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344603 (2003 ER16)
Classification: Main-belt Asteroid          SPK-ID: 2344603
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1918764733807636 8.823e-08  
a 3.114420690760578 4.0679e-08 au
q 2.516836631993357 2.7922e-07 au
i 26.28744395947002 1.0855e-05 deg
node 21.97705403321477 1.39e-05 deg
peri 100.6014933135043 3.7071e-05 deg
M 81.09415956691615 2.9043e-05 deg
tp 2458548.278280142403
(2019-Mar-05.77828014)		 0.00015964 TDB
period 2007.540617205584
5.50		 3.9332e-05
1.077e-07		 d
yr
n .1793238935813441 3.5133e-09 deg/d
Q 3.7120047495278 4.8484e-08 au
   Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      6755 days (18.49 yr)  
   first obs. used      2001-10-26  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56857  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:27:02  

Additional Information
 Earth MOID = 1.67109 au 
 Jupiter MOID = 1.71529 au 
 T_jup = 3.032 
[ 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 15.8   n/a MPO248728  

344603 (2003 ER16)          Discovered 2003-Mar-09 by NEAT at Palomar
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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