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v. 3.17.1
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,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-Oct-21 19:32
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61200.0
June 9, 2026
Orbital inclination in deg
2.31465
Longitude of Ascending Node (deg)
63.63134
Arg of perihelion (deg)
295.79849
Eccentricity
0.1668201
Mean distance (AU)
1.19537
Mean Anomaly (deg)
199.62163
Absolute Magnitude (H)
25.59
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
27
Diameter in meters
(range)
13 - 101
Physical Parameters
Diameter
Initial Diameter Guess using H=25.59 and albedo=0.14 (0.01 to 0.5)
MPC Default
27.07 m
+74.0 / -13.0
Absolute Magnitude
autocmod 3.0f
MPO973410
25.59
+/- 0.39397
Follow-up Details
NEOCP
digest2
score
100
Number of observations
15
Arc length (days)
164.00
Time since last observation (days)
299.81
Spectroscopy Details
Known Taxonomies
None
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