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JPL Small-Body Database Browser
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172392 (2003 AA55)
Classification: Main-belt Asteroid          SPK-ID: 2172392
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05136405577526505 5.5444e-08  
a 3.156464257241407 2.6891e-08 au
q 2.994335451079829 1.8048e-07 au
i 17.12523433643767 5.1868e-06 deg
node 102.7538786839475 1.831e-05 deg
peri 61.4292404768489 5.986e-05 deg
M 357.4312865567178 5.4829e-05 deg
tp 2459015.115473792258
(2020-Jun-14.61547379)
0.00031196 TDB
period 2048.329127164157
5.61
2.6175e-05
7.166e-08
d
yr
n .1757530053280099 2.2459e-09 deg/d
Q 3.318593063402985 2.8272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      6710 days (18.37 yr)  
   first obs. used      2001-09-19  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5327  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:47:55  

Additional Information
 Earth MOID = 2.04394 au 
 Jupiter MOID = 1.86606 au 
 T_jup = 3.135 
[ 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 14.8   n/a MPO248296  
diameter diameter 5.646 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172392 (2003 AA55)          Discovered 2003-Jan-05 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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