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146490 (2001 SB11)
Classification: Main-belt Asteroid          SPK-ID: 2146490
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .143226083199796 3.9782e-08  
a 2.653676570805006 1.4738e-08 au
q 2.273600869489539 1.0876e-07 au
i 9.727003417678599 4.5751e-06 deg
node 225.9503966336417 2.3589e-05 deg
peri 255.4342133565382 2.8378e-05 deg
M .4639971261592039 1.5487e-05 deg
tp 2458998.464911960301
(2020-May-28.96491196)
6.7923e-05 TDB
period 1578.957396473467
4.32
1.3154e-05
3.601e-08
d
yr
n .2279985519584281 1.8994e-09 deg/d
Q 3.033752272120473 1.6849e-08 au
  Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      8151 days (22.32 yr)  
   first obs. used      1997-10-08  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52184  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:41  

Additional Information
 Earth MOID = 1.31257 au 
 Jupiter MOID = 2.15818 au 
 T_jup = 3.354 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO417787  

146490 (2001 SB11)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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