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Minor planet follow-up portal
v. 3.15.2
439437 (2013 NK4)
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Type
NEO (Apollo) [PHA]
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)
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: 2024-Dec-21 06:26
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60614.0
Oct. 31, 2024
Orbital inclination in deg
6.54795
Longitude of Ascending Node (deg)
33.70095
Arg of perihelion (deg)
50.56753
Eccentricity
0.5499456
Mean distance (AU)
1.022601
Mean Anomaly (deg)
246.33995
Absolute Magnitude (H)
18.99
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
566
Diameter in meters
(range)
273 - 2116
Physical Parameters
Diameter
Initial Diameter Guess using H=18.99 and albedo=0.14 (0.01 to 0.5)
MPC Default
565.54 m
+1551.0 / -266.0
Absolute Magnitude
E2024L23
18.94
Follow-up Details
Number of observations
541
Arc length (days)
4383.00
Time since last observation (days)
144.82
Spectroscopy Details
Known Taxonomies
None
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