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v. 3.16.4
2025 OP9
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Name
P22c8zx → 2025 OP9
Type
NEO
Status
Actively Following
Characterization Target
Source
NASA
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)
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: 2025-Dec-11 19:08
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61015.0
Dec. 6, 2025
Orbital inclination in deg
2.31441
Longitude of Ascending Node (deg)
63.63876
Arg of perihelion (deg)
295.7965
Eccentricity
0.1667851
Mean distance (AU)
1.1953581
Mean Anomaly (deg)
60.1034
Absolute Magnitude (H)
25.66
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
26
Diameter in meters
(range)
13 - 98
Physical Parameters
Absolute Magnitude
autocmod 3.0f
MPO937368
25.61
+/- 0.39397
Diameter
Initial Diameter Guess using H=25.66 and albedo=0.14 (0.01 to 0.5)
MPC Default
26.21 m
+72.0 / -12.0
Follow-up Details
NEOCP
digest2
score
100
Number of observations
14
Arc length (days)
148.00
Time since last observation (days)
9.80
Spectroscopy Details
Known Taxonomies
None
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