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v. 3.16.4
C/2025 T1
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Name
A11tGky → C/2025 T1
Type
Comet
Status
Not Following
Source
Minor Planet Center
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)
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Measurements
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Last Update: 2025-Oct-17 15:23
Orbital Elements
MPC Comet
Epoch of elements (MJD)
60960.0
Oct. 12, 2025
Orbital inclination in deg
123.61082
Longitude of Ascending Node (deg)
140.60484
Arg of perihelion (deg)
114.73072
Eccentricity
0.9747642
Perihelion distance (AU)
1.1045310
Epoch of perihelion
Dec. 2, 2025, 7:55 p.m.
Epoch of perihelion (MJD)
61011.83045
Total Magnitude (M1)
13.9
Slope Parameter (k1)
10.0
Physical Parameters
Diameter
Initial Diameter Guess using H=13.9 and albedo=0.14 (0.01 to 0.5)
MPC Default
5894.69 m
+16161.0 / -2776.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
86
Arc length (days)
5.73
Time since last observation (days)
0.54
Spectroscopy Details
Known Taxonomies
None
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