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v. 3.17.1a
2025 OP9
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Name
P22c8zx → 2025 OP9
Type
NEO (Apollo)
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)
ELP 0.4m - V98; (TEMP; 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)
Site
Min Altitude
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Measurements
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Last Update: 2025-Dec-31 19:09
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61023.0
Dec. 14, 2025
Orbital inclination in deg
2.3144
Longitude of Ascending Node (deg)
63.63857
Arg of perihelion (deg)
295.79471
Eccentricity
0.1667724
Mean distance (AU)
1.1953477
Mean Anomaly (deg)
66.13986
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
16
Arc length (days)
164.00
Time since last observation (days)
1.80
Spectroscopy Details
Known Taxonomies
None
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