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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6597567766302839 3.199e-05  
a .7310476827577616 8.2927e-09 au
q .2487340200184624 2.3388e-05 au
i 3.007120959372472 0.0003242 deg
node 333.1351899645696 0.0012078 deg
peri 35.94584201141487 0.0012322 deg
M 336.4938070484894 0.0041152 deg
tp 2459215.407224095373
(2020-Dec-31.90722410)
0.0026096 TDB
period 228.3058207428508
0.63
3.8847e-06
1.064e-08
d
yr
n 1.576832333177703 2.683e-08 deg/d
Q 1.213361345497061 1.3764e-08 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      3653 days (10.00 yr)  
   first obs. used      2011-03-06  
   last obs. used      2021-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .61177  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-06 00:42:04  

Additional Information
 Earth MOID = .00736545 au 
 Jupiter MOID = 4.25208 au 
 T_jup = 7.680 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458009.5 (2017-Sep-13.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6598603017800239 3.1975e-05  
q .2486434956435403 2.3351e-05 au
tp 2458073.924671252755
(2017-Nov-16.42467125)
0.0025795 TDB
node 333.2145655670751 0.0012057 deg
peri 35.881736704116 0.0012122 deg
i 3.009875085400765 0.00032345 deg
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      3653 days (10.00 yr)  
   first obs. used      2011-03-06  
   last obs. used      2021-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .61177  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-06 00:42:04  

Additional Information
 Jupiter MOID = 4.25208 au 
 T_jup = 7.680 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.022432180479895E-9 -7.466600647108679E-10 8.241258249978524E-8 -2.166467812684213E-9 -8.10111760711832E-9 5.047802253007906E-9
q -7.466600647108679E-10 5.452696667049048E-10 -6.018426014857403E-8 1.581031106382328E-9 5.917094625371969E-9 -3.686518142003422E-9
tp 8.241258249978524E-8 -6.018426014857403E-8 6.654064275495701E-6 -1.229224200282263E-7 -6.988800910987622E-7 4.153826645857E-7
node -2.166467812684213E-9 1.581031106382328E-9 -1.229224200282263E-7 1.453780836049191E-6 -1.40850909196417E-6 3.261563839017729E-7
peri -8.10111760711832E-9 5.917094625371969E-9 -6.988800910987622E-7 -1.40850909196417E-6 1.469363904921219E-6 -3.732400074432275E-7
i 5.047802253007906E-9 -3.686518142003422E-9 4.153826645857E-7 3.261563839017729E-7 -3.732400074432275E-7 1.046195135420698E-7

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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