C/2013 E2 (Iwamoto)
DEPARTED
Type: Periodic
Perihelion date: 9 March 2013
Perihelion distance (q): 1.4
Aphelion distance (Q) : 465
Period (years): 3,557
Eccentricity (e): 0.99
Inclination (i): 21.9
JPL orbit diagram
COBS lightcurve
Masayuki Iwamoto discovered a 14th magnitude comet on images taken with his
10cm refractor at Tokushima on 10 March 2013. The comet was near perihelion at
1.4 au and was just over 40 degrees elongation from the Sun in the dawn sky.
Observations (VEMag = visual equivalent magnitude)
Date
10x10 mag
Error
VEmag
Coma '
09-Jun-13
15.04
0.08
13.3
0.3
23-Jun-13
15.49
0.04
13.5
0.3
03-Jul-13
15.20
0.02
13.1
0.6
31-Jul-13
15.54
0.02
13.4
0.3
13-Aug-13
15.75
0.02
14.1
0.7
29-Aug-13
15.50
0.02
13.7
0.5
13-Sep-13
15.72
0.08
14.3
0.4
27-Sep-13
15.47
0.01
13.6
0.5
07-Oct-13
15.57
0.03
14.0
0.4
25-Oct-13
16.08
0.04
14.5
0.4
09-Nov-13
16.22
0.03
14.0
0.3
15-Dec-13
17.35
0.09
15.9
0.2
31-Dec-13
17.71
0.06
16.5
0.3
11-Jan-14
17.95
0.19
17.1
0.2