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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7662749174032019 7.2555e-07  
a 2.59627555526146 1.5054e-08 au
q .6068147185975328 1.8853e-06 au
i .6073762289155036 3.7667e-05 deg
node 316.0232253804555 0.0007818 deg
peri 115.8709041369898 0.00069667 deg
M 238.4209083190262 6.2903e-05 deg
tp 2459516.537184505590
(2021-Oct-29.03718451)
0.00026886 TDB
period 1528.00439494552
4.18
1.329e-05
3.639e-08
d
yr
n .2356014165867865 2.0491e-09 deg/d
Q 4.585736391925388 2.659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      6276 days (17.18 yr)  
   first obs. used      2001-03-03  
   last obs. used      2018-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .29829  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-10 06:24:46  

Additional Information
 Earth MOID = .00351876 au 
 Jupiter MOID = .74826 au 
 T_jup = 2.912 
[ 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 18.5   n/a MPO411878  
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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