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Minor planet follow-up portal
v. 3.14.2
2021 LJ4
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Name
vk08c06 → 2021 LJ4
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)
Site
Min Altitude
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Measurements
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Last Update: 2021-Jun-10 02:32
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59371.0
June 6, 2021
Orbital inclination in deg
9.83001
Longitude of Ascending Node (deg)
277.66614
Arg of perihelion (deg)
57.4387
Eccentricity
0.3859133
Mean distance (AU)
0.6719149
Mean Anomaly (deg)
267.00767
Absolute Magnitude (H)
19.9
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
372
Diameter in meters
(range)
180 - 1392
Physical Parameters
Diameter
Initial Diameter Guess using H=19.9 and albedo=0.14 (0.01 to 0.5)
MPC Default
371.93 m
+1020.0 / -175.0
Follow-up Details
NEOCP
digest2
score
33
Number of observations
9
Arc length (days)
3.01
Time since last observation (days)
1.51
Spectroscopy Details
Known Taxonomies
None
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