Schedule Observations Schedule Spectroscopic Observations
Name2003 SD220 → 163899
Type NEO (Aten) [PHA]
Status Actively Following
Characterization Target
Source Goldstone
Check Spectroscopic Feasibility Create LC Plot
Recent Blocks Scheduled
Measurements
Show Measurements
Plot Visibility
Last Update: 2025-Apr-28 07:40
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60705.0 Jan. 30, 2025
Orbital inclination in deg 8.54868
Longitude of Ascending Node (deg) 273.64125
Arg of perihelion (deg) 327.00688
Eccentricity 0.2095455
Mean distance (AU) 0.8279656
Mean Anomaly (deg) 265.92317
Absolute Magnitude (H) 17.65
Slope Parameter (G) 0.15
Albedo (average) 0.17
Albedo (range) 0.01 - 0.60
Diameter in meters (average) 1048
Diameter in meters
(range)		 506 - 3922
Physical Parameters
Absolute Magnitude E2024-XU9
17.56
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. (2016) Minor Planet Bull. 43, 143-154.], [Skiff, B.A.; McLelland, K.P.; Sanborn, J.J.; Pravec, P.; Koehn, B.W. (2019) Minor Planet Bull. 46, 238-265.], [Pravec, P.; Wolf, M.; Sarounova, L. (2021) http://www.asu.cas.cz/~ppravec/neo.htm]

LCDB (Rev. 2023-February); Warner et al., 2009
285.0 h
Diameter urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)
0.791 km +/- 0.025
Albedo urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)
0.34 +/- 0.042
Follow-up Details
Number of observations 1754
Arc length (days) 7670.00
Time since last observation (days) 2.86
Spectroscopy Details (Plots)
SMASS Spectra NIR
MANOS Target Vis
LCO Spectrum 2018-11-13 (OGG)
Known Taxonomies None