C/2014 A4 (SONEAR)
DEPARTED
Type: Hyperbolic
Perihelion date: 5 September 2015
Perihelion distance (q): 4.2
Aphelion distance (Q) : n/a
Period (years): n/a
Eccentricity (e): 1.00
Inclination (i): 121.4
JPL orbit diagram
COBS lightcurve
An 18th magnitude object was discovered by Cristovao Jacques, Eduardo Pimentel
and Joao Ribeiro de Barros with the 0.46m telescope at the Southern Observatory
for Near Earth Research at Oliveira, Brazil on 12 January 2014. It was noted as
cometary by other astrometrists.
Observations (VEMag = visual equivalent magnitude)
Date
10x10 mag
Error
VEmag
Coma '
18-Jan-14
17.58
0.09
17.1
0.3
29-Jan-14
17.70
0.02
17.5
0.2
05-Feb-14
17.25
0.04
17.1
0.3
17-Feb-14
17.84
0.05
17.6
0.2
24-Feb-14
17.47
0.03
17.1
0.3
03-Mar-14
17.38
0.03
17.1
0.2
13-Mar-14
17.37
0.15
17.3
0.2
20-Mar-14
17.38
0.06
17.2
0.2
04-Apr-14
17.29
0.06
17.2
0.2
12-Apr-14
17.29
0.05
17.2
0.2
05-Aug-14
16.63
0.04
16.2
0.2
27-Aug-14
16.50
0.04
16.0
0.3
11-Sep-14
16.45
0.07
15.9
0.2
20-Sep-14
16.37
0.03
15.7
0.5
28-Sep-14
16.30
0.01
15.4
0.3
06-Oct-14
16.22
0.05
15.3
0.2
07-Oct-14
16.24
0.05
15.7
0.2
15-Oct-14
16.01
0.01
15.1
0.4
18-Oct-14
15.86
0.03
12.8
0.2
20-Oct-14
16.09
0.04
15.0
0.4
27-Oct-14
16.08
0.02
15.2
0.4
03-Nov-14
15.99
0.02
15.1
0.3
10-Nov-14
16.07
0.02
15.4
0.4
17-Nov-14
15.94
0.05
15.1
0.4
24-Nov-14
15.83
0.05
13.1
0.4
01-Dec-14
16.06
0.04
15.4
0.3
08-Dec-14
16.09
0.04
15.3
0.4
15-Dec-14
16.14
0.03
15.3
0.4
23-Dec-14
16.23
0.02
15.6
0.3
30-Dec-14
16.25
0.04
15.4
0.3
29-Jan-15
16.48
0.04
15.3
0.2
27-Jun-15
16.38
0.09
15.8
0.2
19-Jul-15
16.33
0.07
15.9
0.2
26-Jul-15
16.31
0.07
15.0
0.2
09-Aug-15
16.33
0.05
14.4
0.2
23-Aug-15
16.15
0.02
14.9
0.3
07-Sep-15
15.98
0.02
15.2
0.4
14-Sep-15
16.00
0.01
15.2
0.4
21-Sep-15
15.96
0.02
15.2
0.3
09-Oct-15
15.68
0.01
14.9
0.7
19-Oct-15
15.49
0.01
14.5
0.4
31-Oct-15
15.79
0.01
14.9
0.3
09-Nov-15
15.94
0.02
15.1
0.3
16-Nov-15
16.08
0.04
15.1
0.3
09-Dec-15
16.38
0.02
14.6
0.3
28-May-16
16.99
0.05
16.0
0.2
26-Aug-16
16.85
0.01
15.4
0.3
03-Sep-16
16.78
0.06
15.6
0.3
24-Sep-16
16.87
0.03
13.9
0.3
08-Oct-16
17.06
0.04
16.8
0.2
30-Oct-16
17.18
0.01
16.7
0.2
06-Nov-16
17.35
0.10
17.1
0.2