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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .134813000995687 7.0968e-08  
a 2.721051699691807 4.1615e-08 au
q 2.35421855419194 1.9615e-07 au
i 13.23139766231362 9.1482e-06 deg
node 183.9514348293329 2.3191e-05 deg
peri 317.1333748849793 4.0896e-05 deg
M 44.61262852628313 2.9274e-05 deg
tp 2458997.330305129996
(2020-May-27.83030513)
0.00013278 TDB
period 1639.470539381268
4.49
3.7611e-05
1.03e-07
d
yr
n .2195830857295326 5.0374e-09 deg/d
Q 3.087884845191674 4.7226e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      7502 days (20.54 yr)  
   first obs. used      2000-08-30  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63333  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 13:03:24  

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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