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(2009 FD)
Classification: Apollo [NEO]          SPK-ID: 3451788
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 55 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4930110187422082 4.9144e-08  
a 1.163144659930405 1.6821e-09 AU
q .5897015261935569 5.6718e-08 AU
i 3.136242738471078 6.1833e-06 deg
node 9.482690264814737 1.6477e-05 deg
peri 281.3015504166208 1.6372e-05 deg
M 150.372073510951 4.2653e-06 deg
tp 2456809.112437565721
(2014-May-31.61243757)
5.1186e-06 JED
period 458.1936051531711
1.25
9.9394e-07
2.721e-09
d
yr
n .7856940733156988 1.7044e-09 deg/d
Q 1.736587793667253 2.5114e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      277  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      1868 days (5.11 yr)  
   first obs. used      2009-02-24  
   last obs. used      2014-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .43267  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 12:35:13  

Additional Information
 Earth MOID = .00229078 AU 
 T_jup = 5.295 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.1 mag n/a MPO190679  
diameter diameter 0.472 km n/a Mainzer, A. et al. (2013) Astrophys. J.  
rotation period rot_per 4.0 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.01   n/a Mainzer, A. et al. (2013) Astrophys. J.  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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