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Minor planet follow-up portal
v. 3.14.2
2021 LA4
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Schedule Spectroscopic Observations
Name
P11gUAz → 2021 LA4
Type
NEO
Status
Not Following
Source
Minor Planet Center
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-10 16:59
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59374.0
June 9, 2021
Orbital inclination in deg
25.72979
Longitude of Ascending Node (deg)
240.63035
Arg of perihelion (deg)
86.34674
Eccentricity
0.5106783
Mean distance (AU)
2.5728148
Mean Anomaly (deg)
336.06449
Absolute Magnitude (H)
20.7
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
257
Diameter in meters
(range)
124 - 963
Physical Parameters
Diameter
Initial Diameter Guess using H=20.7 and albedo=0.14 (0.01 to 0.5)
MPC Default
257.31 m
+705.0 / -121.0
Follow-up Details
NEOCP
digest2
score
87
Number of observations
10
Arc length (days)
8.05
Time since last observation (days)
0.27
Spectroscopy Details
Known Taxonomies
None
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