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390917 (2005 EZ198)
Classification: Main-belt Asteroid          SPK-ID: 2390917
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09027019288872952 8.4196e-08  
a 2.71389709194381 3.7074e-08 au
q 2.46891307797388 2.4382e-07 au
i 8.565124901765435 9.1982e-06 deg
node 199.03113367757 4.9108e-05 deg
peri 316.3844042733979 7.855e-05 deg
M 175.5068882586754 5.4188e-05 deg
tp 2458204.377027581350
(2018-Mar-26.87702758)
0.00024841 TDB
period 1633.008669427807
4.47
3.3463e-05
9.162e-08
d
yr
n .2204519833480989 4.5174e-09 deg/d
Q 2.95888110591374 4.0421e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      4754 days (13.02 yr)  
   first obs. used      2005-03-11  
   last obs. used      2018-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71008  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:57:26  

Additional Information
 Earth MOID = 1.48523 au 
 Jupiter MOID = 2.04559 au 
 T_jup = 3.340 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456928.5 (2014-Sep-28.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08846230783608 8.395e-08  
q 2.474373448805387 2.4222e-07 au
tp 2456566.268415091609
(2013-Sep-30.76841509)
0.0002642 TDB
node 199.1726751242569 4.904e-05 deg
peri 315.5714340095607 7.992e-05 deg
i 8.569440317844212 9.2028e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      4754 days (13.02 yr)  
   first obs. used      2005-03-11  
   last obs. used      2018-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71008  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:57:26  

Additional Information
 Jupiter MOID = 2.04559 au 
 T_jup = 3.340 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.047585394772412E-15 -2.017153330601049E-14 5.450970394863146E-12 -1.725540661453094E-14 1.167405921786516E-12 -1.763622543254868E-14
q -2.017153330601049E-14 5.867021236243621E-14 -1.736856163317033E-11 4.835457592091934E-14 -3.718913680153522E-12 5.166698264252372E-14
tp 5.450970394863146E-12 -1.736856163317033E-11 6.980320990918609E-8 3.708465941330087E-11 1.670795175270355E-8 1.001129526986253E-11
node -1.725540661453094E-14 4.835457592091934E-14 3.708465941330087E-11 2.404949885358883E-9 -2.367700292645275E-9 -5.082051115054014E-11
peri 1.167405921786516E-12 -3.718913680153522E-12 1.670795175270355E-8 -2.367700292645275E-9 6.387137170741605E-9 5.324894027052229E-11
i -1.763622543254868E-14 5.166698264252372E-14 1.001129526986253E-11 -5.082051115054014E-11 5.324894027052229E-11 8.469091497484342E-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 17.0   n/a MPO437600  

390917 (2005 EZ198)          Discovered 2005-Mar-11 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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