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344821 (2004 ER6)
Classification: Main-belt Asteroid          SPK-ID: 2344821
[ 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 .0631171732021578 4.9498e-08  
a 2.332526481479519 1.5845e-08 au
q 2.185304003549356 1.1804e-07 au
i 6.510848887520696 5.6307e-06 deg
node 351.6132172877384 4.8967e-05 deg
peri 183.0960187848227 6.804e-05 deg
M 197.2438710174915 4.8655e-05 deg
tp 2459588.765193307808
(2022-Jan-09.26519331)		 0.00017844 TDB
period 1301.182762915002
3.56		 1.3258e-05
3.63e-08		 d
yr
n .2766713564461171 2.8191e-09 deg/d
Q 2.479748959409682 1.6845e-08 au
   Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      6088 days (16.67 yr)  
   first obs. used      2004-02-26  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:01:35  

Additional Information
 Earth MOID = 1.18983 au 
 Jupiter MOID = 2.48482 au 
 T_jup = 3.559 
[ 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 17.2   n/a MPO437461  

344821 (2004 ER6)          Discovered 2004-Mar-12 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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