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249441 (2009 FL57)
Classification: Main-belt Asteroid          SPK-ID: 2249441
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .184408007921322 5.8541e-08  
a 3.00132815050081 3.1147e-08 au
q 2.447859205148771 1.8165e-07 au
i 3.935682525702275 5.1303e-06 deg
node 38.67918092697597 0.00010821 deg
peri 245.7883292502734 0.00010968 deg
M 277.4967913706997 1.8032e-05 deg
tp 2459035.748203857609
(2020-Jul-05.24820386)
9.7692e-05 TDB
period 1899.191025318404
5.20
2.9564e-05
8.094e-08
d
yr
n .1895543919494065 2.9508e-09 deg/d
Q 3.55479709585285 3.6891e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      9533 days (26.10 yr)  
   first obs. used      1993-03-19  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70931  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:11:03  

Additional Information
 Earth MOID = 1.4342 au 
 Jupiter MOID = 1.62412 au 
 T_jup = 3.223 
[ 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 16.5   n/a MPO433634  
diameter diameter 2.676 km 0.797 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249441 (2009 FL57)          Discovered 2009-Mar-26 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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