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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1490916557189803 6.1222e-08  
a 3.11602872067023 3.1155e-08 AU
q 2.651454839437609 1.952e-07 AU
i 1.543017802184369 6.7541e-06 deg
node 158.1383417061097 0.0002209 deg
peri 243.9973614906305 0.00022238 deg
M 18.66195543125083 2.1003e-05 deg
tp 2456696.350964614843
(2014-Feb-07.85096461)
0.00011701 JED
period 2009.095610413398
5.50
3.0131e-05
8.249e-08
d
yr
n .1791851010644163 2.6873e-09 deg/d
Q 3.580602601902851 3.58e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      968  
   data-arc span      13961 days (38.22 yr)  
   first obs. used      1975-11-29  
   last obs. used      2014-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50819  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:47:34  

Additional Information
 Earth MOID = 1.65919 AU 
 T_jup = 3.200 
[ 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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