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249442 (2009 FO57)
Classification: Main-belt Asteroid          SPK-ID: 2249442
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08668307429436484 6.3471e-08  
a 3.139517412186647 5.0893e-08 au
q 2.86737439109762 2.0954e-07 au
i 5.534819698109062 5.6977e-06 deg
node 169.9843741470627 7.5909e-05 deg
peri 68.44202817166077 8.4982e-05 deg
M 258.9383230213288 3.6795e-05 deg
tp 2459170.896393196054
(2020-Nov-17.39639320)
0.00021053 TDB
period 2031.85527580268
5.56
4.9406e-05
1.353e-07
d
yr
n .1771779733956606 4.3082e-09 deg/d
Q 3.411660433275674 5.5304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      8476 days (23.21 yr)  
   first obs. used      1995-11-21  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6188  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:11:27  

Additional Information
 Earth MOID = 1.86161 au 
 Jupiter MOID = 1.59867 au 
 T_jup = 3.198 
[ 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 15.9   n/a MPO427416  
diameter diameter 3.550 km 0.563 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249442 (2009 FO57)          Discovered 2009-Mar-19 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 FO57 = 2005 SZ159 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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