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JPL Small-Body Database Browser
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19679 Gretabetteo (1999 RF179)
Classification: Main-belt Asteroid          SPK-ID: 2019679
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09645472295797471 3.6555e-08  
a 2.425629954196541 9.1853e-09 au
q 2.191666488965949 9.0985e-08 au
i 6.312933725716897 3.588e-06 deg
node 34.70589788279066 3.2372e-05 deg
peri 144.8220414649539 3.7262e-05 deg
M 342.847625039372 1.8609e-05 deg
tp 2459066.244133954406
(2020-Aug-04.74413395)
7.1336e-05 TDB
period 1379.86070604881
3.78
7.8378e-06
2.146e-08
d
yr
n .2608958994352765 1.4819e-09 deg/d
Q 2.659593419427133 1.0071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1717  
   data-arc span      11414 days (31.25 yr)  
   first obs. used      1988-11-04  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4852  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:53:59  

Additional Information
 Earth MOID = 1.19736 au 
 Jupiter MOID = 2.30092 au 
 T_jup = 3.496 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9   n/a MPO459002  
diameter diameter 3.791 km 0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.234   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19679 Gretabetteo           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Greta Betteo mentored a finalist in the 2003 Discovery Channel Youth Science Challenge, a middle school science competition. She teaches at the Notre Dame Elementary School, Belmont, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031010/MPCPages.arcLast Updated: 2003-10-10

Alternate Designations
 1999 RF179 = 1988 VR8 = 1998 KT20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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