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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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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1971996987878246 8.6694e-08  
a 2.596588897247126 1.9577e-08 au
q 2.084542348834183 2.2616e-07 au
i 6.342378890606394 5.4038e-06 deg
node 287.251087784504 7.3685e-05 deg
peri 108.6252882689423 7.5805e-05 deg
M 94.52997346280453 1.4611e-05 deg
tp 2458799.198987274934
(2019-Nov-11.69898727)
6.2067e-05 TDB
period 1528.28102335043
4.18
1.7284e-05
4.732e-08
d
yr
n .2355587712597365 2.664e-09 deg/d
Q 3.108635445660069 2.3438e-08 au
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      6704 days (18.35 yr)  
   first obs. used      2002-08-16  
   last obs. used      2020-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55225  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 15:20:28  

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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