Schedule Observations Schedule Spectroscopic Observations
NameA11nyuL → C/2025 K1
Type Comet [Dynamically New]
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-Dec-06 19:10
Orbital Elements
MPC Comet
Epoch of elements (MJD)
61000.0 Nov. 21, 2025
Orbital inclination in deg 147.86512
Longitude of Ascending Node (deg) 97.55638
Arg of perihelion (deg) 271.02299
Eccentricity 1.0002714
Perihelion distance (AU) 0.3342140
Epoch of perihelion Oct. 8, 2025, 10:33 a.m.
Epoch of perihelion (MJD) 60956.44007
Total Magnitude (M1) 14.1
Slope Parameter (k1) 4.5
Physical Parameters
Reciprocal of semimajor axis E2025-X35
-0.000068 au +/- 0.0000003
+/- 0.0000003
K1 autocmod 3.0f

15
4.5
M1 2 parameter fit from 1866 observations, autocmod 3.0f

15
14.1 +/- 0.8
PC autocmod 3.0f

6
0.03
K2 autocmod 3.0f

6
5.0
M2 from 45 observations, autocmod 3.0f

6
14.7 +/- 0.4
Diameter Initial Diameter Guess using H=13.2 and albedo=0.14 (0.01 to 0.5)

MPC Default
8136.94 m +22309.0 / -3831.0
Follow-up Details
NEOCP digest2 score 35
Number of observations 2406
Arc length (days) 218.00
Time since last observation (days) 2.26
Spectroscopy Details
Known Taxonomies None