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243443 (2009 FD18)
Classification: Main-belt Asteroid          SPK-ID: 2243443
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06839040111503594 3.9716e-08  
a 3.158007443982304 4.2907e-08 au
q 2.942030048164085 1.3006e-07 au
i 15.72295266593366 6.4444e-06 deg
node 163.8100497481747 2.2633e-05 deg
peri 313.6701748606969 6.4719e-05 deg
M 55.30498180654074 5.9349e-05 deg
tp 2458685.594747930720
(2019-Jul-21.09474793)
0.00033755 TDB
period 2049.83144450711
5.61
4.1776e-05
1.144e-07
d
yr
n .1756241963038885 3.5792e-09 deg/d
Q 3.373984839800524 4.5841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      6665 days (18.25 yr)  
   first obs. used      2001-10-26  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51581  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:21:02  

Additional Information
 Earth MOID = 1.97744 au 
 Jupiter MOID = 1.68605 au 
 T_jup = 3.144 
[ 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 15.7   n/a MPO418301  
diameter diameter 5.275 km 0.442 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.030   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243443 (2009 FD18)          Discovered 2009-Mar-18 by La Sagra at La Sagra
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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