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13656 (1997 EX45)
Classification: Main-belt Asteroid          SPK-ID: 2013656
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09573707695234658 4.5822e-08  
a 2.531583068791174 1.6346e-08 au
q 2.289216705723056 1.2015e-07 au
i 3.304710985060697 4.6672e-06 deg
node 109.9170935965547 0.00011349 deg
peri 20.19147957402392 0.00011856 deg
M 339.8658352903171 3.6681e-05 deg
tp 2457682.784458765091
(2016-Oct-21.28445877)
0.00015011 JED
period 1471.250761209219
4.03
1.4249e-05
3.901e-08
d
yr
n .2446897629498023 2.3699e-09 deg/d
Q 2.773949431859293 1.7911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1002  
   data-arc span      8358 days (22.88 yr)  
   first obs. used      1993-04-18  
   last obs. used      2016-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54098  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:17:23  

Additional Information
 Earth MOID = 1.30301 au 
 Jupiter MOID = 2.26167 au 
 T_jup = 3.442 
[ 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 14.6 mag n/a MPO358763  

13656 (1997 EX45)          Discovered 1997-Mar-15 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 EX45 = 1993 HG8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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