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393748 (2005 EC141)
Classification: Main-belt Asteroid          SPK-ID: 2393748
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .213399173488282 9.091e-08  
a 2.675128088883794 3.264e-08 au
q 2.104257965740705 2.5094e-07 au
i 6.12691133743114 9.237e-06 deg
node 225.1183602558302 8.2142e-05 deg
peri 299.0988861829394 8.5027e-05 deg
M 167.7459839018502 2.0399e-05 deg
tp 2458255.828162672678
(2018-May-17.32816267)
8.6706e-05 TDB
period 1598.14175697162
4.38
2.9249e-05
8.008e-08
d
yr
n .2252616192709824 4.1227e-09 deg/d
Q 3.245998212026882 3.9605e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      6634 days (18.16 yr)  
   first obs. used      1999-11-29  
   last obs. used      2018-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71719  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:41:21  

Additional Information
 Earth MOID = 1.11958 au 
 Jupiter MOID = 1.78356 au 
 T_jup = 3.338 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457210.5 (2015-Jul-07.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2118007432747063 9.1289e-08  
q 2.110167197149154 2.5167e-07 au
tp 2456654.782836038308
(2013-Dec-28.28283604)
8.647e-05 TDB
node 225.2012090498177 8.2033e-05 deg
peri 299.0344676686914 8.4966e-05 deg
i 6.128030736450643 9.2408e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      6634 days (18.16 yr)  
   first obs. used      1999-11-29  
   last obs. used      2018-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71719  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:41:21  

Additional Information
 Jupiter MOID = 1.78356 au 
 T_jup = 3.338 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.333714919855004E-15 -2.286241244731593E-14 9.249544328410711E-13 4.146334949822183E-14 4.246117898061849E-13 -1.399542676194036E-14
q -2.286241244731593E-14 6.333668104825165E-14 -2.753385826135649E-12 -1.152529106576624E-13 -1.165146864677209E-12 3.828564553422402E-14
tp 9.249544328410711E-13 -2.753385826135649E-12 7.4771049575102E-9 -9.623498456575018E-12 1.960786217421465E-9 4.888228263940423E-12
node 4.146334949822183E-14 -1.152529106576624E-13 -9.623498456575018E-12 6.729348171636176E-9 -6.692882062063613E-9 1.793702814954024E-11
peri 4.246117898061849E-13 -1.165146864677209E-12 1.960786217421465E-9 -6.692882062063613E-9 7.219249944584656E-9 -1.668765036383967E-11
i -1.399542676194036E-14 3.828564553422402E-14 4.888228263940423E-12 1.793702814954024E-11 -1.668765036383967E-11 8.539212565705397E-11

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 16.9   n/a MPO437612  

393748 (2005 EC141)          Discovered 2005-Mar-10 by CSS at Catalina
Reference: Last Updated: 2014-05-15

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