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312275 (2008 AN108)
Classification: Main-belt Asteroid          SPK-ID: 2312275
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1970840401412215 8.7522e-08  
a 2.596548461116543 1.9914e-08 au
q 2.084810199977224 2.2872e-07 au
i 6.342637402976126 5.5135e-06 deg
node 287.2521042979167 7.6231e-05 deg
peri 108.6330954657401 7.8404e-05 deg
M 47.42250497859457 1.4839e-05 deg
tp 2458799.185495860247
(2019-Nov-11.68549586)		 6.3134e-05 TDB
period 1528.245324092935
4.18		 1.7581e-05
4.813e-08		 d
yr
n .2355642738273531 2.71e-09 deg/d
Q 3.108286722255863 2.3839e-08 au
   Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      6371 days (17.44 yr)  
   first obs. used      2002-08-16  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55514  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:45:01  

Additional Information
 Earth MOID = 1.10239 au 
 Jupiter MOID = 2.35898 au 
 T_jup = 3.381 
[ 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 16.8   n/a MPO503318  

312275 (2008 AN108)          Discovered 2008-Jan-15 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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