Schedule Observations Schedule Spectroscopic Observations
NameA11guOI → 2024 YR4
Type NEO (Apollo)
Status Actively Following
Characterization Target
Source NASA
Check Spectroscopic Feasibility Create LC Plot
Recent Blocks Scheduled
Measurements
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Last Update: 2025-Dec-31 19:20
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60800.0 May 5, 2025
Orbital inclination in deg 3.40817
Longitude of Ascending Node (deg) 271.36563
Arg of perihelion (deg) 134.36137
Eccentricity 0.6615472
Mean distance (AU) 2.5158609
Mean Anomaly (deg) 40.40272
Absolute Magnitude (H) 23.92
Slope Parameter (G) 0.15
Albedo (average) 0.17
Albedo (range) 0.01 - 0.60
Diameter in meters (average) 58
Diameter in meters
(range)		 28 - 219
Physical Parameters
Absolute Magnitude autocmod 3.0f

E2025G45
23.92 +/- 0.27787
Diameter Initial Diameter Guess using H=23.92 and albedo=0.14 (0.01 to 0.5)

MPC Default
58.41 m +160.0 / -28.0
Follow-up Details
NEOCP digest2 score 100
Number of observations 502
Arc length (days) 138.00
Time since last observation (days) 226.04
Spectroscopy Details
Known Taxonomies None