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312282 (2008 AN137)
Classification: Main-belt Asteroid          SPK-ID: 2312282
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 .2740863513389418 6.0195e-08  
a 2.63765127588576 2.7484e-08 au
q 1.914707061573727 1.7377e-07 au
i 7.808077649516221 4.7022e-06 deg
node 108.7717878534749 4.3117e-05 deg
peri 310.3498245768091 4.5465e-05 deg
M 9.743364261365146 1.5622e-05 deg
tp 2458958.152192460601
(2020-Apr-18.65219246)
6.7381e-05 TDB
period 1564.676256088961
4.28
2.4455e-05
6.695e-08
d
yr
n .2300795443140743 3.5961e-09 deg/d
Q 3.360595490197793 3.5017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      6344 days (17.37 yr)  
   first obs. used      2002-09-10  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57109  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:45:02  

Additional Information
 Earth MOID = .9382 au 
 Jupiter MOID = 2.01889 au 
 T_jup = 3.329 
[ 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 MPO455301  

312282 (2008 AN137)          Discovered 2008-Jan-01 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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