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305843 (2009 EB)
Classification: Main-belt Asteroid          SPK-ID: 2305843
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1264459862730226 5.8954e-08  
a 2.774048657829205 3.5378e-08 au
q 2.423281339320636 1.7068e-07 au
i 13.95723534423007 6.0592e-06 deg
node 172.0771662200882 2.3903e-05 deg
peri 29.55742636108938 3.2457e-05 deg
M 53.37876042376516 2.2516e-05 deg
tp 2458350.272220466319
(2018-Aug-19.77222047)
0.00010388 TDB
period 1687.600085070896
4.62
3.2284e-05
8.839e-08
d
yr
n .2133206813537677 4.0808e-09 deg/d
Q 3.124815976337773 3.9852e-08 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      5655 days (15.48 yr)  
   first obs. used      2002-11-07  
   last obs. used      2018-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56956  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 10:48:20  

Additional Information
 Earth MOID = 1.43231 au 
 Jupiter MOID = 1.85191 au 
 T_jup = 3.282 
[ 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 16.1   n/a MPO450229  
diameter diameter 3.457 km 0.431 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

305843 (2009 EB)          Discovered 2009-Mar-01 by Lowe, A. at Mayhill
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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