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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .148521317538154 9.3854e-08  
a 2.927699825609074 3.3182e-08 au
q 2.492873990153391 2.6915e-07 au
i 15.40522790383171 9.3501e-06 deg
node 328.136705546821 2.4875e-05 deg
peri 226.2232046470712 3.6129e-05 deg
M 77.55231921164389 2.2749e-05 deg
tp 2458606.332750956972
(2019-May-02.83275096)
0.00011576 TDB
period 1829.735217437375
5.01
3.1107e-05
8.517e-08
d
yr
n .1967497791861906 3.3449e-09 deg/d
Q 3.362525661064758 3.8111e-08 au
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      5937 days (16.25 yr)  
   first obs. used      2004-03-14  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59624  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:22:46  

Additional Information
 Earth MOID = 1.52061 au 
 Jupiter MOID = 1.73249 au 
 T_jup = 3.208 
[ 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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