HOME > Results > Perseids > Past List

Annual Variation List of Perseids

This page provides the list of Perseids annual variation using Radio Meteor Observation. Annnual variation graphs is also provided. Each year text connects to detail information of the year.

Observed Peak Times of Perseids

DateTime(UT)Solar LongitudeA(max)
2001 12th Aug.16h(UT)
13th Aug.16h(UT)
140°.000
140°.960
2.13±0.08
1.48±0.03
2002 12th Aug.19h(UT)
13th Aug.22h(UT)
139°.882
140°.957
1.86±0.87
0.88±0.38
2003 12th Aug.23h(UT) 139°.787 2.01±0.35
2004 11th Aug.22h(UT)
12th Aug.13h(UT)
139°.499
140°.104
2.53±0.39
1.83±0.65
2005 12th Aug.01h(UT)
12th Aug.23h(UT)
139°.380
140°.253
1.68±0.46
1.74±0.36
2006 13th Aug.00h(UT) 140°.058 1.48±0.58
2007 13th Aug.01h(UT)
13th Aug.11h(UT)
139°.853
140°.253
1.32±0.44
1.31±0.17
2008 12th Aug.02h(UT)
13th Aug.03h(UT)
139°.646
140°.645
1.38±0.25
2.33±0.46
2009 12th Aug.20h(UT) 140°.116 1.90±0.81
2010 12th Aug.19h(UT)
13th Aug.02h(UT)
139°.837
140°.117
1.36±0.67
1.28±0.60
2011 13th Aug.01h(UT)
13th Aug.04h(UT)
139°.829
139°.949
2.00±0.45
2.23±0.17
2012 12th Aug.09h(UT) 139°.899 2.00±0.35
2013 12th Aug.10h(UT)
12th Aug.15h(UT)
139°.695
139°.895
1.47±0.32
1.46±0.27
2014 12th Aug.20h(UT)
13th Aug.01h(UT)
139°.851
140°.051
2.10±0.37
2.12±0.37
2015 13th Aug.01h(UT)
13th Aug.06h(UT)
139°.802
140°.002
2.14±0.58
3.40±0.38
2016 11th Aug.23h(UT)
12th Aug.06h(UT)
139°.474
139°.754
4.21±0.38
3.72±0.97
2017 12th Aug.17h(UT) 139°.949 1.74±0.69

Estimated Acticvity Compornents of Perseids

DateComp.CodePeak Time(UT)Solar LongitudeA(max)FWHM
2001 PER01C01 12th Aug. 18:30 140°.086 2.0 -6.0 / +5.0
2002 PER02C01
PER02C02
12th Aug. 19:30
13th Aug. 21:30
139°.882
140°.919
2.0
1.0
-3.0 / +3.5
-3.0 / +3.0
2003 PER03C01 12th Aug. 23:30 139°.787 1.5 -6.0 / +8.0
2004 PER04C01
PER04C02
11th Aug. 22:30
12th Aug. 13:00
139°.499
140°.104
2.0
1.5
-2.0 / +3.5
-12.0 / +14.0
2005 PER05C01
PER05C02
12th Aug. 03:00
13th Aug. 02:00
139°.457
140°.378
1.5
1.5
-4.0 / +6.0
-6.0 / +4.0
2006 PER06C01 13th Aug. 00:00 140°.058 1.2 -9.0 / +9.0
2007 PER07C01 13th Aug. 11:00 140°.253 1.3 -20.0 / +15.0
2008 PER08C01
PER08C02
12th Aug. 02:30
13th Aug. 03:30
139°.646
140°.645
1.0
2.0
-10.0 / +10.0
-4.0 / +1.0
2009 PER09C01
PER09C02
12th Aug. 14:00
12th Aug. 20:00
139°.876
140°.116
0.6
1.7
-18.0 / +3.0
-2.5 / +4.0
2010 PER10C01 12th Aug. 23:30 139°.997 1.0 -10.0 / +14.0
2011 PER11C01
PER11C02
13th Aug. 02:30
13th Aug. 02:30
139°.869
139°.869
1.0
0.9
-2.0 / +2.0
-18.0 / +24.0
2012 PER12C01 12th Aug. 09:30 139°.899 1.5 -12.0 / +18.0
2013 PER13C01 12th Aug. 16:30 139°.935 1.5 -13.0 / +14.0
2014 PER14C01 12th Aug. 22:30 139°.931 2.0 -12.0 / +18.0
2015 PER15C01
PER15C02
13th Aug. 01:30
13th Aug. 06:30
139°.802
140°.002
2.0
1.5
-10.0 / +18.0
-1.0 / +2.0
2016 PER16C01
PER16C02
11th Aug. 23:30
12th Aug. 06:30
139°.474
139°.754
2.0
3.0
-0.5 / +0.5
-10.0 / +15.0
2017 PER17C01 12th Aug. 16:30 139°.909 1.5 -13.0 / +18.0