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379492 (2010 EH139)
Classification: Main-belt Asteroid          SPK-ID: 2379492
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05885252401450838 1.0297e-07  
a 3.188893430543108 7.4619e-08 au
q 3.001219003342362 3.1225e-07 au
i 9.130741522007652 1.1424e-05 deg
node 12.15499136544793 4.1986e-05 deg
peri 167.8481740709653 7.3053e-05 deg
M 282.8614400145627 6.1003e-05 deg
tp 2459446.184429812745
(2021-Aug-19.68442981)
0.00035778 TDB
period 2079.976535248758
5.69
7.3006e-05
1.999e-07
d
yr
n .1730788756022891 6.075e-09 deg/d
Q 3.376567857743854 7.901e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      5346 days (14.64 yr)  
   first obs. used      2004-02-16  
   last obs. used      2018-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65395  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:25:05  

Additional Information
 Earth MOID = 2.00428 au 
 Jupiter MOID = 1.581 au 
 T_jup = 3.175 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457163.5 (2015-May-21.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06141616045324037 1.0259e-07  
q 2.99503813155412 3.1349e-07 au
tp 2457373.127350182316
(2015-Dec-16.62735018)
0.00032334 TDB
node 12.19931313176501 4.2032e-05 deg
peri 168.8870065836113 7.0928e-05 deg
i 9.126137507805774 1.1417e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      5346 days (14.64 yr)  
   first obs. used      2004-02-16  
   last obs. used      2018-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65395  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:25:05  

Additional Information
 Jupiter MOID = 1.581 au 
 T_jup = 3.175 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.052547076641059E-14 -3.143305515229815E-14 6.21155212487814E-12 6.790709798647464E-15 1.089258678150709E-12 -3.910278756591793E-16
q -3.143305515229815E-14 9.827726360470012E-14 -1.642000286184497E-11 -1.471356612999385E-14 -2.965303149204933E-12 2.058880152204724E-15
tp 6.21155212487814E-12 -1.642000286184497E-11 1.045485775865574E-7 -3.490448616797688E-11 1.850402079498883E-8 5.64250635883816E-11
node 6.790709798647464E-15 -1.471356612999385E-14 -3.490448616797688E-11 1.766685308942232E-9 -1.750136391379071E-9 -7.580688130317259E-11
peri 1.089258678150709E-12 -2.965303149204933E-12 1.850402079498883E-8 -1.750136391379071E-9 5.030803950383003E-9 8.475981960721986E-11
i -3.910278756591793E-16 2.058880152204724E-15 5.64250635883816E-11 -7.580688130317259E-11 8.475981960721986E-11 1.303417360154223E-10

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 16.0   n/a MPO455731  

379492 (2010 EH139)          Discovered 2010-Mar-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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