Schedule Observations Schedule Spectroscopic Observations
NameP11g5r2 → 2021 JS4
Type NEO
Status Not Following
Source Minor Planet Center
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Recent Blocks Scheduled
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Measurements
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Last Update: 2021-May-11 21:07
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59321.0 April 17, 2021
Orbital inclination in deg 8.42162
Longitude of Ascending Node (deg) 307.24252
Arg of perihelion (deg) 22.783
Eccentricity 0.4379907
Mean distance (AU) 2.048245
Mean Anomaly (deg) 276.6626
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 96
Number of observations 17
Arc length (days) 23.79
Time since last observation (days) 0.71
Spectroscopy Details
Known Taxonomies None