Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
10338 (1991 RB11)
Classification: Main-belt Asteroid          SPK-ID: 2010338
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1527416714002104 5.3427e-08  
a 3.115988282317829 2.3744e-08 au
q 2.640047024013133 1.6413e-07 au
i 1.550264850999271 5.5763e-06 deg
node 158.1199555561072 0.00016798 deg
peri 244.1731560976861 0.00016913 deg
M 161.4364323270172 1.7923e-05 deg
tp 2456699.569683755357
(2014-Feb-11.06968376)
9.7002e-05 JED
period 2009.056500896127
5.50
2.2963e-05
6.287e-08
d
yr
n .1791885891907093 2.0481e-09 deg/d
Q 3.591929540622525 2.737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1410  
   data-arc span      14750 days (40.38 yr)  
   first obs. used      1975-11-29  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52163  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:08:12  

Additional Information
 Earth MOID = 1.64757 au 
 Jupiter MOID = 1.8134 au 
 T_jup = 3.199 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2 mag n/a MPO337345  

10338 (1991 RB11)          Discovered 1991-Sep-10 by Holt, H. E. at Palomar
Reference: 19990402/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RB11 = 1975 WR1 = 1980 TJ9 = 1986 WN6 = 1996 QB1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Apr-30 01:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin