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Minor planet follow-up portal
v. 3.17.1
2026 HL1
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Name
CEJM0A2 → 2026 HL1
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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Last Update: 2026-Apr-19 07:36
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61147.0
April 17, 2026
Orbital inclination in deg
19.16142
Longitude of Ascending Node (deg)
99.34703
Arg of perihelion (deg)
151.73044
Eccentricity
0.4250205
Mean distance (AU)
2.1124675
Mean Anomaly (deg)
344.86598
Absolute Magnitude (H)
20.3
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
309
Diameter in meters
(range)
149 - 1158
Physical Parameters
Diameter
Initial Diameter Guess using H=20.3 and albedo=0.14 (0.01 to 0.5)
MPC Default
309.36 m
+848.0 / -146.0
Follow-up Details
NEOCP
digest2
score
84
Number of observations
37
Arc length (days)
1.87
Time since last observation (days)
0.15
Spectroscopy Details
Known Taxonomies
None
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