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v. 3.15.2
C/2025 A3
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Name
X85042 → C/2025 A3
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-Jan-14 16:19
Orbital Elements
MPC Comet
Epoch of elements (MJD)
60739.0
March 5, 2025
Orbital inclination in deg
10.14628
Longitude of Ascending Node (deg)
322.56783
Arg of perihelion (deg)
238.99557
Eccentricity
0.4996192
Perihelion distance (AU)
5.3900744
Epoch of perihelion
Aug. 24, 2026, 8:51 p.m.
Epoch of perihelion (MJD)
61276.86878
Total Magnitude (M1)
12.5
Slope Parameter (k1)
10.0
Physical Parameters
Diameter
Initial Diameter Guess using H=12.5 and albedo=0.14 (0.01 to 0.5)
MPC Default
11232.1 m
+30795.0 / -5289.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
31
Arc length (days)
18.28
Time since last observation (days)
3.00
Spectroscopy Details
Known Taxonomies
None
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