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Minor planet follow-up portal
v. 3.17.1
2026 HM4
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Name
CEKVH42 → 2026 HM4
Type
NEO
Status
Actively 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,V45,V47; (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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Min Altitude
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Last Update: 2026-Apr-25 22:13
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61155.0
April 25, 2026
Orbital inclination in deg
22.748
Longitude of Ascending Node (deg)
40.71534
Arg of perihelion (deg)
310.37009
Eccentricity
0.412075
Mean distance (AU)
0.981973
Mean Anomaly (deg)
259.4547
Absolute Magnitude (H)
23.2
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
81
Diameter in meters
(range)
39 - 304
Physical Parameters
Diameter
Initial Diameter Guess using H=23.2 and albedo=0.14 (0.01 to 0.5)
MPC Default
81.37 m
+223.0 / -38.0
Follow-up Details
NEOCP
digest2
score
93
Number of observations
19
Arc length (days)
0.57
Time since last observation (days)
0.06
Spectroscopy Details
Known Taxonomies
None
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