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: 2020-Jun-03 20:00
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
58884.0 Feb. 5, 2020
Orbital inclination in deg 15.74474
Longitude of Ascending Node (deg) 170.80214
Arg of perihelion (deg) 356.0504
Eccentricity 0.4364231
Mean distance (AU) 0.8320393
Mean Anomaly (deg) 21.09845
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
Albedo Shepard et al., Icarus 193 (2008) 20-38
0.13 +/- 0.03
Absolute Magnitude MPO502173
16.3
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-August); Warner et al., 2009
19.797 h
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) 8170.83
Spectroscopy Details (Plots)
SMASS Spectra Vis+NIR
LCO Spectrum 2019-08-31 (OGG)
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