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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1342763203873664 5.1882e-08  
a 2.895421976561706 2.5497e-08 au
q 2.506635367580285 1.4255e-07 au
i 8.626631899446311 7.251e-06 deg
node 146.4573035440152 3.0361e-05 deg
peri 94.42663186742929 4.3915e-05 deg
M 120.0928156544519 2.8417e-05 deg
tp 2458400.182846636975
(2018-Oct-08.68284664)
0.00014186 TDB
period 1799.559565932099
4.93
2.377e-05
6.508e-08
d
yr
n .2000489490957942 2.6424e-09 deg/d
Q 3.284208585543127 2.892e-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 = 1.51286 au 
 Jupiter MOID = 1.79919 au 
 T_jup = 3.259 
[ 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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