2.3 222.0 201.6 6.8 35.5 2.5 26 3.8 60 1.3 1.0
20.5 Apr 11 18 219.1 -8.0 2.3 219.3 198.8 6.9 43.5 3.2 34 3.6 78 1.2 0.9
20.7 Apr 11 9 221.9 -3.5 1.7 220.6 199.9 12.1 39.5 4.6 33 2.8 69 0.9 0.6
20.8 Apr 11 9 218.6 -7.0 2.3 218.5 197.7 7.7 38.0 2.9 34 3.9 73 1.3 0.9
21.0 Apr 11 5 217.1 -10.5 2.1 218.2 197.2 3.9 38.0 3.9 38 5.3 86 1.8 1.3

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