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.