Schedule Observations Schedule Spectroscopic Observations
NameA10AraK → C/2021 Q3
Type Comet (Long Period)
Status Not Following
Source Minor Planet Center
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Recent Blocks Scheduled
Measurements
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Last Update: 2022-Feb-05 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59600.0 Jan. 21, 2022
Orbital inclination in deg 77.77711
Longitude of Ascending Node (deg) 307.9011
Arg of perihelion (deg) 114.09898
Eccentricity 0.9303533
Perihelion distance (AU) 5.2045423
Epoch of perihelion Jan. 26, 2022, 3:33 a.m.
Epoch of perihelion (MJD) 59605.14859
Total Magnitude (M1) 6.9
Slope Parameter (k1) 11.75
Physical Parameters
Reciprocal of semimajor axis E2022-CN4
0.013831 au +/- 0.0000086
+/- 0.0000086
PC autocmod 3.0a

8
0.03
K2 autocmod 3.0a

8
5.0
M2 from 3 observations, autocmod 3.0a

8
12.1 +/- 0.05
K1 autocmod 3.0a

8
11.75
M1 from 116 observations, assumed slope, autocmod 3.0a

8
6.9 +/- 0.4
Diameter Initial Diameter Guess using H=11.4 and albedo=0.14 (0.01 to 0.5)

MPC Default
18640.65 m +51106.0 / -8777.0
Follow-up Details
NEOCP digest2 score 35
Number of observations 124
Arc length (days) 170.00
Time since last observation (days) 22.06
Spectroscopy Details
Known Taxonomies None