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JPL Small-Body Database Browser
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183497 (2003 EH46)
Classification: Main-belt Asteroid          SPK-ID: 2183497
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345903497963196 5.1822e-08  
a 2.896640429922702 2.5747e-08 au
q 2.506780581225243 1.425e-07 au
i 8.62506789688341 7.2497e-06 deg
node 146.4608789633365 3.0367e-05 deg
peri 94.57150493243719 4.3877e-05 deg
M 39.91660819864163 2.8314e-05 deg
tp 2458400.839828680072
(2018-Oct-09.33982868)
0.00014161 TDB
period 1800.695623172213
4.93
2.4008e-05
6.573e-08
d
yr
n .1999227383947335 2.6655e-09 deg/d
Q 3.28650027862016 2.9212e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      9739 days (26.66 yr)  
   first obs. used      1993-02-26  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54271  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 20:41:39  

Additional Information
 Earth MOID = 1.51283 au 
 Jupiter MOID = 1.798 au 
 T_jup = 3.258 
[ 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 15.9   n/a MPO440025  

183497 (2003 EH46)          Discovered 2003-Mar-07 by LONEOS at Anderson Mesa
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2003 EH46 = 2004 NP18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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