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JPL Small-Body Database Browser
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249438 (2009 FT45)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249438
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1604462729513807 5.2272e-08  
a 3.210690641683801 4.505e-08 au
q 2.695547294625758 1.7504e-07 au
i 18.87761716115855 7.4208e-06 deg
node 85.69162436166029 2.3548e-05 deg
peri 69.84822053125053 3.8525e-05 deg
M 298.1198054985901 2.7609e-05 deg
tp 2458961.697960565515
(2020-Apr-22.19796057)		 0.00016209 TDB
period 2101.338996286168
5.75		 4.4227e-05
1.211e-07		 d
yr
n .1713193352601609 3.6058e-09 deg/d
Q 3.725833988741844 5.2278e-08 au
   Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      6592 days (18.05 yr)  
   first obs. used      2001-11-19  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61347  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:44:52  

Additional Information
 Earth MOID = 1.77525 au 
 Jupiter MOID = 1.70323 au 
 T_jup = 3.088 
[ 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 15.1   n/a MPO418332  
diameter diameter 6.716 km 0.670 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249438 (2009 FT45)          Discovered 2009-Mar-30 by Durig, D. T. at Cordell-Lorenz
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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