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382731 (2003 AN42)
Classification: Main-belt Asteroid          SPK-ID: 2382731
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2566765703952029 1.43e-07  
a 3.120729231441676 4.1304e-08 au
q 2.319711155183169 4.4048e-07 au
i 15.60694485667349 1.0514e-05 deg
node 302.6886010679625 3.211e-05 deg
peri 226.1296901309667 3.4746e-05 deg
M 38.70738676847064 1.5889e-05 deg
tp 2458783.992018288908
(2019-Oct-27.49201829)
8.5923e-05 TDB
period 2013.643387558313
5.51
3.9977e-05
1.095e-07
d
yr
n .1787804147568184 3.5493e-09 deg/d
Q 3.921747307700183 5.1906e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      6321 days (17.31 yr)  
   first obs. used      2003-01-07  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58259  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:43:51  

Additional Information
 Earth MOID = 1.35687 au 
 Jupiter MOID = 1.32165 au 
 T_jup = 3.109 
[ 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 15.3   n/a MPO427905  
diameter diameter 5.943 km 1.410 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

382731 (2003 AN42)          Discovered 2003-Jan-07 by LINEAR at Socorro
Reference: Last Updated: 2014-01-21

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