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Minor planet follow-up portal
v. 3.17.1a
2025 WY20
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Name
P12i4br → 2025 WY20
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; (McDonald, Texas)
ELP 0.4m - V45; (McDonald, Texas)
ELP 0.4m - V99; (TEMP; 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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Measurements
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Last Update: 2025-Dec-08 05:27
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61007.0
Nov. 28, 2025
Orbital inclination in deg
32.83256
Longitude of Ascending Node (deg)
74.22333
Arg of perihelion (deg)
133.58515
Eccentricity
0.0558463
Mean distance (AU)
1.785362
Mean Anomaly (deg)
221.1973
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
67
Number of observations
10
Arc length (days)
1.69
Time since last observation (days)
9.97
Spectroscopy Details
Known Taxonomies
None
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