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Minor planet follow-up portal
v. 3.14.2
2021 HX3
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Schedule Spectroscopic Observations
Name
P11g76d → 2021 HX3
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)
Site
Min Altitude
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Measurements
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Last Update: 2021-May-10 21:41
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59344.0
May 10, 2021
Orbital inclination in deg
11.24997
Longitude of Ascending Node (deg)
54.42917
Arg of perihelion (deg)
202.16442
Eccentricity
0.4300622
Mean distance (AU)
1.8937094
Mean Anomaly (deg)
348.35413
Absolute Magnitude (H)
23.6
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
68
Diameter in meters
(range)
33 - 253
Physical Parameters
Diameter
Initial Diameter Guess using H=23.6 and albedo=0.14 (0.01 to 0.5)
MPC Default
67.68 m
+186.0 / -32.0
Follow-up Details
NEOCP
digest2
score
69
Number of observations
22
Arc length (days)
32.39
Time since last observation (days)
0.04
Spectroscopy Details
Known Taxonomies
None
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