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v. 3.16.4
Lemmon (C/2025 A6)
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Name
CCNG6P2 → C/2025 A6
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)
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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Recent Blocks Scheduled
No blocks have been scheduled
Measurements
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Last Measurement: 2025-Oct-03 03:52
Orbital Elements
MPC Comet
Epoch of elements (MJD)
61000.0
Nov. 21, 2025
Orbital inclination in deg
143.66355
Longitude of Ascending Node (deg)
108.09803
Arg of perihelion (deg)
132.97023
Eccentricity
0.9956339
Perihelion distance (AU)
0.5298880
Epoch of perihelion
Nov. 8, 2025, 12:55 p.m.
Epoch of perihelion (MJD)
60987.53838
Total Magnitude (M1)
9.8
Slope Parameter (k1)
13.5
Physical Parameters
Reciprocal of semimajor axis
E2025-T80
0.008129 au
+/- 0.0000035
+/- 0.0000035
K1
autocmod 3.0f
10
13.5
M1
2 parameter fit from 630 observations, autocmod 3.0f
10
9.8
+/- 0.8
Diameter
Initial Diameter Guess using H=15.4 and albedo=0.14 (0.01 to 0.5)
MPC Default
2954.34 m
+8100.0 / -1391.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
761
Arc length (days)
325.00
Time since last observation (days)
9.76
Spectroscopy Details
Known Taxonomies
None
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