Schedule Observations Schedule Spectroscopic Observations
NameP21nPy3 → 2021 UH9
Type NEO
Status Not Following
Source Minor Planet Center
Check Spectroscopic Feasibility Create LC Plot
Recent Blocks Scheduled
Measurements
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Last Update: 2021-Nov-03 08:44
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59519.0 Nov. 1, 2021
Orbital inclination in deg 2.51596
Longitude of Ascending Node (deg) 74.92263
Arg of perihelion (deg) 352.41916
Eccentricity 0.4875187
Mean distance (AU) 1.9174848
Mean Anomaly (deg) 351.45368
Absolute Magnitude (H) 25.8
Slope Parameter (G) 0.15
Albedo (average) 0.17
Albedo (range) 0.01 - 0.60
Diameter in meters (average) 25
Diameter in meters
(range)		 12 - 92
Physical Parameters
Diameter Initial Diameter Guess using H=25.8 and albedo=0.14 (0.01 to 0.5)

MPC Default
24.57 m +67.0 / -12.0
Follow-up Details
NEOCP digest2 score 81
Number of observations 17
Arc length (days) 2.84
Time since last observation (days) 0.12
Spectroscopy Details
Known Taxonomies None