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196256 (2003 EH1)
Classification: Amor [NEO]          SPK-ID: 2196256
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6189156770800839 1.7923e-07  
a 3.123742987422494 3.427e-08 au
q 1.190409481337737 5.5807e-07 au
i 70.84020849120836 4.7069e-05 deg
node 282.9816179003102 4.9136e-05 deg
peri 171.3395780805441 7.0344e-05 deg
M 45.6517489106778 2.267e-05 deg
tp 2458744.779062871938
(2019-Sep-18.27906287)
0.00012375 TDB
period 2016.561020394329
5.52
3.3185e-05
9.086e-08
d
yr
n .1785217488383285 2.9378e-09 deg/d
Q 5.057076493507251 5.5481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      6103 days (16.71 yr)  
   first obs. used      2003-03-06  
   last obs. used      2019-11-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52475  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-21 04:53:25  

Additional Information
 Earth MOID = .212065 au 
 Jupiter MOID = .223718 au 
 T_jup = 2.065 
[ 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 16.1   n/a MPO494095  

196256 (2003 EH1)          Discovered 2003-Mar-06 by LONEOS at Anderson Mesa
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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