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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07506571280407885 4.2889e-08  
a 2.977954622546676 2.3301e-08 au
q 2.754412336107009 1.3212e-07 au
i 11.96703005589841 5.013e-06 deg
node 123.5498068641646 2.9047e-05 deg
peri 152.0391305332456 5.2853e-05 deg
M 56.24521190777143 4.5171e-05 deg
tp 2458707.236105850219
(2019-Aug-11.73610585)
0.00023524 TDB
period 1877.04870002159
5.14
2.2031e-05
6.032e-08
d
yr
n .1917904420891473 2.251e-09 deg/d
Q 3.201496908986344 2.505e-08 au
  Orbit Determination Parameters
   # obs. used (total)      763  
   data-arc span      7795 days (21.34 yr)  
   first obs. used      1998-04-23  
   last obs. used      2019-08-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54652  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:11:01  

Additional Information
 Earth MOID = 1.74381 au 
 Jupiter MOID = 1.98352 au 
 T_jup = 3.223 
[ 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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