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332921 (2011 CE9)
Classification: Main-belt Asteroid          SPK-ID: 2332921
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1120794035135853 8.2831e-08  
a 2.383140710503139 3.4703e-08 au
q 2.116039721181005 1.8761e-07 au
i 5.633438292789188 6.8167e-06 deg
node 294.694157954486 7.5254e-05 deg
peri 237.9024862135363 7.9985e-05 deg
M 163.2729687696762 3.2657e-05 deg
tp 2458391.054683203955
(2018-Sep-29.55468320)
0.00011418 TDB
period 1343.763855706433
3.68
2.9352e-05
8.036e-08
d
yr
n .2679042143239844 5.8518e-09 deg/d
Q 2.650241699825273 3.8593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      5021 days (13.75 yr)  
   first obs. used      2004-04-14  
   last obs. used      2018-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63298  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:56:26  

Additional Information
 Earth MOID = 1.12819 au 
 Jupiter MOID = 2.34754 au 
 T_jup = 3.522 
[ 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 17.2   n/a MPO434083  

332921 (2011 CE9)          Discovered 2006-Nov-19 by Spacewatch at Kitt Peak
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

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