Meteor Shower #56

Overview

# Radiants # Meteors Median Rank MDC # Abbrev. Name Status
9 542 1 136 SLE sigma-Leonids w

Activity Interval

Source Begin Mean Max End
Sol. Long.
[°]
Date Sol. Long.
[°]
Date Sol. Long.
[°]
Date Sol. Long.
[°]
Date
#56 18 Apr 08 22 Apr 12 21 Apr 11 26 Apr 16
SLE - - 28 Apr 18 - - - -

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]
#56 198.5 0.4 3.9 0.0 198.1 4.5 195.6 0.4 10.9 0.2 194.9 11.3 22.4 24.0
SLE 192.6 - 3.1 - - - 190.4 - 7.8 - - - 25.6 -

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
18 Apr 08 2 197.0 4.0 2.3 194.1 10.4 22.0 1.4 127 3.8 199 0.9 0.7
19 Apr 09 2 196.4 3.5 2.3 193.7 9.7 22.0 1.3 110 3.9 174 0.9 0.7
20 Apr 10 2 197.4 3.5 2.3 194.7 10.1 23.0 1.5 105 5.3 166 1.3 0.9
21 Apr 11 1 198.1 4.5 2.2 194.9 11.3 24.0 1.6 111 6.1 173 1.4 1.0
22 Apr 12 1 199.6 4.5 2.0 196.4 11.8 23.0 1.0 85 4.8 133 1.1 0.8
23 Apr 13 1 199.5 4.0 2.3 196.5 11.3 22.0 1.2 106 5.8 167 1.4 1.0
24 Apr 14 1 199.9 3.5 1.9 197.0 11.0 22.0 1.4 106 4.5 167 1.1 0.8
25 Apr 15 1 199.5 4.0 1.7 196.5 11.3 22.0 1.3 127 5.1 198 1.2 0.9
26 Apr 16 1 199.5 4.0 2.2 196.5 11.3 22.0 1.5 117 5.6 182 1.3 1.0

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