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300868 (2008 AN11)
Classification: Main-belt Asteroid          SPK-ID: 2300868
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1243406000509026 5.7603e-08  
a 3.040660433627054 3.1238e-08 au
q 2.662582890758828 1.8037e-07 au
i 6.342833555409461 4.9645e-06 deg
node 142.1305915855737 5.8015e-05 deg
peri 275.7022784297454 6.1172e-05 deg
M 171.5895562048985 2.0603e-05 deg
tp 2458077.421445108944
(2017-Nov-19.92144511)
0.00010737 TDB
period 1936.64630360116
5.30
2.9844e-05
8.171e-08
d
yr
n .1858883572754541 2.8646e-09 deg/d
Q 3.41873797649528 3.5122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      9034 days (24.73 yr)  
   first obs. used      1995-08-03  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51421  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:37:09  

Additional Information
 Earth MOID = 1.68428 au 
 Jupiter MOID = 1.93181 au 
 T_jup = 3.219 
[ 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 15.9   n/a MPO433939  

300868 (2008 AN11)          Discovered 2008-Jan-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

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