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249223 (2008 EF105)
Classification: Main-belt Asteroid          SPK-ID: 2249223
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1217388843012117 5.7235e-08  
a 3.04419197911846 3.3543e-08 au
q 2.673595443981881 1.8005e-07 au
i 8.100573214009195 6.2401e-06 deg
node 123.0957555987809 4.3427e-05 deg
peri 185.2922905610888 4.9778e-05 deg
M 260.9211095037298 2.6004e-05 deg
tp 2459134.430975460338
(2020-Oct-11.93097546)
0.00014339 TDB
period 1940.02123159582
5.31
3.2065e-05
8.779e-08
d
yr
n .1855649794635864 3.067e-09 deg/d
Q 3.414788514255039 3.7627e-08 au
  Orbit Determination Parameters
   # obs. used (total)      245  
   data-arc span      5877 days (16.09 yr)  
   first obs. used      2003-03-27  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6288  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:55:46  

Additional Information
 Earth MOID = 1.65814 au 
 Jupiter MOID = 1.83454 au 
 T_jup = 3.213 
[ 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 15.8   n/a MPO437158  
diameter diameter 3.104 km 0.691 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.105   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249223 (2008 EF105)          Discovered 2008-Mar-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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