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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1496063810685787 5.9797e-08  
a 3.118371490023972 2.9769e-08 AU
q 2.651843216574054 1.892e-07 AU
i 1.543370227278002 6.5823e-06 deg
node 158.1129786093578 0.00021803 deg
peri 244.186894759688 0.00021952 deg
M 54.30880538075975 2.0797e-05 deg
tp 2456697.070394294708
(2014-Feb-08.57039429)
0.00011576 JED
period 2011.361827756283
5.51
2.8802e-05
7.886e-08
d
yr
n .1789832117881981 2.5629e-09 deg/d
Q 3.58489976347389 3.4223e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      990  
   data-arc span      14213 days (38.91 yr)  
   first obs. used      1975-11-29  
   last obs. used      2014-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51159  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:11:53  

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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