Schedule Observations Schedule Spectroscopic Observations
NameC6131F2 → C/2021 T4
Type Comet (Long Period)
Status Actively Following
Characterization Target
Source LOOK Project
Check Spectroscopic Feasibility Create LC Plot
Recent Blocks Scheduled
Measurements
Show Measurements
Plot Visibility
Last Update: 2025-Apr-28 07:02
Orbital Elements
MPC Comet
Epoch of elements (MJD)
60800.0 May 5, 2025
Orbital inclination in deg 160.7784
Longitude of Ascending Node (deg) 257.88999
Arg of perihelion (deg) 329.77627
Eccentricity 0.9997309
Perihelion distance (AU) 1.4816685
Epoch of perihelion July 31, 2023, 12:35 p.m.
Epoch of perihelion (MJD) 60156.52451
Total Magnitude (M1) 12.0
Slope Parameter (k1) 4.5
Physical Parameters
Reciprocal of semimajor axis MPC182879
0.000041 au +/- 0.0000002
+/- 0.0000002
K1 autocmod 3.0f

96
4.5
M1 2 parameter fit from 1945 observations, autocmod 3.0f

96
12.0 +/- 1.0
PC autocmod 3.0f

47
0.03
K2 autocmod 3.0f

47
5.0
M2 from 67 observations, autocmod 3.0f

47
11.7 +/- 0.4
Diameter Initial Diameter Guess using H=11.8 and albedo=0.14 (0.01 to 0.5)

MPC Default
15504.61 m +42508.0 / -7300.0
Follow-up Details
NEOCP digest2 score 35
Number of observations 2175
Arc length (days) 1278.00
Time since last observation (days) 66.29
Spectroscopy Details
Known Taxonomies None