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312261 (2008 AM25)
Classification: Main-belt Asteroid          SPK-ID: 2312261
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08563123872998075 4.5986e-08  
a 2.622375752930581 2.4642e-08 au
q 2.397818468791669 1.1643e-07 au
i 3.727674497320113 4.8933e-06 deg
node 91.94278113152789 8.0911e-05 deg
peri 308.7313173327601 8.757e-05 deg
M 53.87343796493396 3.1064e-05 deg
tp 2458768.379766760369
(2019-Oct-11.87976676)
0.00013448 TDB
period 1551.103607322373
4.25
2.1863e-05
5.986e-08
d
yr
n .232092813336601 3.2714e-09 deg/d
Q 2.846933037069492 2.6752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      6229 days (17.05 yr)  
   first obs. used      2002-11-04  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53701  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:31:43  

Additional Information
 Earth MOID = 1.40818 au 
 Jupiter MOID = 2.474 au 
 T_jup = 3.396 
[ 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 16.9   n/a MPO503318  

312261 (2008 AM25)          Discovered 2008-Jan-10 by Mt. Lemmon Survey at Mount Lemmon
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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