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19517 Robertocarlos (1998 SK164)
Classification: Main-belt Asteroid          SPK-ID: 2019517
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1421623085193209 7.2833e-08  
a 2.664894379493699 2.3076e-08 AU
q 2.286046842544711 1.9828e-07 AU
i 7.553136392149316 7.2309e-06 deg
node 103.7079909734713 5.7699e-05 deg
peri 84.77422301481478 6.3594e-05 deg
M 335.5201851048905 2.6807e-05 deg
tp 2456508.549822294334
(2013-Aug-04.04982229)		 0.0001185 JED
period 1588.979989948014
4.35		 2.0639e-05
5.651e-08		 d
yr
n .2265604364292705 2.9428e-09 deg/d
Q 3.043741916442686 2.6357e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      897  
   data-arc span      20958 days (57.38 yr)  
   first obs. used      1955-11-24  
   last obs. used      2013-04-11  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .54579  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 14:22:52  

Additional Information
 Earth MOID = 1.30224 AU 
 T_jup = 3.357 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.00 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
diameter diameter 13.57 km 1.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
geometric albedo albedo 0.0605   0.015 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2

19517 Robertocarlos           Discovered 1998 Sept. 18 by E. W. Elst at the European Southern Observatory.
Roberto Carlos Braga (b. 1941) is one of the most popular Brazilian pop singers, focusing his entire career on romantic songs. The album A Janela (1972) contains the famous song A Montanha-Obrigado Senhor. In 1989 he was honored with a Grammy Award.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070601/MPCPages.arcLast Updated: 2007-06-06

[ show close-approach data ]
Alternate Designations
 1998 SK164 = 1970 GM2 = 1994 WD2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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