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344578 (2003 AT72)
Classification: Main-belt Asteroid          SPK-ID: 2344578
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1864806670814189 5.5445e-08  
a 2.99302537216605 3.3143e-08 au
q 2.434884004172913 1.5805e-07 au
i 21.62594001155987 7.9944e-06 deg
node 65.50560827223497 1.5151e-05 deg
peri 63.25821246892859 2.923e-05 deg
M 138.3137721149359 2.4109e-05 deg
tp 2458273.847203344712
(2018-Jun-04.34720334)
0.00012165 TDB
period 1891.315686036844
5.18
3.1415e-05
8.601e-08
d
yr
n .190343686491789 3.1617e-09 deg/d
Q 3.551166740159188 3.9324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      6350 days (17.39 yr)  
   first obs. used      2003-01-11  
   last obs. used      2020-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5428  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 06:03:48  

Additional Information
 Earth MOID = 1.52656 au 
 Jupiter MOID = 1.97355 au 
 T_jup = 3.124 
[ 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 15.2   n/a MPO476591  
diameter diameter 5.823 km 1.271 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

344578 (2003 AT72)          Discovered 2003-Jan-11 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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