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Minor planet follow-up portal
v. 3.14.2
2012 HL31
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Type
NEO (Aten)
Status
Not Following
Source
Yarkovsky
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: 2022-Aug-22 06:12
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59712.0
May 13, 2022
Orbital inclination in deg
19.81024
Longitude of Ascending Node (deg)
37.49189
Arg of perihelion (deg)
17.52606
Eccentricity
0.3740132
Mean distance (AU)
0.8876916
Mean Anomaly (deg)
148.6076
Absolute Magnitude (H)
22.48
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
113
Diameter in meters
(range)
55 - 424
Physical Parameters
Diameter
Initial Diameter Guess using H=22.48 and albedo=0.14 (0.01 to 0.5)
MPC Default
113.36 m
+311.0 / -53.0
Absolute Magnitude
E2022-HA7
22.39
Follow-up Details
Number of observations
86
Arc length (days)
4018.00
Time since last observation (days)
14.80
Spectroscopy Details
Known Taxonomies
None
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