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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08662669222514539 5.8267e-08  
a 3.138264541057019 3.8857e-08 au
q 2.866407064537785 2.0326e-07 au
i 5.535881233147935 5.5238e-06 deg
node 169.9820039281404 5.3805e-05 deg
peri 68.71810634716857 6.5744e-05 deg
M 329.5657001942783 3.4336e-05 deg
tp 2459172.169667229410
(2020-Nov-18.66966723)
0.00019372 TDB
period 2030.639134039441
5.56
3.7714e-05
1.033e-07
d
yr
n .1772840845846753 3.2926e-09 deg/d
Q 3.410122017576252 4.2223e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      8952 days (24.51 yr)  
   first obs. used      1995-11-21  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60143  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:17:50  

Additional Information
 Earth MOID = 1.86069 au 
 Jupiter MOID = 1.60012 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 15.8   n/a MPO470661  
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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