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357418 (2003 XJ42)
Classification: Main-belt Asteroid          SPK-ID: 2357418
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2059671015865096 8.4091e-08  
a 3.130268335005408 4.7775e-08 au
q 2.485536038856315 2.914e-07 au
i 12.06448525552056 6.6573e-06 deg
node 78.71957959447211 3.5157e-05 deg
peri 350.7922811316009 3.9164e-05 deg
M 6.686907259733863 1.864e-05 deg
tp 2458962.925468160784
(2020-Apr-23.42546816)
0.00010434 TDB
period 2022.883066372295
5.54
4.6311e-05
1.268e-07
d
yr
n .1779638210356866 4.0742e-09 deg/d
Q 3.775000631154502 5.7615e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      5868 days (16.07 yr)  
   first obs. used      2003-12-14  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50047  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 08:42:41  

Additional Information
 Earth MOID = 1.50089 au 
 Jupiter MOID = 1.53634 au 
 T_jup = 3.147 
[ 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 16.2   n/a MPO455580  
diameter diameter 4.253 km 0.921 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.029   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

357418 (2003 XJ42)          Discovered 2003-Dec-14 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2003 XJ42 = 2008 UK244 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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