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20576 Marieoertle (1999 RG148)
Classification: Main-belt Asteroid          SPK-ID: 2020576
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06300622311447654 3.5422e-08  
a 2.248246779202423 7.0459e-09 au
q 2.106593241015591 7.9397e-08 au
i 4.435469722977254 3.8219e-06 deg
node 304.0408629169459 4.8613e-05 deg
peri 192.8258185529236 5.6697e-05 deg
M 319.1403514715573 2.9473e-05 deg
tp 2459340.251514326072
(2021-May-05.75151433)
0.00010092 TDB
period 1231.301466589086
3.37
5.7882e-06
1.585e-08
d
yr
n .2923735655064727 1.3744e-09 deg/d
Q 2.389900317389254 7.4898e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1398  
   data-arc span      8862 days (24.26 yr)  
   first obs. used      1996-11-13  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5298  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:24:10  

Additional Information
 Earth MOID = 1.12044 au 
 Jupiter MOID = 2.61986 au 
 T_jup = 3.623 
[ 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 15.14   n/a E2021B10  

20576 Marieoertle           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Marie Oertle mentored a finalist in the 2004 Discovery Channel Youth Science Challenge (DCYSC), a middle school science competition. She teaches at the Harelson Elementary School, Tucson, Arizona.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041028/MPCPages.arcLast Updated: 2004-10-29

Alternate Designations
 1999 RG148 = 1998 FA117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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