• 2025-06-02 14:14 UTC
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NameP11k2mj → P/2021 R1
Type Comet (Jupiter Family)
Status Actively Following
Characterization Target
Source LOOK Project
Check Spectroscopic Feasibility Create LC Plot
Recent Blocks Scheduled
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Measurements
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Last Update: 2025-Apr-28 07:05
Orbital Elements
MPC Comet
Epoch of elements (MJD)
60000.0 Feb. 25, 2023
Orbital inclination in deg 5.51906
Longitude of Ascending Node (deg) 143.35309
Arg of perihelion (deg) 220.35709
Eccentricity 0.41472
Perihelion distance (AU) 4.8860642
Epoch of perihelion Dec. 17, 2021, 1:33 a.m.
Epoch of perihelion (MJD) 59565.06473
Total Magnitude (M1) 7.5
Slope Parameter (k1) 15.25
Physical Parameters
K1 autocmod 3.0e

9
15.25
M1 from 124 observations, assumed slope, autocmod 3.0e

9
7.5 +/- 0.5
Diameter Initial Diameter Guess using H=14.6 and albedo=0.14 (0.01 to 0.5)

MPC Default
4270.33 m +11708.0 / -2011.0
Follow-up Details
NEOCP digest2 score 35
Number of observations 126
Arc length (days) 835.00
Time since last observation (days) 590.84
Spectroscopy Details
Known Taxonomies None