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226021 (2002 EC112)
Classification: Main-belt Asteroid          SPK-ID: 2226021
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02538761607116286 4.9185e-08  
a 2.861821868293116 2.4435e-08 au
q 2.789167033436832 1.3796e-07 au
i 6.327654018717077 5.9786e-06 deg
node 16.44301397476383 4.2694e-05 deg
peri 246.7288454695623 0.00012319 deg
M 186.3593406254554 0.00011757 deg
tp 2459853.425795853847
(2022-Sep-30.92579585)
0.00057905 TDB
period 1768.325964744629
4.84
2.2648e-05
6.201e-08
d
yr
n .2035823751827277 2.6074e-09 deg/d
Q 2.9344767031494 2.5056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      6525 days (17.86 yr)  
   first obs. used      2002-03-09  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58339  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:48:28  

Additional Information
 Earth MOID = 1.78174 au 
 Jupiter MOID = 2.06588 au 
 T_jup = 3.292 
[ 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 16.3   n/a MPO454622  

226021 (2002 EC112)          Discovered 2002-Mar-09 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2002 EC112 = 2004 TM179 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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