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227887 (2007 EK46)
Classification: Main-belt Asteroid          SPK-ID: 2227887
[ 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 .03956665039495984 3.7899e-08  
a 2.625255248450102 2.0811e-08 au
q 2.521382691837144 9.6397e-08 au
i 3.41060067027683 5.345e-06 deg
node 188.7771367693499 6.9349e-05 deg
peri 277.522943328284 0.00010273 deg
M 165.498439710088 7.7769e-05 deg
tp 2458486.255124903677
(2019-Jan-02.75512490)		 0.00033169 TDB
period 1553.659088781145
4.25		 1.8475e-05
5.058e-08		 d
yr
n .23171106364294 2.7553e-09 deg/d
Q 2.729127805063061 2.1635e-08 au
   Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      7210 days (19.74 yr)  
   first obs. used      2000-09-27  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52771  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:32  

Additional Information
 Earth MOID = 1.54084 au 
 Jupiter MOID = 2.30797 au 
 T_jup = 3.399 
[ 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 16.47   n/a E2021B55  

227887 (2007 EK46)          Discovered 2007-Mar-09 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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