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(2011 JA)
Classification: Apollo [NEO, PHA]          SPK-ID: 3564590
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2876487813548648 1.8036e-07  
a 1.185038939938667 5.1658e-09 au
q .844163933007249 2.1472e-07 au
i 41.61231507036836 5.6788e-05 deg
node 215.0172085997062 2.7796e-05 deg
peri 286.1804059941826 3.0695e-05 deg
M 6.492604388353652 2.1959e-05 deg
tp 2459388.002057286912
(2021-Jun-22.50205729)
2.8715e-05 TDB
period 471.1914038993657
1.29
3.081e-06
8.435e-09
d
yr
n .764020729200074 4.9957e-09 deg/d
Q 1.525913946870086 6.6517e-09 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      6773 days (18.54 yr)  
   first obs. used      2001-10-30  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .3616  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 05:05:37  

Additional Information
 Earth MOID = .000698707 au 
 Jupiter MOID = 3.69699 au 
 T_jup = 5.074 
[ 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 21.3   n/a MPO200336  

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