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305899 (2009 FO31)
Classification: Main-belt Asteroid          SPK-ID: 2305899
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1476027136219739 1.0499e-07  
a 2.924570192870199 3.4145e-08 au
q 2.492895696224618 3.0543e-07 au
i 15.39871428728456 1.0818e-05 deg
node 328.1920100000124 2.8493e-05 deg
peri 225.9506483939023 3.8364e-05 deg
M 359.0426696387434 2.2945e-05 deg
tp 2458605.357925303499
(2019-May-01.85792530)
0.00011643 TDB
period 1826.802094696142
5.00
3.1992e-05
8.759e-08
d
yr
n .1970656816330617 3.4512e-09 deg/d
Q 3.35624468951578 3.9185e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      5558 days (15.22 yr)  
   first obs. used      2004-03-14  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59843  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:55:09  

Additional Information
 Earth MOID = 1.52079 au 
 Jupiter MOID = 1.7383 au 
 T_jup = 3.209 
[ 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 15.5   n/a MPO433971  
diameter diameter 5.157 km 0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

305899 (2009 FO31)          Discovered 2009-Mar-28 by Lowe, A. at Mayhill
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 FO31 = 2004 EW37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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