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Minor planet follow-up portal
v. 3.17.1a
2002 AY1
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Type
NEO (Aten) [PHA]
Status
Actively Following
Characterization Target
Source
Goldstone
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: 2025-Dec-31 20:29
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61000.0
Nov. 21, 2025
Orbital inclination in deg
29.89759
Longitude of Ascending Node (deg)
287.83699
Arg of perihelion (deg)
323.81565
Eccentricity
0.4371315
Mean distance (AU)
0.7791608
Mean Anomaly (deg)
149.08657
Absolute Magnitude (H)
20.85
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
240
Diameter in meters
(range)
116 - 899
Physical Parameters
Diameter
Initial Diameter Guess using H=20.85 and albedo=0.14 (0.01 to 0.5)
MPC Default
240.14 m
+658.0 / -113.0
Absolute Magnitude
E2024-BH3
20.85
Follow-up Details
Number of observations
245
Arc length (days)
8042.00
Time since last observation (days)
709.11
Spectroscopy Details
(Plots)
SMASS Spectra
NIR
Known Taxonomies
None
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