Schedule Observations Schedule Spectroscopic Observations
NameC4WH682 → C/2021 C1
Type Comet (Long Period)
Status Actively Following
Source Minor Planet Center
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Recent Blocks Scheduled
  • No blocks have been scheduled
Measurements
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Last Update: 2022-Jan-05 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59600.0 Jan. 21, 2022
Orbital inclination in deg 143.04352
Longitude of Ascending Node (deg) 186.89537
Arg of perihelion (deg) 336.30009
Eccentricity 0.9999338
Perihelion distance (AU) 3.4808503
Epoch of perihelion Dec. 7, 2020, 2:30 a.m.
Epoch of perihelion (MJD) 59190.10470
Total Magnitude (M1) 11.2
Slope Parameter (k1) 11.0
Physical Parameters
Reciprocal of semimajor axis E2022-C56
0.000211 au +/- 0.0000001
+/- 0.0000001
K1 autocmod 3.0a

9
11.0
M1 2 parameter fit from 148 observations, autocmod 3.0a

9
11.2 +/- 0.5
Diameter Initial Diameter Guess using H=14.1 and albedo=0.14 (0.01 to 0.5)

MPC Default
5376.02 m +14739.0 / -2531.0
Follow-up Details
NEOCP digest2 score 35
Number of observations 157
Arc length (days) 328.00
Time since last observation (days) 53.07
Spectroscopy Details
Known Taxonomies None