Meteor Shower #177

Overview

# Radiants # Meteors Median Rank MDC # Abbrev. Name Status Technique # Orbits
8 117 9 581 NHE 90-Herculids w T 18

Activity Interval

Source Begin Mean Max End
Sol. Long.
[°]		 Date Sol. Long.
[°]		 Date Sol. Long.
[°]		 Date Sol. Long.
[°]		 Date
#177 35.4 Apr 26 36.0 Apr 26 36.5 Apr 27 36.7 Apr 27
NHE - - 38.0 Apr 29 - - - -

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]
#177 263.9 5.1 38.2 -2.4 265.1 38.5 259.8 8.9 223.7 7.9 61.4 -2.1 261.9 225.4 61.8 41.0 43.0
NHE 264.3 0.5 40.3 0.2 - - 260.2 0.8 222.2 -0.2 63.5 0.2 - - - 40.6 -

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
35.4 Apr 26 10 260.4 42.5 2.1 252.8 217.4 65.4 45.5 2.5 24 3.1 30 0.6 0.5
35.6 Apr 26 9 261.9 39.0 1.9 256.5 220.9 62.1 38.5 3.5 30 3.3 39 0.7 0.5
35.8 Apr 26 16 266.2 31.5 1.9 264.4 228.6 54.9 34.0 1.8 15 2.3 22 0.5 0.4
36.0 Apr 26 3 263.9 38.5 1.8 259.9 223.9 61.7 41.0 1.8 35 3.4 50 0.7 0.6
36.1 Apr 27 1 263.9 38.5 1.8 259.9 223.8 61.7 41.0 2.6 37 4.4 53 0.9 0.7
36.3 Apr 27 8 262.8 37.5 1.9 258.3 222.0 60.6 37.0 1.8 21 3.1 28 0.6 0.5
36.5 Apr 27 6 265.1 38.5 2.0 261.9 225.4 61.8 43.0 3.6 34 5.6 46 1.1 0.9
36.7 Apr 27 14 270.2 35.5 2.2 270.3 233.6 58.9 48.0 4.6 14 2.7 20 0.6 0.5

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