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Minor planet follow-up portal
v. 3.17.1a
154233 (2002 JL109)
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Type
Asteroid (Main-Belt)
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)
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Min Altitude
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Measurements
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Last Update: 2025-Dec-31 19:55
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61033.0
Dec. 24, 2025
Orbital inclination in deg
5.27767
Longitude of Ascending Node (deg)
28.50291
Arg of perihelion (deg)
134.35424
Eccentricity
0.1992375
Mean distance (AU)
3.0719651
Mean Anomaly (deg)
184.40762
Absolute Magnitude (H)
15.68
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
2597
Diameter in meters
(range)
1254 - 9717
Physical Parameters
Diameter
Initial Diameter Guess using H=15.68 and albedo=0.14 (0.01 to 0.5)
MPC Default
2596.93 m
+7120.0 / -1223.0
Absolute Magnitude
E2023-FL5
15.64
Follow-up Details
Number of observations
644
Arc length (days)
7670.00
Time since last observation (days)
96.07
Spectroscopy Details
Known Taxonomies
None
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