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JPL Small-Body Database Browser
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46703 (1997 EC)
Classification: Main-belt Asteroid          SPK-ID: 2046703
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262029451209995 3.2554e-08  
a 2.285011009027778 8.1823e-09 au
q 1.996635890054566 7.737e-08 au
i 6.492595691947181 3.7609e-06 deg
node 133.2346907535162 3.017e-05 deg
peri 252.3696086751171 3.4015e-05 deg
M 278.7871211900872 1.4945e-05 deg
tp 2458885.112045663570
(2020-Feb-05.61204566)
5.2246e-05 TDB
period 1261.626701827728
3.45
6.7766e-06
1.855e-08
d
yr
n .2853458946917225 1.5327e-09 deg/d
Q 2.57338612800099 9.215e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1406  
   data-arc span      8280 days (22.67 yr)  
   first obs. used      1997-03-01  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56608  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:28:30  

Additional Information
 Earth MOID = 1.01051 au 
 Jupiter MOID = 2.87752 au 
 T_jup = 3.583 
[ 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 14.9   n/a MPO436108  

46703 (1997 EC)          Discovered 1997-Mar-01 by Kobayashi, T. at Oizumi
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 EC = 2000 AG83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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