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10338 (1991 RB11)
Classification: Main-belt Asteroid          SPK-ID: 2010338
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1496063895576774 6.0998e-08  
a 3.118371485176523 3.0571e-08 AU
q 2.651843185979651 1.9413e-07 AU
i 1.543370184313245 6.7205e-06 deg
node 158.11297669018 0.00022035 deg
peri 244.1868962984357 0.00022183 deg
M 54.30880705429789 2.094e-05 deg
tp 2456697.070385651969
(2014-Feb-08.57038565)
0.00011644 JED
period 2011.361823066347
5.51
2.9578e-05
8.098e-08
d
yr
n .1789832122055371 2.632e-09 deg/d
Q 3.584899784373394 3.5145e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      974  
   data-arc span      14186 days (38.84 yr)  
   first obs. used      1975-11-29  
   last obs. used      2014-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51253  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:17:46  

Additional Information
 Earth MOID = 1.66055 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 13.1 mag n/a PDS3 (MPC 34145)  

10338 (1991 RB11)          Discovered 1991-Sep-10 by Holt, H. E. at Palomar (675)
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 ]
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