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Minor planet follow-up portal
v. 3.15.3
2025 RW4
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Name
A11s2EN → 2025 RW4
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-Sep-17 00:12
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60932.0
Sept. 14, 2025
Orbital inclination in deg
45.22082
Longitude of Ascending Node (deg)
356.95755
Arg of perihelion (deg)
4.81023
Eccentricity
0.5264168
Mean distance (AU)
2.418899
Mean Anomaly (deg)
353.68067
Absolute Magnitude (H)
19.3
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
490
Diameter in meters
(range)
237 - 1835
Physical Parameters
Diameter
Initial Diameter Guess using H=19.3 and albedo=0.14 (0.01 to 0.5)
MPC Default
490.3 m
+1344.0 / -231.0
Follow-up Details
NEOCP
digest2
score
82
Number of observations
34
Arc length (days)
2.83
Time since last observation (days)
0.14
Spectroscopy Details
Known Taxonomies
None
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