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382754 (2003 EW38)
Classification: Main-belt Asteroid          SPK-ID: 2382754
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1347553367818101 6.0545e-08  
a 2.422914632029615 1.9204e-08 au
q 2.096413954796888 1.4553e-07 au
i 3.78903020876721 1.0423e-05 deg
node 122.9827038384406 0.00010767 deg
peri 108.0377620437094 0.0001168 deg
M 153.1345290177289 4.2822e-05 deg
tp 2458414.528866234935
(2018-Oct-23.02886623)
0.0001618 TDB
period 1377.544369049524
3.77
1.6378e-05
4.484e-08
d
yr
n .2613345951596407 3.1071e-09 deg/d
Q 2.749415309262341 2.1792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      9429 days (25.82 yr)  
   first obs. used      1992-05-03  
   last obs. used      2018-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69507  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-06 02:02:12  

Additional Information
 Earth MOID = 1.08948 au 
 Jupiter MOID = 2.24383 au 
 T_jup = 3.497 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456739.5 (2014-Mar-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .134237924862749 6.0651e-08  
q 2.098556484327947 1.4567e-07 au
tp 2457036.643910009496
(2015-Jan-14.14391001)
0.00015887 TDB
node 123.0128930169215 0.00010771 deg
peri 108.0417247477889 0.00011688 deg
i 3.787850094150352 1.042e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      9429 days (25.82 yr)  
   first obs. used      1992-05-03  
   last obs. used      2018-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69507  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-06 02:02:12  

Additional Information
 Jupiter MOID = 2.24383 au 
 T_jup = 3.497 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.678496364194994E-15 -8.777716642327628E-15 1.231475262885047E-12 -1.277841282413716E-14 3.493373255563589E-13 1.941353149802811E-16
q -8.777716642327628E-15 2.122093639195484E-14 -2.524821288288527E-12 2.579584725033998E-14 -7.326726669540416E-13 -1.199983056631514E-15
tp 1.231475262885047E-12 -2.524821288288527E-12 2.523896505924976E-8 -1.700212074493616E-10 7.237679693607237E-9 -2.168618330311116E-12
node -1.277841282413716E-14 2.579584725033998E-14 -1.700212074493616E-10 1.160252005292569E-8 -1.162345422140356E-8 1.204916709715244E-10
peri 3.493373255563589E-13 -7.326726669540416E-13 7.237679693607237E-9 -1.162345422140356E-8 1.36600848070744E-8 -1.209062165001765E-10
i 1.941353149802811E-16 -1.199983056631514E-15 -2.168618330311116E-12 1.204916709715244E-10 -1.209062165001765E-10 1.085724455340598E-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 17.7   n/a MPO437566  

382754 (2003 EW38)          Discovered 2003-Mar-08 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-01-21

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