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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1321367202769739 3.9243e-08  
a 2.735982620551673 1.9407e-08 au
q 2.374458850337175 1.0286e-07 au
i 6.061709069940235 4.9495e-06 deg
node 228.7333604562026 5.0836e-05 deg
peri 195.8250594947793 5.5571e-05 deg
M 104.617211336176 2.1873e-05 deg
tp 2458520.137532567043
(2019-Feb-05.63753257)
0.00010024 TDB
period 1652.983157046417
4.53
1.7587e-05
4.815e-08
d
yr
n .217788063033416 2.3172e-09 deg/d
Q 3.097506390766172 2.1971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      7096 days (19.43 yr)  
   first obs. used      2000-11-21  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54759  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:29:15  

Additional Information
 Earth MOID = 1.38838 au 
 Jupiter MOID = 2.21295 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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