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v. 3.17.1a
ATLAS (C/2024 S1)
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Name
A11bP7I → C/2024 S1
Type
Comet (Long Period)
Status
Actively Following
Characterization Target
Source
LOOK Project
UTC date
------------ Any 1.0m ------------
LSC 1.0m - W85-87; (CTIO, Chile)
ELP 1.0m - V37,V39; (McDonald, Texas)
COJ 1.0m - Q63-64; (Siding Spring, Aust.)
CPT 1.0m - K91-93; (Sutherland, S. Africa)
TFN 1.0m - Z31,Z24; (Tenerife, Spain)
------------ Any 0.4m ------------
LSC 0.4m - W89,W79; (CTIO, Chile)
ELP 0.4m - V38; (McDonald, Texas)
ELP 0.4m - V98; (TEMP; McDonald, Texas)
ELP 0.4m - V99; (TEMP; McDonald, Texas)
OGG 0.4m - T03-04; (Maui, Hawaii)
COJ 0.4m - Q58-59; (Siding Spring, Aust.)
CPT 0.4m - L09; (Sutherland, S. Africa)
TFN 0.4m - Z17,Z21; (Tenerife, Spain)
------------ Any 2.0m ------------
FTS 2.0m - E10; (Siding Spring, Aust.) [MuSCAT4]
FTN 2.0m - F65; (Maui, Hawaii ) [MuSCAT3]
------------ Non LCO ------------
Mt John 1.8m - 474 (Mt John, NZ)
Site
Min Altitude
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Measurements
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Last Update: 2026-Feb-07 19:43
Orbital Elements
MPC Comet
Epoch of elements (MJD)
61000.0
Nov. 21, 2025
Orbital inclination in deg
142.19819
Longitude of Ascending Node (deg)
348.19838
Arg of perihelion (deg)
69.99787
Eccentricity
0.9999071
Perihelion distance (AU)
0.0079730
Epoch of perihelion
Oct. 28, 2024, 10:27 a.m.
Epoch of perihelion (MJD)
60611.43564
Total Magnitude (M1)
15.3
Slope Parameter (k1)
4.5
Physical Parameters
Reciprocal of semimajor axis
MPC188412
0.011539 au
+/- 0.0004081
+/- 0.0004081
K1
autocmod 3.0f
12
4.5
M1
2 parameter fit from 218 observations, autocmod 3.0f
12
15.3
+/- 1.0
Diameter
Initial Diameter Guess using H=13.4 and albedo=0.14 (0.01 to 0.5)
MPC Default
7420.97 m
+20346.0 / -3494.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
318
Arc length (days)
26.00
Time since last observation (days)
426.05
Spectroscopy Details
Known Taxonomies
None
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