Past List of Leonids

This page provides the list of Leonids 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 Leonids

Date Time(UT) Solar Longitude A(max)
2019 Nov. 19th 18h(UT) 236°.852 1.02±0.25
2018 Nov. 18th 20h(UT) 236°.193 0.93±0.42
2017 Nov. 19th 00h(UT) 236°.621 1.22±0.38
2016 Nov. 20th 19h(UT) 238°.683 0.78±0.24
2015 Nov. 20th 10h(UT) 237°.558 0.60±0.35
2014 Nov. 18th 00h(UT) 235°.374 0.87±0.43
2013 Nov. 17th 22h(UT) 235°.550 0.73±0.24
2012 Nov. 18th 02h(UT) 235°.980 0.75±0.41
2011 Nov. 17th 20h(UT) 235°.236 0.89±0.35
2010 Nov. 17th 21h(UT)
Nov. 18th 23h(UT)
235°.278
236°.370
0.77±0.34
0.49±0.23
2009 Nov. 15th 16h(UT)
Nov. 17th 21h(UT)
Nov. 18th 21h(UT)
233°.309
235°.536
236°.545
0.72±0.37
2.93±0.53
1.64±0.73
2008 Nov. 16th 00h(UT)
Nov. 17th 02h(UT)
233°.899
234°.991
0.54±0.23
1.20±0.46
2007 Nov. 16th 12h(UT)
Nov. 18th 12h(UT)
233°.659
235°.675
0.65±0.24
0.52±0.20
2006 Nov. 19th 05h(UT) 236°.617 1.15±0.50
2005 Nov. 18th 01h(UT) 235°.707 0.57±0.42
2004 Nov. 17th 21h(UT)
Nov. 19th 12h(UT)
235°.798
237°.463
1.13±0.23
1.20±0.25
2003 Nov. 19th 06h(UT)
Nov. 19th 15h(UT)
236°.454
236°.832
0.86±0.10
2.54±0.35
2002 Nov. 19th 04h(UT)
Nov. 19th 11h(UT)
236°.631
236°.925
3.96±2.12(saturated)
6.19±0.64
2001 Nov. 18th 05h(UT)
Nov. 18th 10h(UT)
Nov. 18th 17h(UT)
Nov. 18th 23h(UT)
235°.915
236°.167
236°.419
236°.672
4.62±1.02
8.66±1.67
9.73±1.61(saturated)
5.03±0.88
2000 Nov. 17th 07h(UT)
Nov. 18th 03h(UT)
Nov. 18th 07h(UT)
235°.250
236°.087
236°.259
0.93±0.11
4.95±1.00
3.97±0.36
1999 Nov. 17th 08h(UT)
Nov. 18th 02h(UT)
Nov. 18th 15h(UT)
Nov. 18th 18h(UT)
234°.545
235°.301
235°.846
235°.977
2.36±1.28
10.81±0.39
3.31±1.63
1.98±0.50

