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385427 (2003 ER46)
Classification: Main-belt Asteroid          SPK-ID: 2385427
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389125959543198 6.8055e-08  
a 3.153985691477098 3.8661e-08 au
q 2.715857351471234 2.11e-07 au
i 16.94588322811055 7.94e-06 deg
node 9.147618236739904 1.7949e-05 deg
peri 194.2426783459888 3.0219e-05 deg
M 32.71149910377521 2.1833e-05 deg
tp 2459014.597191149740
(2020-Jun-14.09719115)
0.00012483 TDB
period 2045.916971697876
5.60
3.7618e-05
1.03e-07
d
yr
n .1759602197841105 3.2353e-09 deg/d
Q 3.592114031482962 4.4031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      6291 days (17.22 yr)  
   first obs. used      2003-02-25  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54819  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:20  

Additional Information
 Earth MOID = 1.71602 au 
 Jupiter MOID = 1.38173 au 
 T_jup = 3.125 
[ 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 15.92   n/a MPCxxxxx  

385427 (2003 ER46)          Discovered 2003-Mar-08 by LINEAR at Socorro
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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