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39342 (2002 AA51)
Classification: Main-belt Asteroid          SPK-ID: 2039342
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07595181593741054 4.3177e-08  
a 2.981192988030953 2.5818e-08 au
q 2.754765966930127 1.3422e-07 au
i 11.95702129841529 5.1842e-06 deg
node 123.5713905328883 3.0469e-05 deg
peri 152.740929887426 5.8403e-05 deg
M 338.9374332251631 5.2604e-05 deg
tp 2458710.499917078106
(2019-Aug-14.99991708)
0.00027507 TDB
period 1880.111316509991
5.15
2.4424e-05
6.687e-08
d
yr
n .1914780241141572 2.4874e-09 deg/d
Q 3.207620009131779 2.7779e-08 au
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      7688 days (21.05 yr)  
   first obs. used      1998-04-23  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55588  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:08:18  

Additional Information
 Earth MOID = 1.74329 au 
 Jupiter MOID = 1.97777 au 
 T_jup = 3.222 
[ 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 14.6   n/a MPO259609  
diameter diameter 5.224 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39342 (2002 AA51)          Discovered 2002-Jan-09 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

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