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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09630227049475225 1.7099e-08  
a 2.42524300429053 8.7792e-09 au
q 2.191686596475838 4.3836e-08 au
i 6.313298723107709 7.8073e-07 deg
node 34.70375905796268 4.5194e-06 deg
peri 144.8285509589156 1.1095e-05 deg
M 35.03191424096098 1.1827e-05 deg
tp 2459066.256679487785
(2020-Aug-04.75667949)
4.5218e-05 TDB
period 1379.530534699995
3.78
7.4907e-06
2.051e-08
d
yr
n .2609583412217032 1.417e-09 deg/d
Q 2.658799412105223 9.6247e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1989  
   data-arc span      11553 days (31.63 yr)  
   first obs. used      1988-11-04  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4702  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:02:00  

Additional Information
 Earth MOID = 1.19683 au 
 Jupiter MOID = 2.30066 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 13.89   n/a E2021B10  
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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