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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6187556303467719 1.7899e-07  
a 3.123531096453774 3.5114e-08 au
q 1.190828643959775 5.5679e-07 au
i 70.83909740592487 4.7067e-05 deg
node 282.982849875455 4.9135e-05 deg
peri 171.3426748507494 7.042e-05 deg
M 81.3772662571677 2.3202e-05 deg
tp 2458744.706871685152
(2019-Sep-18.20687169)
0.00012372 TDB
period 2016.355841627852
5.52
3.4001e-05
9.309e-08
d
yr
n .178539914715333 3.0106e-09 deg/d
Q 5.056233548947771 5.6841e-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 = .212311 au 
 Jupiter MOID = .224664 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 16.2   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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