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JPL Small-Body Database Browser
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268997 (2007 EJ105)
Classification: Main-belt Asteroid          SPK-ID: 2268997
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1443922147782147 5.2363e-08  
a 2.64927442597815 2.6157e-08 au
q 2.266739824055882 1.4103e-07 au
i 4.27780122824139 9.7188e-06 deg
node 6.7995876970484 8.4577e-05 deg
peri 285.7201598298734 9.1942e-05 deg
M 191.941098100303 3.5663e-05 deg
tp 2459335.771730004221
(2021-May-01.27173000)
0.00015775 TDB
period 1575.030062730624
4.31
2.3326e-05
6.386e-08
d
yr
n .2285670658094419 3.385e-09 deg/d
Q 3.031809027900418 2.9934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      5224 days (14.30 yr)  
   first obs. used      2004-09-15  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51564  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:07:53  

Additional Information
 Earth MOID = 1.25466 au 
 Jupiter MOID = 2.16243 au 
 T_jup = 3.372 
[ 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 16.7   n/a MPO433745  

268997 (2007 EJ105)          Discovered 2007-Mar-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2007 EJ105 = 2004 RA331 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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