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Minor planet follow-up portal
v. 3.14.2
2021 RJ16
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Name
P21kLr4 → 2021 RJ16
Type
NEO
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: 2021-Sep-15 05:18
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59468.0
Sept. 11, 2021
Orbital inclination in deg
16.15534
Longitude of Ascending Node (deg)
320.24593
Arg of perihelion (deg)
359.9042
Eccentricity
0.5546957
Mean distance (AU)
2.6975795
Mean Anomaly (deg)
5.84125
Absolute Magnitude (H)
23.3
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
78
Diameter in meters
(range)
38 - 291
Physical Parameters
Diameter
Initial Diameter Guess using H=23.3 and albedo=0.14 (0.01 to 0.5)
MPC Default
77.71 m
+213.0 / -37.0
Follow-up Details
NEOCP
digest2
score
91
Number of observations
14
Arc length (days)
4.94
Time since last observation (days)
0.26
Spectroscopy Details
Known Taxonomies
None
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