Schedule Observations Schedule Spectroscopic Observations
NameP21IGyX → C/2023 R1
Type Comet (Hyperbolic) [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-Apr-28 06:35
Orbital Elements
MPC Comet
Epoch of elements (MJD)
60800.0 May 5, 2025
Orbital inclination in deg 149.31694
Longitude of Ascending Node (deg) 62.56145
Arg of perihelion (deg) 144.27511
Eccentricity 1.0021584
Perihelion distance (AU) 3.5697682
Epoch of perihelion April 13, 2026, 11:54 a.m.
Epoch of perihelion (MJD) 61143.49635
Total Magnitude (M1) 7.0
Slope Parameter (k1) 9.0
Physical Parameters
Reciprocal of semimajor axis E2025-HB5
0.000018 au +/- 0.0000011
+/- 0.0000011
PC autocmod 3.0f

44
0.03
K2 autocmod 3.0f

44
5.0
M2 from 19 observations, autocmod 3.0f

44
10.8 +/- 0.5
K1 autocmod 3.0f

44
9.0
M1 2 parameter fit from 1222 observations, autocmod 3.0f

44
7.0 +/- 0.5
Diameter Initial Diameter Guess using H=10.8 and albedo=0.14 (0.01 to 0.5)

MPC Default
24573.16 m +67371.0 / -11570.0
Follow-up Details
NEOCP digest2 score 35
Number of observations 1354
Arc length (days) 626.00
Time since last observation (days) 9.82
Spectroscopy Details
Known Taxonomies None