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190246 (2007 EN139)
Classification: Main-belt Asteroid          SPK-ID: 2190246
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2307265378168921 4.3331e-08  
a 2.383690025418834 1.0164e-08 au
q 1.833709478625287 1.0376e-07 au
i 12.63643120233858 4.8475e-06 deg
node 155.6691296214735 1.7771e-05 deg
peri 177.6587436074406 1.9924e-05 deg
M 122.2228392312945 8.0323e-06 deg
tp 2458744.123826160857
(2019-Sep-17.62382616)
2.962e-05 TDB
period 1344.228489662057
3.68
8.5975e-06
2.354e-08
d
yr
n .2678116129576341 1.7129e-09 deg/d
Q 2.933670572212381 1.2509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      7041 days (19.28 yr)  
   first obs. used      2001-10-28  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52621  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:06:51  

Additional Information
 Earth MOID = .821881 au 
 Jupiter MOID = 2.45625 au 
 T_jup = 3.468 
[ 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 16.6   n/a MPO503008  

190246 (2007 EN139)          Discovered 2007-Mar-12 by Spacewatch at Kitt Peak
Reference: 20080819/Numbers.arcLast Updated: 2008-08-25
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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