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Minor planet follow-up portal
v. 3.17.1
244670 (2003 KN18)
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Type
NEO (Apollo)
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)
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Min Altitude
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Measurements
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Last Update: 2026-May-25 06:15
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61185.0
May 25, 2026
Orbital inclination in deg
11.90048
Longitude of Ascending Node (deg)
168.64064
Arg of perihelion (deg)
354.74767
Eccentricity
0.4856963
Mean distance (AU)
1.7490195
Mean Anomaly (deg)
34.85628
Absolute Magnitude (H)
18.13
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
840
Diameter in meters
(range)
406 - 3144
Physical Parameters
Diameter
Initial Diameter Guess using H=18.13 and albedo=0.14 (0.01 to 0.5)
MPC Default
840.35 m
+2304.0 / -396.0
Absolute Magnitude
MPO967513
18.15
Rotation Period
REFERENCE LIST:[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46, 423-438.]
LCDB (Rev. 2023-October); Warner et al., 2009
20.887 h
Follow-up Details
Number of observations
837
Arc length (days)
6574.00
Time since last observation (days)
1.80
Spectroscopy Details
(Plots)
SMASS Spectra
NIR
Known Taxonomies
None
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