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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 ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1356036520233643 5.778e-08  
a 2.431206074321278 1.6839e-08 au
q 2.101525651821925 1.3643e-07 au
i 1.96704420600967 6.1332e-06 deg
node 200.7061434379843 0.00010053 deg
peri 357.4778334565971 0.00010142 deg
M 293.9633122019235 1.2729e-05 deg
tp 2458854.488390824825
(2020-Jan-05.98839082)
4.9584e-05 TDB
period 1384.621545170841
3.79
1.4385e-05
3.938e-08
d
yr
n .2599988431897335 2.7012e-09 deg/d
Q 2.76088649682063 1.9123e-08 au
  Orbit Determination Parameters
   # obs. used (total)      467  
   data-arc span      8418 days (23.05 yr)  
   first obs. used      1995-12-22  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54085  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:57:18  

Additional Information
 Earth MOID = 1.09975 au 
 Jupiter MOID = 2.19757 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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