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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457128.5 (2015-Apr-16.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .135158047234385 8.0043e-08  
q 2.353014072071914 2.3254e-07 au
tp 2457360.527465510575
(2015-Dec-04.02746551)
0.00014847 TDB
node 183.9789687985062 2.3932e-05 deg
peri 317.7965213214358 4.482e-05 deg
i 13.22882951239103 9.5456e-06 deg
  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
 Jupiter MOID = 1.96438 au 
 T_jup = 3.307 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.406870857471543E-15 -1.830903018590656E-14 7.153575469083378E-12 -9.163381909867375E-14 1.802655518253488E-12 -1.341477584441529E-14
q -1.830903018590656E-14 5.407507750033005E-14 -2.199271436228034E-11 2.6676665242822E-13 -5.600447791537018E-12 4.561985776523665E-14
tp 7.153575469083378E-12 -2.199271436228034E-11 2.20443253918199E-8 -1.559586656824742E-10 5.646437816284033E-9 -2.20346672122324E-11
node -9.163381909867375E-14 2.6676665242822E-13 -1.559586656824742E-10 5.727168895935595E-10 -5.94230806632308E-10 -4.840139967587882E-11
peri 1.802655518253488E-12 -5.600447791537018E-12 5.646437816284033E-9 -5.94230806632308E-10 2.008867811518421E-9 4.180355511390508E-11
i -1.341477584441529E-14 4.561985776523665E-14 -2.20346672122324E-11 -4.840139967587882E-11 4.180355511390508E-11 9.111800494437421E-11

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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