Schedule Observations Schedule Spectroscopic Observations
NameP11bX5O → C/2021 A9
Type Comet (Hyperbolic)
Status Actively Following
Characterization Target
Source LOOK Project
Check Spectroscopic Feasibility Create LC Plot
Recent Blocks Scheduled
Measurements
Show Measurements
Plot Visibility
Last Update: 2023-Jun-03 19:52
Orbital Elements
MPC Comet
Epoch of elements (MJD)
60000.0 Feb. 25, 2023
Orbital inclination in deg 158.01937
Longitude of Ascending Node (deg) 314.84163
Arg of perihelion (deg) 211.45721
Eccentricity 1.0024123
Perihelion distance (AU) 7.7601685
Epoch of perihelion Dec. 1, 2023, 12:57 p.m.
Epoch of perihelion (MJD) 60279.54018
Total Magnitude (M1) 6.7
Slope Parameter (k1) 9.0
Physical Parameters
Reciprocal of semimajor axis E2023-K53
0.000089 au +/- 0.0000027
+/- 0.0000027
K1 autocmod 3.0f

32
9.0
M1 from 225 observations, assumed slope, autocmod 3.0f

32
6.7 +/- 0.6
Diameter Initial Diameter Guess using H=11.1 and albedo=0.14 (0.01 to 0.5)

MPC Default
21402.33 m +58678.0 / -10077.0
Follow-up Details
NEOCP digest2 score 35
Number of observations 259
Arc length (days) 800.00
Time since last observation (days) 2.83
Spectroscopy Details
Known Taxonomies None