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JPL Small-Body Database Browser
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(2001 EC)
Classification: Apollo [NEO, PHA]          SPK-ID: 3070541
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 67 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .765048350133816 7.2836e-08  
a 2.598199575208342 9.8005e-09 au
q .6104512768768183 1.9149e-07 au
i .6060980895978025 1.5826e-05 deg
node 316.1017783384341 0.00036553 deg
peri 115.7076192414134 0.00037018 deg
M 331.6517566723463 5.6375e-06 deg
tp 2459516.956666147589
(2021-Oct-29.45666615)
2.3994e-05 TDB
period 1529.703245168278
4.19
8.6552e-06
2.37e-08
d
yr
n .2353397635372065 1.3316e-09 deg/d
Q 4.585947873539865 1.7298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      435  
   data-arc span      7495 days (20.52 yr)  
   first obs. used      2001-03-03  
   last obs. used      2021-09-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39485  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-10 05:56:57  

Additional Information
 Earth MOID = .00339365 au 
 Jupiter MOID = .750128 au 
 T_jup = 2.913 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.65   n/a E2021Q56  
SMASSII spectral type spec_B Sq   n/a Binzel et al. (2004) Icarus 170, 259-294  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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