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JPL Small-Body Database Browser
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136808 (1997 EN47)
Classification: Main-belt Asteroid          SPK-ID: 2136808
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .135618273997901 5.7368e-08  
a 2.431229485406976 1.6118e-08 au
q 2.101510338903277 1.3493e-07 au
i 1.966978630025928 6.0795e-06 deg
node 200.6993781845689 9.8542e-05 deg
peri 357.5966481267651 9.9455e-05 deg
M 37.87546846552089 1.2743e-05 deg
tp 2458854.822368977037
(2020-Jan-06.32236898)
4.8673e-05 TDB
period 1384.641544856614
3.79
1.3769e-05
3.77e-08
d
yr
n .2599950877808449 2.5855e-09 deg/d
Q 2.760948631910676 1.8304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      481  
   data-arc span      8894 days (24.35 yr)  
   first obs. used      1995-12-22  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53165  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:41:25  

Additional Information
 Earth MOID = 1.09939 au 
 Jupiter MOID = 2.1964 au 
 T_jup = 3.494 
[ 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 16.5   n/a MPO417724  

136808 (1997 EN47)          Discovered 1997-Mar-12 by Elst, E. W. at La Silla
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1997 EN47 = 2001 KT4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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