Meteor Shower #173

Overview

# Radiants # Meteors Median Rank MDC # Abbrev. Name Status Technique # Orbits
21 486 8 581 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
#173 32.3 Apr 23 33.4 Apr 24 32.3 Apr 23 35.1 Apr 26
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]
#173 261.3 2.2 38.9 0.2 260.4 41.0 255.5 3.7 222.1 2.7 61.8 0.4 253.4 221.1 63.9 38.8 42.0
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
32.3 Apr 23 7 260.4 41.0 2.0 253.4 221.1 63.9 42.0 2.3 98 7.2 129 1.4 1.1
32.4 Apr 23 8 260.5 39.5 1.6 254.0 221.6 62.4 41.5 2.2 92 4.7 122 0.9 0.7
32.6 Apr 23 10 255.0 41.5 1.6 244.2 211.6 63.6 36.0 2.3 47 2.9 59 0.5 0.4
32.7 Apr 23 6 259.0 37.5 2.0 252.2 219.5 60.3 40.5 2.8 63 5.1 84 1.0 0.8
32.9 Apr 23 9 263.8 33.5 1.9 260.5 227.6 56.7 43.0 3.6 60 6.5 86 1.4 1.1
33.0 Apr 23 8 257.0 41.5 2.1 247.5 214.5 63.9 39.0 4.4 41 4.4 66 1.1 0.8
33.2 Apr 24 8 260.8 38.0 2.6 255.0 221.8 61.0 38.5 2.3 46 4.6 67 1.0 0.8
33.3 Apr 24 8 259.4 36.5 1.6 253.2 219.9 59.3 36.0 2.7 36 3.4 48 0.7 0.5
33.5 Apr 24 20 256.5 36.0 1.9 248.8 215.3 58.5 37.0 2.1 15 1.5 20 0.3 0.2
33.6 Apr 24 5 260.1 38.0 1.9 253.8 220.2 60.9 38.5 2.6 47 4.0 63 0.8 0.6
33.7 Apr 24 4 263.1 39.5 1.8 258.4 224.7 62.7 36.5 3.1 48 4.5 64 0.9 0.7
33.8 Apr 24 5 263.1 39.5 1.5 258.4 224.6 62.7 36.5 2.6 44 4.4 59 0.9 0.7
34.0 Apr 24 8 257.4 39.0 2.7 249.2 215.2 61.5 33.5 2.2 28 3.6 39 0.7 0.6
34.2 Apr 25 10 261.6 35.5 2.0 256.8 222.6 58.6 42.0 3.2 27 3.2 39 0.7 0.5
34.4 Apr 25 14 265.6 40.5 1.7 262.4 228.0 63.8 35.0 2.4 29 2.6 39 0.5 0.4
34.5 Apr 25 11 268.3 39.5 1.8 267.1 232.6 62.9 34.5 1.7 37 3.3 51 0.7 0.5
34.6 Apr 25 11 268.3 39.5 2.2 267.1 232.5 62.9 34.5 2.7 40 3.3 55 0.7 0.5
34.7 Apr 25 12 259.8 35.5 2.4 254.0 219.3 58.4 37.0 2.5 36 3.6 48 0.7 0.6
34.8 Apr 25 11 263.0 41.0 1.6 257.8 223.0 64.1 43.0 4.2 36 4.2 47 0.8 0.6
34.9 Apr 25 8 262.4 41.0 1.8 256.8 221.9 64.1 38.0 2.3 26 3.4 34 0.7 0.5
35.1 Apr 26 5 265.7 41.0 1.9 262.5 227.4 64.3 37.5 4.6 21 3.3 29 0.7 0.5

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