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Minor planet follow-up portal
v. 3.17.1
528756 (2009 AS)
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Type
NEO (Amor)
Status
Actively Following
Characterization Target
Source
LCOGT
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,V45,V47; (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-Jun-22 06:06
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61212.0
June 21, 2026
Orbital inclination in deg
5.67816
Longitude of Ascending Node (deg)
110.43341
Arg of perihelion (deg)
79.65671
Eccentricity
0.4777016
Mean distance (AU)
2.2827632
Mean Anomaly (deg)
18.29557
Absolute Magnitude (H)
18.53
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
699
Diameter in meters
(range)
338 - 2615
Physical Parameters
Diameter
Initial Diameter Guess using H=18.53 and albedo=0.14 (0.01 to 0.5)
MPC Default
698.97 m
+1916.0 / -329.0
Absolute Magnitude
MPO985502
18.45
Follow-up Details
Number of observations
528
Arc length (days)
6574.00
Time since last observation (days)
0.80
Spectroscopy Details
Known Taxonomies
None
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