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(2015 ME131)
Classification: Atira [NEO]          SPK-ID: 3724221
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2457197.5 (2015-Jun-24.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2042248576629713 0.17458  
a .8061179472550891 0.1346 au
q .641488624217352 0.24179 au
i 30.23674371740546 14.501 deg
node 315.3518765645705 11.994 deg
peri 162.2739308629724 22.63 deg
M 192.5934184291263 33.803 deg
tp 2457320.432394167592
(2015-Oct-24.93239417)
28.879 TDB
period 264.360346439527
0.72
66.211
0.1813
d
yr
n 1.361777607150892 0.34107 deg/d
Q .9707472702928263 0.16209 au
  Orbit Determination Parameters
   # obs. used (total)      6  
   data-arc span      2 days  
   first obs. used      2015-06-23  
   last obs. used      2015-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .26502  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:32:52  

Additional Information
 Earth MOID = .0542759 au 
 Jupiter MOID = 4.09165 au 
 T_jup = 7.121 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e .03047952628491665 -.04143083483414849 -4.626726580146965 -.4636505237268939 .8870271153623984 .5099777275938773
q -.04143083483414849 .0584624476982469 5.757557375109551 1.172022042567449 -2.227207834303814 -.0353140749275443
tp -4.626726580146965 5.757557375109551 834.0217898920647 -63.84732126590474 118.4246726234632 -240.4104871305135
node -.4636505237268939 1.172022042567449 -63.84732126590474 143.8640888029529 -271.4360455151215 158.3753915344608
peri .8870271153623984 -2.227207834303814 118.4246726234632 -271.4360455151215 512.1380589637332 -298.3846489005668
i .5099777275938773 -.0353140749275443 -240.4104871305135 158.3753915344608 -298.3846489005668 210.2724030259459

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.5   n/a MPO344134  
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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