Schedule Observations Schedule Spectroscopic Observations
NameA11yzTN → C/2026 C1
Type Comet
Status Actively Following
Characterization Target
Source LOOK Project
Check Spectroscopic Feasibility Create LC Plot
Recent Blocks Scheduled
Measurements
Show Measurements
Plot Visibility
Last Update: 2026-May-09 06:04
Orbital Elements
MPC Comet
Epoch of elements (MJD)
61000.0 Nov. 21, 2025
Orbital inclination in deg 99.61946
Longitude of Ascending Node (deg) 3.61475
Arg of perihelion (deg) 310.71977
Eccentricity 0.9998405
Perihelion distance (AU) 1.1526919
Epoch of perihelion Nov. 7, 2028, 2:38 a.m.
Epoch of perihelion (MJD) 62082.10996
Total Magnitude (M1) 6.4
Slope Parameter (k1) 7.75
Physical Parameters
Reciprocal of semimajor axis E2026-J34
0.000116 au +/- 0.0000893
+/- 0.0000893
K1 autocmod 3.0g

11
7.75
M1 from 627 observations, assumed slope, autocmod 3.0g

11
6.4 +/- 0.4
Diameter Initial Diameter Guess using H=9.2 and albedo=0.14 (0.01 to 0.5)

MPC Default
51340.6 m +140758.0 / -24174.0
Follow-up Details
NEOCP digest2 score 35
Number of observations 555
Arc length (days) 112.00
Time since last observation (days) 7.86
Spectroscopy Details
Known Taxonomies None