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JPL Small-Body Database Browser
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154474 (2003 EJ2)
Classification: Main-belt Asteroid          SPK-ID: 2154474
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1535674268432258 4.1417e-08  
a 2.364265128895166 1.09e-08 au
q 2.001191016675568 9.6463e-08 au
i 1.184812815574125 5.226e-06 deg
node 182.4612307357511 0.00019593 deg
peri 72.51647789183153 0.00019662 deg
M 186.911474095947 1.555e-05 deg
tp 2459638.922920490061
(2022-Feb-28.42292049)
5.7658e-05 TDB
period 1327.830658768355
3.64
9.1826e-06
2.514e-08
d
yr
n .2711189093449027 1.8749e-09 deg/d
Q 2.727339241114765 1.2574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      8653 days (23.69 yr)  
   first obs. used      1996-03-16  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58081  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:29:25  

Additional Information
 Earth MOID = .986813 au 
 Jupiter MOID = 2.31508 au 
 T_jup = 3.533 
[ 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 16.4   n/a MPO348349  

154474 (2003 EJ2)          Discovered 2003-Mar-05 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2003 EJ2 = 2001 WE30 = 2004 RX14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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