2100 Ra-Shalom (1978 RA)

Schedule Observations Schedule Spectroscopic Observations
Type NEO (Aten)
Status Actively Following
Characterization Target
Source Goldstone
Check Spectroscopic Feasibility
Recent Blocks Scheduled
Measurements
Show Measurements
Plot Visibility
Last Update: 2016-May-11 05:10
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD) 58866.0
Orbital inclination in deg 15.74475
Longitude of Ascending Node (deg) 170.80216
Arg of perihelion (deg) 356.05028
Eccentricity 0.4364229
Mean distance (AU) 0.8320388
Mean Anomaly (deg) 357.72299
Absolute Magnitude (H) 16.32
Slope Parameter (G) 0.15
Albedo (average) 0.17
Albedo (range) 0.01 - 0.60
Diameter in meters (average) 1771
Diameter in meters
(range)		 934 - 7236
Physical Parameters
Phase Slope Fit

PDS3 (MPC 17264)
0.12
Diameter Shepard et al., Icarus 193 (2008) 20-38
2.3 km +/- 0.2
Rotation Period REFERENCE LIST:[Ostro, S.J.; Harris, A.W.; Campbell, D.B.; Shapiro, I.I.; Young, J. (1984) Icarus 60, 391-403.], [Harris, A.W.; Young, J.W.; Dockweiler, T.; Gibson, J.; et al. (1992) Icarus 95, 115-147.], [Pravec, P.; Wolf, M.; Sarounova, L. (1998) Icarus 136, 124-153.], [Pravec, P.; Wolf, M.; Sarounova, L. (2003) http://www.asu.cas.cz/~ppravec/neo.htm], [Kaasalainen, M.; et al. (2004) Icarus 167, 178-196.], [Shepard, M.K.; Clark, B.E.; Nolan, M.C.; Benner, L.A.M.; et al. (2008) Icarus 193, 20-38.], [Durech, J.; Vokrouhlicky, D.; Baransky, A.R.; Breiter, S.; et al. (2012) Astron. Astrophys. 547, A10.], [Warner, B.D. (2017) Minor Planet Bull. 44, 22-36.]

LCDB (Rev. 2019-January); Warner et al., 2009
19.797 h
Albedo Shepard et al., Icarus 193 (2008) 20-38
0.13 +/- 0.03
Absolute Magnitude MPO502173
16.3
B-V #obs=2; phase (min.=27.41, mean=27.52, max.=27.63) deg.

EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2
0.712 +/- 0.011
U-B #obs=2; phase (min.=27.41, mean=27.52, max.=27.63) deg.

EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2
0.31 +/- 0.053
Follow-up Details
Number of observations 122
Arc length (days) 71.00
Time since last observation (days) 8152.86
Spectroscopy Details (Plots)
SMASS Spectra Vis+NIR
Tholen Taxonomic Type 7 color indices were used. Used groundbased radiometric albedo.

Neese, Asteroid Taxonomy V6.0, (2010).
C
Bus Taxonomic Type Used high-resolution spectrum by Xu et al (1995) or Bus and Binzel (2002).

Neese, Asteroid Taxonomy V6.0, (2010).
Xc