C/2022 S4 (Lemmon)
DEPARTED
Type: Hyperbolic
Perihelion date: 18 July 2024
Perihelion distance (q): 2.8
Aphelion distance (Q) : n/a
Period (years): n/a
Eccentricity (e): 1.00
Inclination (i): 101.2
JPL orbit diagram
COBS lightcurve
An apparently asteroidal object of 21st magnitude was found by the Mt Lemmon
Survey in images taken with the 1.5-m reflector on 19 September 2022. It was placed
on the PCCP as C819FC2 after cometary characteristics were noted by
astrometrists. There were pre-discovery PanSTARRS 2 images from 26 August 2022.
Observations (VEMag = visual equivalent magnitude)
Date
10x10 mag
Error
VEmag
Coma '
11-Sep-23
17.7
0.4
20-Sep-23
17.6
0.4
21-Sep-23
17.5
0.4
07-Oct-23
17.8
0.4
14-Oct-23
17.3
0.4
22-Oct-23
17.3
0.4
03-Nov-23
17.3
0.4
12-Nov-23
17.4
0.4
07-Dec-23
17.7
0.4
29-Dec-23
17.5
0.4
09-Jan-24
17.9
0.4