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(2011 AN52)
Classification: Apollo [NEO]          SPK-ID: 3555210
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 2455576.5 (2011-Jan-15.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5492556745515395 0.00075318  
a 1.526004631308196 0.0019396 au
q .6878379281702396 0.0002751 au
i 2.209628459225024 0.0028719 deg
node 114.1585521649168 6.9602e-05 deg
peri 84.47978775338746 0.0022214 deg
M 332.7445040846774 0.06519 deg
tp 2455628.629527925182
(2011-Mar-08.12952793)
0.025298 TDB
period 688.5448025370628
1.89
1.3127
0.003594
d
yr
n .5228417942790615 0.00099682 deg/d
Q 2.364171334446153 0.0030049 au
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      3 days  
   first obs. used      2011-01-14  
   last obs. used      2011-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .39474  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 04:37:53  

Additional Information
 Earth MOID = .00212983 au 
 Jupiter MOID = 2.58537 au 
 T_jup = 4.314 
[ 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 28.6   n/a MPO192257  

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