Schedule Observations Schedule Spectroscopic Observations
NameP21a7JI → 2020 XR
Type NEO [PHA]
Status Actively Following
Characterization Target
Source NASA
Check Spectroscopic Feasibility Create LC Plot
Recent Blocks Scheduled
Measurements
Show Measurements
Plot Visibility
Last Update: 2021-Feb-27 19:12
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59259.0 Feb. 14, 2021
Orbital inclination in deg 13.94526
Longitude of Ascending Node (deg) 249.73352
Arg of perihelion (deg) 163.04085
Eccentricity 0.6117266
Mean distance (AU) 2.4983891
Mean Anomaly (deg) 16.81473
Absolute Magnitude (H) 19.83
Slope Parameter (G) 0.15
Albedo (average) 0.17
Albedo (range) 0.01 - 0.60
Diameter in meters (average) 352
Diameter in meters
(range)		 186 - 1437
Physical Parameters
Absolute Magnitude autocmod 2.8

21
19.803 +/- 0.37157
Diameter Initial Diameter Guess using H=19.83 and albedo=0.14 (0.01 to 0.5)

MPC Default
384.11 m +1053.0 / -181.0
Follow-up Details
NEOCP digest2 score 86
Number of observations 139
Arc length (days) 3287.00
Time since last observation (days) 0.80
Spectroscopy Details
Known Taxonomies None