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Commission F1
Division F,
IAU
[00006] [LYR]
Name-designation: April Lyrids
Shower status - Established
Activity
AdNo
Sl_b
Sl_e
Sl_a
RA
DE
dRA
dDE
V
LoR
SLoR
LaR
Theta
Phi
a
q
e
Peri
Node
Incl
N
T
A
O
R
References
[deg]
[deg/day]
[km/s]
[deg]
[AU]
[AU]
[deg]
annual
000
-
32.20
272.36
33.31
1.17
0.51
47.07
273.59
241.39
56.72
118.80
197.45
56.0
0.918
0.984
214.52
32.20
79.51
00007
P
Kresak and Porubcan, 1970
annual
002
31.40
33.40
32.40
271.86
33.60
1.10
0.31
47.6
272.84
240.44
57.02
118.26
197.75
28
0.919
0.968
214.32
33.20
79.01
00005
Cook, 1973
annual
003
-
32.4
272.0
33.3
47.1
273.05
240.65
56.72
118.57
197.84
0.919
0.989
214.2
32.4
79.8
00006
P
1
Jopek et al., 2003
2002/06
004
31
33
32.5
272.3
32.6
1.50
-0.30
47.3
273.47
240.97
56.01
119.26
198.12
22.2
0.913
0.9589
215.8
32.3
80.7
00026
R
Brown et al., 2008
2007/08
005
24.3
41.6
32.5
272.6
33.2
0.82
-0.29
46.7
273.95
241.45
56.60
118.92
197.49
00073
T
SonotaCo, 2009
2002/08
006
30
34
32
272.2
32.6
0.62
-0.33
46.6
273.32
241.32
56.01
119.37
197.93
10.85
0.9149
0.916
215.71
32.0
80.0
01197
R
Brown et al., 2010
2010/13
007
21
45
32
272.0
33.4
0.66
0.02
46.7
273.05
241.05
56.82
118.61
197.56
10.8
0.921
0.956
214.0
32.3
79.4
00258
T
M
1
1
Jenniskens et al., 2016
annual
009
22.53
38.02
32.18
272.2
33.4
0.78
-0.21
46.8
273.36
241.18
56.81
118.66
197.50
25.1
0.921
0.963
214.0
32.2
79.7
00601
T
Shiba,2023, submitted to wgn.
Parent body:
C/1861 G1 (Thatcher)
Notes: