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312258 (2008 AE13)
Classification: Main-belt Asteroid          SPK-ID: 2312258
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1183797023076507 5.8914e-08  
a 2.615305461538874 2.5089e-08 au
q 2.305706379558329 1.5418e-07 au
i 12.52354208229287 6.7527e-06 deg
node 286.3592405536872 2.812e-05 deg
peri 352.7419272734878 3.9523e-05 deg
M 180.267141123269 2.803e-05 deg
tp 2459771.771066598110
(2022-Jul-11.27106660)
0.00012157 TDB
period 1544.834849401411
4.23
2.2229e-05
6.086e-08
d
yr
n .2330346186451529 3.3533e-09 deg/d
Q 2.924904543519419 2.8059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      6740 days (18.45 yr)  
   first obs. used      2001-08-10  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61202  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:44:51  

Additional Information
 Earth MOID = 1.28974 au 
 Jupiter MOID = 2.22947 au 
 T_jup = 3.364 
[ 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 MPO450243  

312258 (2008 AE13)          Discovered 2008-Jan-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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