Meteor Shower #31

Overview

# Radiants # Meteors Median Rank MDC # Abbrev. Name Status
22 910 1 112 NDL North.-delta-Leonids w

Activity Interval

Source Begin Mean Max End
Sol. Long.
[°]
Date Sol. Long.
[°]
Date Sol. Long.
[°]
Date Sol. Long.
[°]
Date
#31 322 Feb 11 333 Feb 21 339 Feb 28 343 Mar 04
NDL - - 335 Feb 24 - - - -

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
[°/°]
Lat.
[°]
Drift LAT
[°/°]
Long.
[°]
Lat.
[°]
Vinf
[km/s]
Vinf
[km/s]
#31 164.6 1.1 8.5 -0.3 171.6 9.0 162.5 1.2 1.9 0.2 168.7 4.9 29.1 31.0
NDL 168.0 - 16.0 - - - 162.7 - 10.0 - - - 23.0 -

Individual Radiants

Sol. Long.
[°]
Date Rank Equatorial Coord. Ecliptical Coord. Velocity # Meteors
RA
[°]
Decl.
[°]
+/-
[°]
Long.
[°]
Lat.
[°]
Vinf
[km/s]
+/-
[km/s]
Abs. Rel. Abs. Norm. Rel. Norm. Rel. Norm. SPO
322 Feb 11 1 156.9 12.0 2.5 154.2 2.2 30.0 1.8 77 3.7 130 0.9 0.7
323 Feb 12 11 154.3 10.0 1.8 152.6 -0.6 29.0 1.5 64 3.5 109 0.9 0.6
324 Feb 13 1 154.9 10.0 2.0 153.1 -0.4 29.0 1.5 84 4.5 143 1.1 0.8
325 Feb 14 1 155.9 10.0 2.0 154.0 -0.0 27.0 1.6 68 3.9 115 1.0 0.7
326 Feb 15 1 160.1 14.5 1.9 156.2 5.7 28.0 1.5 66 3.4 105 0.8 0.6
327 Feb 16 1 159.4 11.0 2.2 156.9 2.2 27.0 1.5 101 4.6 171 1.2 0.8
328 Feb 17 1 159.2 9.5 2.3 157.2 0.7 29.0 1.9 85 4.4 150 1.2 0.8
329 Feb 18 1 159.2 9.5 2.1 157.2 0.7 29.0 1.5 74 4.3 128 1.1 0.8
330 Feb 19 2 159.7 10.5 2.1 157.3 1.8 29.0 1.7 88 4.7 148 1.2 0.8
331 Feb 20 1 160.3 8.5 2.1 158.6 0.2 31.0 1.6 67 3.8 118 1.0 0.7
332 Feb 21 1 158.4 4.0 2.0 158.5 -4.7 26.0 1.5 61 4.1 114 1.2 0.8
333 Feb 22 1 160.4 7.5 2.2 159.1 -0.7 28.0 1.3 63 4.3 111 1.1 0.8
334 Feb 23 1 165.1 8.0 2.3 163.2 1.5 30.0 1.3 80 4.8 140 1.3 0.9
335 Feb 24 1 166.0 10.0 2.2 163.2 3.7 29.0 1.3 94 4.4 157 1.1 0.8
336 Feb 25 1 168.4 4.0 1.7 167.8 -0.9 29.0 1.7 102 4.1 184 1.1 0.8
337 Feb 26 1 168.3 7.0 2.2 166.5 1.8 30.0 1.6 96 4.0 168 1.1 0.7
338 Feb 27 2 170.6 9.0 2.2 167.8 4.6 31.0 1.8 85 4.5 144 1.1 0.8
339 Feb 28 1 171.6 9.0 2.4 168.7 4.9 31.0 1.9 86 5.3 145 1.3 0.9
340 Mar 01 1 171.2 5.0 1.9 169.9 1.1 28.0 1.3 65 4.4 116 1.2 0.8
341 Mar 02 1 175.7 8.0 2.1 172.9 5.6 30.0 1.6 80 4.6 137 1.2 0.8
342 Mar 03 2 180.7 6.5 2.2 178.0 6.2 31.0 2.0 77 4.4 141 1.2 0.8
343 Mar 04 16 179.8 3.5 2.3 178.4 3.1 28.0 1.9 73 4.2 137 1.2 0.8

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