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v. 3.17.1
2026 HY4
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Name
CEKRPN2 → 2026 HY4
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-26 08:50
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61156.0
April 26, 2026
Orbital inclination in deg
25.46178
Longitude of Ascending Node (deg)
61.37143
Arg of perihelion (deg)
178.81239
Eccentricity
0.3073423
Mean distance (AU)
1.6506817
Mean Anomaly (deg)
349.76108
Absolute Magnitude (H)
22.5
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
112
Diameter in meters
(range)
54 - 420
Physical Parameters
Diameter
Initial Diameter Guess using H=22.5 and albedo=0.14 (0.01 to 0.5)
MPC Default
112.32 m
+308.0 / -53.0
Follow-up Details
NEOCP
digest2
score
76
Number of observations
22
Arc length (days)
1.90
Time since last observation (days)
0.01
Spectroscopy Details
Known Taxonomies
None
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