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Minor planet follow-up portal
v. 3.16.4
2025 US9
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Schedule Spectroscopic Observations
Name
CDPZW02 → 2025 US9
Type
NEO
Status
Actively 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)
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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Last Update: 2025-Oct-30 06:30
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60977.0
Oct. 29, 2025
Orbital inclination in deg
2.49338
Longitude of Ascending Node (deg)
45.98493
Arg of perihelion (deg)
297.42109
Eccentricity
0.549372
Mean distance (AU)
2.0305177
Mean Anomaly (deg)
13.87023
Absolute Magnitude (H)
26.0
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
22
Diameter in meters
(range)
11 - 84
Physical Parameters
Diameter
Initial Diameter Guess using H=26.0 and albedo=0.14 (0.01 to 0.5)
MPC Default
22.41 m
+61.0 / -11.0
Follow-up Details
NEOCP
digest2
score
76
Number of observations
23
Arc length (days)
2.05
Time since last observation (days)
0.19
Spectroscopy Details
Known Taxonomies
None
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