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385481 (2003 WL45)
Classification: Main-belt Asteroid          SPK-ID: 2385481
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1969260157405783 6.201e-08  
a 2.195058396022072 1.0882e-08 au
q 1.762794291775541 1.3971e-07 au
i 5.458925680823941 6.08e-06 deg
node 37.46407450004576 5.7712e-05 deg
peri 339.0653565055441 6.0442e-05 deg
M 121.4474405686206 1.5888e-05 deg
tp 2458799.768565996429
(2019-Nov-12.26856600)
5.164e-05 TDB
period 1187.86625363071
3.25
8.8336e-06
2.419e-08
d
yr
n .3030644223620806 2.2537e-09 deg/d
Q 2.627322500268604 1.3025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      6320 days (17.30 yr)  
   first obs. used      2003-10-29  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6213  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:32  

Additional Information
 Earth MOID = .764517 au 
 Jupiter MOID = 2.83576 au 
 T_jup = 3.638 
[ 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 18.17   n/a MPCxxxxx  

385481 (2003 WL45)          Discovered 2003-Nov-19 by NEAT at Palomar
Reference: Last Updated: 2014-02-19

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