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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262881049773444 3.2414e-08  
a 2.284795134458093 8.0882e-09 au
q 1.996252686665923 7.7127e-08 au
i 6.493229440159187 3.6955e-06 deg
node 133.232058013973 2.976e-05 deg
peri 252.4879499255817 3.3607e-05 deg
M 32.8430862275325 1.4661e-05 deg
tp 2458885.417103374249
(2020-Feb-05.91710337)
5.1424e-05 TDB
period 1261.447919304844
3.45
6.6983e-06
1.834e-08
d
yr
n .2853863362019639 1.5154e-09 deg/d
Q 2.573337582250262 9.1097e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1444  
   data-arc span      8363 days (22.90 yr)  
   first obs. used      1997-03-01  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56883  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:33:09  

Additional Information
 Earth MOID = 1.01092 au 
 Jupiter MOID = 2.87759 au 
 T_jup = 3.584 
[ 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 15.0   n/a MPO502467  

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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