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Minor planet follow-up portal
v. 3.15.2
2003 HN16
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Type
NEO (Apollo)
Status
Actively Following
Characterization Target
Source
Yarkovsky
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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Last Update: 2025-Feb-06 06:03
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60704.0
Jan. 29, 2025
Orbital inclination in deg
26.18963
Longitude of Ascending Node (deg)
215.44893
Arg of perihelion (deg)
339.11857
Eccentricity
0.2109721
Mean distance (AU)
1.2886756
Mean Anomaly (deg)
329.3461
Absolute Magnitude (H)
22.24
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
127
Diameter in meters
(range)
61 - 474
Physical Parameters
Diameter
Initial Diameter Guess using H=22.24 and albedo=0.14 (0.01 to 0.5)
MPC Default
126.61 m
+347.0 / -60.0
Absolute Magnitude
MPO703128
22.15
Follow-up Details
Number of observations
82
Arc length (days)
7305.00
Time since last observation (days)
985.79
Spectroscopy Details
Known Taxonomies
None
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