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Minor planet follow-up portal
v. 3.15.3
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: 2025-Apr-28 06:32
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60794.0
April 29, 2025
Orbital inclination in deg
6.54798
Longitude of Ascending Node (deg)
33.69924
Arg of perihelion (deg)
50.58058
Eccentricity
0.5499684
Mean distance (AU)
1.0226766
Mean Anomaly (deg)
57.89362
Absolute Magnitude (H)
18.98
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
568
Diameter in meters
(range)
274 - 2126
Physical Parameters
Absolute Magnitude
E2024-UN8
18.95
Diameter
Initial Diameter Guess using H=18.98 and albedo=0.14 (0.01 to 0.5)
MPC Default
568.15 m
+1558.0 / -268.0
Follow-up Details
Number of observations
558
Arc length (days)
4748.00
Time since last observation (days)
2.27
Spectroscopy Details
Known Taxonomies
None
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