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390918 (2005 EU202)
Classification: Main-belt Asteroid          SPK-ID: 2390918
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .121508475989614 9.9317e-08  
a 2.20897289062999 1.8182e-08 au
q 1.940563961187168 2.1214e-07 au
i 2.707484653937407 1.1082e-05 deg
node 36.30189821225589 0.00011902 deg
peri 207.3566504004703 0.00012529 deg
M 178.0098232122044 3.6149e-05 deg
tp 2458407.539895616615
(2018-Oct-16.03989562)
0.00012052 TDB
period 1199.17897633968
3.28
1.4806e-05
4.054e-08
d
yr
n .3002053964445307 3.7065e-09 deg/d
Q 2.477381820072813 2.0391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      5313 days (14.55 yr)  
   first obs. used      2005-03-10  
   last obs. used      2019-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:37:22  

Additional Information
 Earth MOID = .928017 au 
 Jupiter MOID = 2.53077 au 
 T_jup = 3.648 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457262.5 (2015-Aug-28.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1212952343975868 9.9218e-08  
q 1.940955150004131 2.1178e-07 au
tp 2457208.788320876146
(2015-Jul-05.28832088)
0.00012291 TDB
node 36.31658215303143 0.00011895 deg
peri 207.4690332509051 0.0001253 deg
i 2.708630943633261 1.1085e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      5313 days (14.55 yr)  
   first obs. used      2005-03-10  
   last obs. used      2019-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:37:22  

Additional Information
 Jupiter MOID = 2.53077 au 
 T_jup = 3.648 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.844226537601345E-15 -2.09668740047328E-14 -8.429631418845487E-12 7.623459152780449E-14 -2.694983206954618E-12 -3.331410429138382E-15
q -2.09668740047328E-14 4.485286168333247E-14 1.827389957818148E-11 -1.632469573245001E-13 5.83953868681296E-12 7.163263933253189E-15
tp -8.429631418845487E-12 1.827389957818148E-11 1.510787183077599E-8 -9.71966913872134E-11 4.856314502627126E-9 5.758438576481582E-12
node 7.623459152780449E-14 -1.632469573245001E-13 -9.71966913872134E-11 1.414916583833779E-8 -1.416302542752003E-8 -4.66731067977607E-10
peri -2.694983206954618E-12 5.83953868681296E-12 4.856314502627126E-9 -1.416302542752003E-8 1.569900231395744E-8 4.680861450297278E-10
i -3.331410429138382E-15 7.163263933253189E-15 5.758438576481582E-12 -4.66731067977607E-10 4.680861450297278E-10 1.228785172102959E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO437600  

390918 (2005 EU202)          Discovered 2005-Mar-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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