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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6185445449470613 1.7862e-07  
a 3.123426180576785 3.5896e-08 au
q 1.19144795503618 5.5527e-07 au
i 70.83207823978111 4.7047e-05 deg
node 282.9881690848429 4.9149e-05 deg
peri 171.3383744452558 7.0461e-05 deg
M 116.4097523278882 2.373e-05 deg
tp 2458744.523171990175
(2019-Sep-18.02317199)
0.00012357 TDB
period 2016.254251812435
5.52
3.4758e-05
9.516e-08
d
yr
n .1785489105237555 3.0779e-09 deg/d
Q 5.05540440611739 5.8099e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52453  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:31:52  

Additional Information
 Earth MOID = .21334 au 
 Jupiter MOID = .225996 au 
 T_jup = 2.066 
[ 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 16.2   n/a MPO506840  

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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