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Minor planet follow-up portal
v. 3.14.2
2021 LN4
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Name
P11gRiu → 2021 LN4
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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Min Altitude
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Measurements
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Last Update: 2021-Jun-11 14:53
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59376.0
June 11, 2021
Orbital inclination in deg
8.29413
Longitude of Ascending Node (deg)
197.71734
Arg of perihelion (deg)
116.25316
Eccentricity
0.5193821
Mean distance (AU)
2.8798476
Mean Anomaly (deg)
349.91423
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
93
Number of observations
15
Arc length (days)
2.85
Time since last observation (days)
0.27
Spectroscopy Details
Known Taxonomies
None
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