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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1212558442273903 6.809e-08  
a 2.209175729148639 1.5346e-08 au
q 1.94130026106406 1.4893e-07 au
i 2.707307802959591 8.3389e-06 deg
node 36.29164485921486 0.00011455 deg
peri 207.3954005338219 0.00011857 deg
M 296.8258217807428 3.1668e-05 deg
tp 2459606.965503294718
(2022-Jan-27.46550329)
0.00010647 TDB
period 1199.344151705997
3.28
1.2497e-05
3.421e-08
d
yr
n .3001640517343758 3.1277e-09 deg/d
Q 2.477051197233218 1.7207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      5807 days (15.90 yr)  
   first obs. used      2005-03-10  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58571  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:25:18  

Additional Information
 Earth MOID = .92902 au 
 Jupiter MOID = 2.5288 au 
 T_jup = 3.647 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457514.5 (2016-May-06.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1213994487753914 6.8057e-08  
q 1.940966082970796 1.4886e-07 au
tp 2457208.886321482465
(2015-Jul-05.38632148)
9.7887e-05 TDB
node 36.31373880340798 0.00011447 deg
peri 207.5044254976335 0.0001185 deg
i 2.708625152195592 8.3412e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      5807 days (15.90 yr)  
   first obs. used      2005-03-10  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58571  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:25:18  

Additional Information
 Jupiter MOID = 2.5288 au 
 T_jup = 3.647 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.631765506161325E-15 -1.009077257047865E-14 -3.067323098310826E-12 2.886284838021647E-14 -8.960062852859686E-13 2.396336544768811E-16
q -1.009077257047865E-14 2.215985205268356E-14 7.084257628556281E-12 -6.519464823680196E-14 2.086174459595707E-12 -1.30219552541087E-16
tp -3.067323098310826E-12 7.084257628556281E-12 9.581816755713293E-9 -6.086737323539262E-11 3.01455295616918E-9 4.882324755130893E-12
node 2.886284838021647E-14 -6.519464823680196E-14 -6.086737323539262E-11 1.310376931797511E-8 -1.31069383602395E-8 -2.310592689562464E-10
peri -8.960062852859686E-13 2.086174459595707E-12 3.01455295616918E-9 -1.31069383602395E-8 1.404236044974846E-8 2.323928117916607E-10
i 2.396336544768811E-16 -1.30219552541087E-16 4.882324755130893E-12 -2.310592689562464E-10 2.323928117916607E-10 6.957607927594832E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.92   n/a MPCxxxxx  

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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