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359240 (2009 EL28)
Classification: Main-belt Asteroid          SPK-ID: 2359240
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0215656380598124 6.6477e-08  
a 2.716860970165837 3.2923e-08 au
q 2.65827012982441 1.7338e-07 au
i 6.689578230029915 8.9482e-06 deg
node 36.55408872047715 5.194e-05 deg
peri 235.7576632188284 0.00021727 deg
M 104.6368330531307 0.00021432 deg
tp 2458525.075415987575
(2019-Feb-10.57541599)
0.00097235 TDB
period 1635.684541002572
4.48
2.9731e-05
8.14e-08
d
yr
n .2200913385042708 4.0006e-09 deg/d
Q 2.775451810507264 3.3633e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      6084 days (16.66 yr)  
   first obs. used      2004-03-16  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65283  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:27:08  

Additional Information
 Earth MOID = 1.64922 au 
 Jupiter MOID = 2.22131 au 
 T_jup = 3.350 
[ 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 16.8   n/a MPO450333  

359240 (2009 EL28)          Discovered 2009-Mar-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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