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249445 (2009 FE68)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249445
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1618574213534036 5.6032e-08  
a 3.219313758681924 6.019e-08 au
q 2.698243935174134 1.8312e-07 au
i 3.206078300979616 6.6402e-06 deg
node 100.6504906684868 0.00013933 deg
peri 179.0621934109455 0.00014147 deg
M 270.2268732136412 2.649e-05 deg
tp 2459526.622937792686
(2021-Nov-08.12293779)
0.00016161 TDB
period 2109.810189146128
5.78
5.9169e-05
1.62e-07
d
yr
n .1706314633667104 4.7853e-09 deg/d
Q 3.740383582189713 6.9932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      5219 days (14.29 yr)  
   first obs. used      2005-10-12  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64694  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:23:31  

Additional Information
 Earth MOID = 1.68178 au 
 Jupiter MOID = 1.40037 au 
 T_jup = 3.166 
[ 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 15.6   n/a MPO433634  
diameter diameter 3.768 km 1.346 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249445 (2009 FE68)          Discovered 2009-Mar-28 by Spacewatch at Kitt Peak
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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