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v. 3.15.2
2024 RJ9
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Name
P21XXNu → 2024 RJ9
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)
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Measurements
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Last Update: 2024-Sep-08 04:34
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60557.0
Sept. 4, 2024
Orbital inclination in deg
23.14042
Longitude of Ascending Node (deg)
158.92288
Arg of perihelion (deg)
6.7861
Eccentricity
0.0361506
Mean distance (AU)
1.789646
Mean Anomaly (deg)
175.9851
Absolute Magnitude (H)
20.6
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
269
Diameter in meters
(range)
130 - 1008
Physical Parameters
Diameter
Initial Diameter Guess using H=20.6 and albedo=0.14 (0.01 to 0.5)
MPC Default
269.44 m
+739.0 / -127.0
Follow-up Details
NEOCP
digest2
score
46
Number of observations
11
Arc length (days)
3.71
Time since last observation (days)
0.89
Spectroscopy Details
Known Taxonomies
None
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