Estimated Acticvity Compornents of Leonids

Date Comp.Code Peak Time(UT) Solar Longitude A(max) FWHM
2019 LEO19C01 Nov. 19th 06h30m 236°.35 0.3(*) -48.0 / +48.0
2018 LEO18C01
LEO18C02
Nov. 18th 21h30m
Nov. 20th 06h30m
236°.24
237°.62
0.7
0.5
-2.0 / +1.0
-30.0 / +18.0
2017 LEO17C01 Nov. 18th 15h30m 236°.24 0.4(*) -42.0 / +42.0
2016 LEO16C01 Nov. 20th 00h30m 237°.88 0.2(*) -24.0 / +24.0
2015 LEO15C01 Nov. 20th 04h30m 237°.31 0.3(*) -24.0 / +24.0
2014 LEO14C01 Nov. 18th 09h30m 235°.75 0.5 -24.0 / +24.0
2013 LEO13C01 Nov. 18th 06h30m 235°.89 0.4(*) -24.0 / +24.0
2012 LEO12C01 Nov. 18th 14h30m 236°.48 0.5 -24.0 / +24.0
2011 LEO11C01 Nov. 17th 20h30m 235°.24 1.0 -2.0 / +2.0
2010 LEO10C01
LEO10C02
Nov. 17th 21h30m
Nov. 18th 23h30m
235°.28
236°.37
0.8
0.5
-4.0 / +1.0
-3.0 / +6.0
2009 LEO09C01
LEO09C02
LEO09C03
LEO09C04
Nov. 15th 18h30m
Nov. 17th 14h30m
Nov. 17th 21h30m
Nov. 18th 21h30m
223°.39
235°.20
235°.54
236°.55
0.5
2.5
1.0
0.5
-2.5 / +1.0
-1.5 / +1.0
-1.0 / +2.0
-24.0 / +24.0
2008 LEO08C01
LEO08C02
LEO08C03
Nov. 16th 02h00m
Nov. 17th 02h00m
Nov. 18th 01h00m
233°.98
234°.99
235°.96
0.5
1.3
0.8
-1.5 / +3.0
-4.0 / +2.0
-2.0 / +3.0
2007 LEO07C01 Nov. 18th 12h30m 235°.67 0.4(*) -20.0 / +20.0
2006 LEO06C01
LEO06C02
LEO06C03
Nov. 18th 04h00m
Nov. 19th 04h00m
Nov. 19th 05h00m
235°.57
236°.58
236°.63
0.5
0.4(*)
1.0
-8.5 / +4.0
-5.0 / +12.0
-1.0 / +0.5
2005 LEO05C01 Nov. 18th 00h00m 235°.67 0.6 -5.0 / +8.0
2004 LEO04C01
LEO04C02
LEO04C03
Nov. 17th 21h00m
Nov. 18th 21h00m
Nov. 19th 13h00m
235°.80
236°.81
237°.48
0.8
0.8
1.0
-4.0 / +2.0
-5.0 / +2.0
-5.0 / +8.0
2003 LEO03C01
LEO03C02
LEO03C03
Nov. 19th 06h30m
Nov. 19th 15h30m
Nov. 19th 18h30m
236°.45
236°.83
236°.96
0.8
2.5
0.8
-3.0 / +1.5
-1.2 / +0.8
-1.5 / +3.0
2002 LEO02C01
LEO02C02
LEO02C03
LEO02C04
Nov. 18th 23h30m
Nov. 19th 04h00m
Nov. 19th 06h30m
Nov. 19th 11h00m
236°.421
236°.631
236°.715
236°.926
1.5
8.0
2.0
7.5
-3.0 / +2.5
-2.0 / +1.0
-0.5 / +1.5
-1.5 / +2.5
2001 LEO01C01
LEO01C02
LEO01C03
LEO01C04
LEO01C05
Nov. 18th 05h30m
Nov. 18th 10h45m
Nov. 18th 15h30m
Nov. 18th 17h30m
Nov. 18th 23h30m
236°.01
236°.14
236°.30
236°.43
236°.68
2.5
8.0
2.0
11.0
2.5
-1.5 / +0.5
-1.2 / +1.0
-12.0 / +12.0
-1.0 / +2.0
-1.0 / +1.5
2000 LEO00C01
LEO00C02
LEO00C03
Nov. 17th 09h00m
Nov. 18th 02h30m
Nov. 18th 07h15m
235°.30
236°.05
236°.25
1.0
5.0
3.5
-6.0 / +6.0
-2.0 / +1.5
-1.0 / +1.5
1999 LEO99C01
LEO99C02
LEO99C03
Nov. 17th 10h00m
Nov. 18th 02h30m
Nov. 18th 02h30m
234°.62
235°.31
235°.73
2.0
11.0
3.0
-3.0 / +4.0
-1.0 / +1.5
-5.0 / +5.0

(*) these values mean unusual activity level that are 0.0±0.4.

Posted by Hiroshi Ogawa