Schedule Observations Schedule Spectroscopic Observations
NameC1HDFQ2 → 2019 XS
Type NEO (Apollo)
Status Actively Following
Characterization Target
Source Goldstone
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Recent Blocks Scheduled
Measurements
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Last Update: 2023-Dec-08 07:27
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60276.0 Nov. 28, 2023
Orbital inclination in deg 4.44776
Longitude of Ascending Node (deg) 49.4662
Arg of perihelion (deg) 250.47191
Eccentricity 0.3263723
Mean distance (AU) 1.0057001
Mean Anomaly (deg) 81.46292
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
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
Rotation Period [Result based on less than full coverage, so that the period may be wrong by 30 percent or so.] REFERENCE LIST:[Warner, B.D.; Stephens, R.D. (2022) Minor Planet Bull. 49, 83-89.]

LCDB (Rev. 2023-February); Warner et al., 2009
2.35 h
Absolute Magnitude autocmod 2.8

MPO714589
23.85 +/- 0.32814
Follow-up Details
NEOCP digest2 score 96
Number of observations 1363
Arc length (days) 6575.00
Time since last observation (days) 718.85
Spectroscopy Details
Known Taxonomies None