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226420 (2003 RF7)
Classification: Main-belt Asteroid          SPK-ID: 2226420
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0659075197766842 4.2129e-08  
a 3.119650561428807 3.1235e-08 au
q 2.914042130355094 1.3244e-07 au
i 21.4775991766466 5.059e-06 deg
node 202.2226661526787 1.2718e-05 deg
peri 100.1600865281008 4.2255e-05 deg
M 72.28101426570113 3.8342e-05 deg
tp 2458596.409081805014
(2019-Apr-22.90908181)		 0.00021569 TDB
period 2012.599463746386
5.51		 3.0226e-05
8.275e-08		 d
yr
n .1788731471337432 2.6864e-09 deg/d
Q 3.32525899250252 3.3294e-08 au
   Orbit Determination Parameters
   # obs. used (total)      392  
   data-arc span      5897 days (16.15 yr)  
   first obs. used      2003-09-04  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56589  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:52:23  

Additional Information
 Earth MOID = 1.98917 au 
 Jupiter MOID = 1.86849 au 
 T_jup = 3.106 
[ 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 MPO450050  
diameter diameter 4.576 km 0.504 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226420 (2003 RF7)          Discovered 2003-Sep-04 by CINEOS at Campo Imperatore
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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