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413998 (2007 EU222)
Classification: Main-belt Asteroid          SPK-ID: 2413998
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1348130789723685 7.9221e-08  
a 2.72105163269233 5.0049e-08 au
q 2.354218284046286 2.2987e-07 au
i 13.23139144200414 9.5452e-06 deg
node 183.9514473781217 2.3922e-05 deg
peri 317.1334024119845 4.5264e-05 deg
M 44.6126097101174 3.057e-05 deg
tp 2458997.330398324269
(2020-May-27.83039832)
0.00013963 TDB
period 1639.470478829129
4.49
4.5233e-05
1.238e-07
d
yr
n .2195830938396058 6.0583e-09 deg/d
Q 3.087884981338373 5.6797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      7089 days (19.41 yr)  
   first obs. used      2000-08-30  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60302  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 07:03:41  

Additional Information
 Earth MOID = 1.38238 au 
 Jupiter MOID = 1.96438 au 
 T_jup = 3.307 
[ show covariance matrix ]

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 16.6   n/a MPO455949  

413998 (2007 EU222)          Discovered 2000-Aug-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-11-10

[ show close-approach data ]
Alternate Designations
 2007 EU222 = 2012 HB46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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