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Minor planet follow-up portal
v. 3.17.1a
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; (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: 2026-Jan-11 06:03
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61051.0
Jan. 11, 2026
Orbital inclination in deg
11.89937
Longitude of Ascending Node (deg)
168.65165
Arg of perihelion (deg)
354.76661
Eccentricity
0.4857434
Mean distance (AU)
1.7491613
Mean Anomaly (deg)
337.75172
Absolute Magnitude (H)
18.15
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
833
Diameter in meters
(range)
402 - 3115
Physical Parameters
Diameter
Initial Diameter Guess using H=18.15 and albedo=0.14 (0.01 to 0.5)
MPC Default
832.65 m
+2283.0 / -392.0
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
Absolute Magnitude
E2023D63
18.21
Follow-up Details
Number of observations
651
Arc length (days)
6574.00
Time since last observation (days)
0.79
Spectroscopy Details
(Plots)
SMASS Spectra
NIR
Known Taxonomies
None
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