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(2011 EH17)
Classification: Aten [NEO]          SPK-ID: 3558388
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6597360714693205 2.4588e-05  
a .7310476814709522 5.5392e-09 au
q .2487491560405511 1.7976e-05 au
i 3.007214318235232 0.00030515 deg
node 333.1360496630805 0.0010235 deg
peri 35.94520986775623 0.0011115 deg
M 336.4964041865301 0.0031359 deg
tp 2459215.405576995651
(2020-Dec-31.90557700)		 0.0019887 TDB
period 228.305820140046
0.63		 2.5948e-06
7.104e-09		 d
yr
n 1.576832337341076 1.7922e-08 deg/d
Q 1.213346206901353 9.1935e-09 au
   Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      3654 days (10.00 yr)  
   first obs. used      2011-03-06  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .62484  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 04:52:51  

Additional Information
 Earth MOID = .0073648 au 
 Jupiter MOID = 4.25209 au 
 T_jup = 7.680 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.6   n/a MPO196819  

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