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(2010 EL139)
Classification: TransNeptunian Object          SPK-ID: 3515020
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06534248049249783 2.8873e-05  
a 39.46884916043968 0.0015389 au
q 36.88985665411231 0.00093257 au
i 23.01256400862487 5.7905e-05 deg
node 331.2324153415108 0.00025293 deg
peri 212.1996632172323 0.040494 deg
M 31.95123332452257 0.035828 deg
tp 2450962.180802628387
(1998-May-28.68080263)
8.7932 TDB
period 90569.11455223212
247.96
5.297
0.0145
d
yr
n .003974864961193635 2.3247e-07 deg/d
Q 42.04784166676705 0.0016395 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      2856 days (7.82 yr)  
   first obs. used      2010-03-12  
   last obs. used      2018-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .38974  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Sep-17 04:50:11  

Additional Information
 Earth MOID = 35.9149 au 
 Jupiter MOID = 31.5698 au 
 T_jup = 5.191 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457045.5 (2015-Jan-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06808667084788188 2.9702e-05  
q 36.79151466018503 0.0010288 au
tp 2450172.811156427413
(1996-Mar-30.31115643)
8.254 TDB
node 330.9757456620493 0.00025352 deg
peri 208.740417957939 0.038396 deg
i 22.96621620569208 5.746e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      2856 days (7.82 yr)  
   first obs. used      2010-03-12  
   last obs. used      2018-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .38974  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Sep-17 04:50:11  

Additional Information
 Jupiter MOID = 31.5698 au 
 T_jup = 5.191 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.821810909444878E-10 -4.832704416156407E-9 -7.138285076757049E-5 4.542902905627138E-10 -3.365068436476848E-7 1.853205183068827E-10
q -4.832704416156407E-9 1.058467340260224E-6 .008403504051014156 -4.338331920026772E-8 3.907156116929673E-5 -7.170176829592419E-9
tp -7.138285076757049E-5 .008403504051014156 68.12801310074944 -.0003543878842714217 .3169099328305793 -6.298364370732063E-5
node 4.542902905627138E-10 -4.338331920026772E-8 -.0003543878842714217 6.427056122842693E-8 -1.706527650317707E-6 1.437931042106421E-8
peri -3.365068436476848E-7 3.907156116929673E-5 .3169099328305793 -1.706527650317707E-6 .001474246098914697 -3.065504517260734E-7
i 1.853205183068827E-10 -7.170176829592419E-9 -6.298364370732063E-5 1.437931042106421E-8 -3.065504517260734E-7 3.301638369143428E-9

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 5.6   n/a MPO456661  
rotation period rot_per 6.32 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Benecchi, S.D.; Sheppard, S.S. (2013) Astron. J. 145, A124.]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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