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v. 3.15.3
2025 HR12
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Name
P229CgI → 2025 HR12
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)
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-Apr-29 11:03
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60793.0
April 28, 2025
Orbital inclination in deg
23.13916
Longitude of Ascending Node (deg)
70.4758
Arg of perihelion (deg)
2.5487
Eccentricity
0.072262
Mean distance (AU)
1.844268
Mean Anomaly (deg)
134.30861
Absolute Magnitude (H)
20.1
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
339
Diameter in meters
(range)
164 - 1269
Physical Parameters
Diameter
Initial Diameter Guess using H=20.1 and albedo=0.14 (0.01 to 0.5)
MPC Default
339.2 m
+930.0 / -160.0
Follow-up Details
NEOCP
digest2
score
26
Number of observations
16
Arc length (days)
1.05
Time since last observation (days)
0.80
Spectroscopy Details
Known Taxonomies
None
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