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v. 3.17.1
2025 YJ21
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Name
CE5VU72 → 2025 YJ21
Type
Asteroid
Status
Not 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)
Site
Min Altitude
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Measurements
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Last Update: 2026-Feb-10 15:44
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61131.0
April 1, 2026
Orbital inclination in deg
27.77496
Longitude of Ascending Node (deg)
87.50921
Arg of perihelion (deg)
98.71133
Eccentricity
0.397531
Mean distance (AU)
2.5914821
Mean Anomaly (deg)
2.81252
Absolute Magnitude (H)
19.4
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
468
Diameter in meters
(range)
226 - 1752
Physical Parameters
Diameter
Initial Diameter Guess using H=19.4 and albedo=0.14 (0.01 to 0.5)
MPC Default
468.23 m
+1284.0 / -220.0
Follow-up Details
NEOCP
digest2
score
33
Number of observations
18
Arc length (days)
43.90
Time since last observation (days)
1.11
Spectroscopy Details
Known Taxonomies
None
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