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Minor planet follow-up portal
v. 3.14.2
2011 ES4
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Type
NEO (Apollo)
Status
Not Following
Source
Arecibo
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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Measurements
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Last Update: 2021-Jun-04 19:33
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59115.0
Sept. 23, 2020
Orbital inclination in deg
3.37155
Longitude of Ascending Node (deg)
339.84942
Arg of perihelion (deg)
274.70964
Eccentricity
0.2434485
Mean distance (AU)
1.0962891
Mean Anomaly (deg)
75.58061
Absolute Magnitude (H)
25.86
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
24
Diameter in meters
(range)
12 - 89
Physical Parameters
Diameter
Initial Diameter Guess using H=25.86 and albedo=0.14 (0.01 to 0.5)
MPC Default
23.9 m
+66.0 / -11.0
Absolute Magnitude
E2020-SD9
25.9
Follow-up Details
Number of observations
145
Arc length (days)
3653.00
Time since last observation (days)
10.80
Spectroscopy Details
Known Taxonomies
None
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