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JPL Small-Body Database Browser
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243901 (2001 EJ2)
Classification: Main-belt Asteroid          SPK-ID: 2243901
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2180705926290997 4.1831e-08  
a 2.607406871276562 1.7153e-08 au
q 2.038808109632095 1.0633e-07 au
i 15.2535798967994 4.6341e-06 deg
node 127.8790011621345 2.4078e-05 deg
peri 13.06169832395354 2.8574e-05 deg
M 129.6824970545336 1.7857e-05 deg
tp 2458046.524575500352
(2017-Oct-20.02457550)
7.3279e-05 TDB
period 1537.841708399624
4.21
1.5175e-05
4.155e-08
d
yr
n .234094314150602 2.31e-09 deg/d
Q 3.176005632921028 2.0894e-08 au
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      6367 days (17.43 yr)  
   first obs. used      2001-01-04  
   last obs. used      2018-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56416  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:34:50  

Additional Information
 Earth MOID = 1.05547 au 
 Jupiter MOID = 1.87519 au 
 T_jup = 3.329 
[ 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 15.6   n/a MPO437138  

243901 (2001 EJ2)          Discovered 2001-Mar-01 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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