Schedule Observations Schedule Spectroscopic Observations
Type NEO (Apollo) [PHA]
Status Actively Following
Characterization Target
Source Goldstone
Check Spectroscopic Feasibility Create LC Plot
Recent Blocks Scheduled
  • No blocks have been scheduled
Measurements
Show Measurements
Plot Visibility
Last Update: 2022-Jan-27 06:49
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59581.0 Jan. 2, 2022
Orbital inclination in deg 3.40794
Longitude of Ascending Node (deg) 73.19582
Arg of perihelion (deg) 319.32264
Eccentricity 0.3838423
Mean distance (AU) 1.644214
Mean Anomaly (deg) 223.12683
Absolute Magnitude (H) 18.27
Slope Parameter (G) 0.15
Albedo (average) 0.17
Albedo (range) 0.01 - 0.60
Diameter in meters (average) 721
Diameter in meters
(range)		 381 - 2948
Physical Parameters
Diameter uncertainty is published as "10%"

Richardson et al., 2016, "Dynamical and Physical Properties of 65803 Didymos", LPSC Abstract (submitted)
0.78 km +/- 0.08
Density uncertainty is published as "30%"

Richardson et al., 2016, "Dynamical and Physical Properties of 65803 Didymos", LPSC Abstract (submitted)
2.1 g/cm^3 +/- 0.6
Absolute Magnitude MPCxxxxx
18.07
Rotation Period REFERENCE LIST:[Pravec, P.; et al. (2003) IAUC 8244. (65803)], [Kitazato, K.; Abe, M.; Mito, H. (2005) Asia-Oceana Geophys. Soc. abstract 58-PS-A1183.], [Pravec, P.; et al. (2006) Icarus 181, 63-93.], [Naidu, S.P.; Benner, L.A.M.; Brozovic, M.; Nolan, M.C.; et al. (2020) Icarus 348, id. 113777.]

LCDB (Rev. 2021-June); Warner et al., 2009
2.2593 h
Follow-up Details
Number of observations 829
Arc length (days) 7305.00
Time since last observation (days) 2398.29
Spectroscopy Details (Plots)
SMASS Spectra Vis
MANOS Target Vis
Known Taxonomies None