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JPL Small-Body Database Browser
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226622 (2004 EJ7)
Classification: Main-belt Asteroid          SPK-ID: 2226622
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06752303104751309 4.941e-08  
a 2.312696681419099 1.1915e-08 au
q 2.156536391596157 1.1378e-07 au
i 7.079872613540892 6.5243e-06 deg
node 10.64311619427252 3.9114e-05 deg
peri 211.3567356796223 6.113e-05 deg
M 69.83389982071466 4.7376e-05 deg
tp 2458351.304475928754
(2018-Aug-20.80447593)
0.00016871 TDB
period 1284.625216348553
3.52
9.9272e-06
2.718e-08
d
yr
n .2802373761767435 2.1656e-09 deg/d
Q 2.468856971242041 1.2719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      402  
   data-arc span      6197 days (16.97 yr)  
   first obs. used      2002-11-13  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56395  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:54:42  

Additional Information
 Earth MOID = 1.15248 au 
 Jupiter MOID = 2.50568 au 
 T_jup = 3.570 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO334335  

226622 (2004 EJ7)          Discovered 2004-Mar-12 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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