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226744 (2004 RA19)
Classification: Main-belt Asteroid          SPK-ID: 2226744
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1321419992670765 4.3804e-08  
a 2.736823075149037 2.2403e-08 au
q 2.375173802358575 1.2066e-07 au
i 6.061700836735125 5.7367e-06 deg
node 228.7412473379645 5.1125e-05 deg
peri 195.964964130878 5.5859e-05 deg
M 17.3864801448928 2.1994e-05 deg
tp 2458520.631104369952
(2019-Feb-06.13110437)
0.00010097 TDB
period 1653.744874592308
4.53
2.0305e-05
5.559e-08
d
yr
n .2176877495017177 2.6729e-09 deg/d
Q 3.098472347939499 2.5363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      6641 days (18.18 yr)  
   first obs. used      2000-11-21  
   last obs. used      2019-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57345  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:48:14  

Additional Information
 Earth MOID = 1.38881 au 
 Jupiter MOID = 2.21156 au 
 T_jup = 3.331 
[ 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 16.2   n/a MPO268233  
diameter diameter 2.317 km 0.448 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.131   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226744 (2004 RA19)          Discovered 2004-Sep-07 by Goodricke-Pigott at Goodricke-Pigott
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 RA19 = 2000 WV197 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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