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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1971997041082624 8.5581e-08  
a 2.596588894961735 1.8601e-08 au
q 2.08454233318448 2.2245e-07 au
i 6.342376960052982 5.0408e-06 deg
node 287.2511136077406 6.9366e-05 deg
peri 108.6252646331337 7.1141e-05 deg
M 94.52997239071728 1.4e-05 deg
tp 2458799.198992355994
(2019-Nov-11.69899236)
5.9035e-05 TDB
period 1528.281021332752
4.18
1.6422e-05
4.496e-08
d
yr
n .2355587715707275 2.5311e-09 deg/d
Q 3.108635456738989 2.2269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      272  
   data-arc span      6786 days (18.58 yr)  
   first obs. used      2002-08-16  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54177  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:29:18  

Additional Information
 Earth MOID = 1.10108 au 
 Jupiter MOID = 2.3597 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

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