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249438 (2009 FT45)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249438
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1601110886299688 4.9149e-08  
a 3.20967571177447 3.8227e-08 au
q 2.695771039413089 1.7097e-07 au
i 18.87720940225701 5.3346e-06 deg
node 85.69038546401116 1.8171e-05 deg
peri 69.83678994315611 3.277e-05 deg
M 6.653897203447419 2.1428e-05 deg
tp 2458961.679265596494
(2020-Apr-22.17926560)
0.00012522 TDB
period 2100.342695108264
5.75
3.7523e-05
1.027e-07
d
yr
n .1714006008821544 3.0621e-09 deg/d
Q 3.72358038413585 4.4348e-08 au
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      6748 days (18.48 yr)  
   first obs. used      2001-11-19  
   last obs. used      2020-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54994  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:17:52  

Additional Information
 Earth MOID = 1.77503 au 
 Jupiter MOID = 1.70376 au 
 T_jup = 3.088 
[ 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 15.1   n/a MPO418332  
diameter diameter 6.716 km 0.670 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249438 (2009 FT45)          Discovered 2009-Mar-30 by Durig, D. T. at Cordell-Lorenz
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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