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216370 (2008 AU117)
Classification: Main-belt Asteroid          SPK-ID: 2216370
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07581674747451665 6.5253e-08  
a 3.058459994389712 4.2039e-08 au
q 2.826577505334156 2.1011e-07 au
i 1.31603878144175 6.6763e-06 deg
node 14.26384994233774 0.00031034 deg
peri 263.391608509701 0.00031386 deg
M 18.75556436809669 4.5315e-05 deg
tp 2459098.715823033100
(2020-Sep-06.21582303)
0.00024585 TDB
period 1953.676412447117
5.35
4.0281e-05
1.103e-07
d
yr
n .1842679768800989 3.7992e-09 deg/d
Q 3.290342483445268 4.5227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      5856 days (16.03 yr)  
   first obs. used      2003-03-24  
   last obs. used      2019-04-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64744  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:32  

Additional Information
 Earth MOID = 1.80869 au 
 Jupiter MOID = 1.79624 au 
 T_jup = 3.230 
[ 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 16.3   n/a MPO433416  

216370 (2008 AU117)          Discovered 2008-Jan-10 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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