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Minor planet follow-up portal
v. 3.14.2
2021 JC4
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Name
C5L3602 → 2021 JC4
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-May-11 09:17
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59344.0
May 10, 2021
Orbital inclination in deg
2.6519
Longitude of Ascending Node (deg)
220.90304
Arg of perihelion (deg)
105.70605
Eccentricity
0.4589649
Mean distance (AU)
1.2473342
Mean Anomaly (deg)
314.86348
Absolute Magnitude (H)
26.2
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
20
Diameter in meters
(range)
10 - 76
Physical Parameters
Diameter
Initial Diameter Guess using H=26.2 and albedo=0.14 (0.01 to 0.5)
MPC Default
20.44 m
+56.0 / -10.0
Follow-up Details
NEOCP
digest2
score
76
Number of observations
26
Arc length (days)
1.10
Time since last observation (days)
0.42
Spectroscopy Details
Known Taxonomies
None
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