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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2738765605278706 6.0364e-08  
a 2.637495006505464 2.7925e-08 au
q 1.915146945714314 1.7437e-07 au
i 7.807777525736437 4.7525e-06 deg
node 108.7714924706831 4.3142e-05 deg
peri 310.3280317221936 4.5517e-05 deg
M 277.707287203444 1.4733e-05 deg
tp 2458958.138919711668
(2020-Apr-18.63891971)
6.8366e-05 TDB
period 1564.537207741546
4.28
2.4847e-05
6.803e-08
d
yr
n .2300999926487337 3.6543e-09 deg/d
Q 3.359843067296614 3.5573e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      6253 days (17.12 yr)  
   first obs. used      2002-09-10  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57979  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:09:30  

Additional Information
 Earth MOID = .938318 au 
 Jupiter MOID = 2.01893 au 
 T_jup = 3.330 
[ 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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