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Minor planet follow-up portal
v. 3.16.4
387746 (2003 MH4)
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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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Measurements
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Last Update: 2025-Apr-28 06:13
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60761.0
March 27, 2025
Orbital inclination in deg
3.90229
Longitude of Ascending Node (deg)
259.54189
Arg of perihelion (deg)
323.55676
Eccentricity
0.513379
Mean distance (AU)
1.9642305
Mean Anomaly (deg)
345.05927
Absolute Magnitude (H)
20.15
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
331
Diameter in meters
(range)
160 - 1240
Physical Parameters
Absolute Magnitude
E2025C34
20.11
Albedo
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)
0.132
+/- 0.021
Diameter
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)
0.366 km
+/- 0.008
Follow-up Details
Number of observations
254
Arc length (days)
4383.00
Time since last observation (days)
3859.80
Spectroscopy Details
Known Taxonomies
None
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