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JPL Small-Body Database Browser
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347801 (2002 JE20)
Classification: Inner Main-belt Asteroid          SPK-ID: 2347801
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07053337901702705 5.5246e-08  
a 1.938315550933093 1.038e-08 au
q 1.801599605524532 1.0985e-07 au
i 20.87539592209825 6.2648e-06 deg
node 202.5119320301932 1.2034e-05 deg
peri 283.7451426800495 4.6748e-05 deg
M 338.4253491425937 4.4893e-05 deg
tp 2459059.571285563894
(2020-Jul-29.07128556)
0.00012304 TDB
period 985.6781898142209
2.70
7.9177e-06
2.168e-08
d
yr
n .3652307657003674 2.9338e-09 deg/d
Q 2.075031496341655 1.1112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      6495 days (17.78 yr)  
   first obs. used      2002-04-16  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67014  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:29:53  

Additional Information
 Earth MOID = .874532 au 
 Jupiter MOID = 2.98062 au 
 T_jup = 3.822 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO450310  

347801 (2002 JE20)          Discovered 2002-Apr-16 by LINEAR at Socorro
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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