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20567 McQuarrie (1999 RS129)
Classification: Main-belt Asteroid          SPK-ID: 2020567
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1893955422397686 4.0409e-08  
a 2.293505568838171 5.568e-09 au
q 1.859125837998137 9.161e-08 au
i 7.138188475157057 4.7888e-06 deg
node 345.886973226629 2.2294e-05 deg
peri 328.9640512949625 2.4439e-05 deg
M 2.685917026654037 1.0472e-05 deg
tp 2458991.034616449316
(2020-May-21.53461645)
3.6894e-05 TDB
period 1268.668408007823
3.47
4.62e-06
1.265e-08
d
yr
n .2837620908092953 1.0333e-09 deg/d
Q 2.727885299678206 6.6226e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1827  
   data-arc span      15953 days (43.68 yr)  
   first obs. used      1977-02-19  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:02:03  

Additional Information
 Earth MOID = .850026 au 
 Jupiter MOID = 2.57833 au 
 T_jup = 3.562 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456865.5 (2014-Jul-27.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1891278656606064 4.0273e-08  
q 1.859776534303655 9.1207e-08 au
tp 2456452.376262926851
(2013-Jun-08.87626293)
3.5579e-05 TDB
node 345.9585096132356 2.2326e-05 deg
peri 328.6547704808996 2.4469e-05 deg
i 7.133793950984841 4.7841e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1827  
   data-arc span      15953 days (43.68 yr)  
   first obs. used      1977-02-19  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:02:03  

Additional Information
 Jupiter MOID = 2.57833 au 
 T_jup = 3.562 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.62187666627259E-15 -3.669005298067413E-15 7.825447977214239E-13 9.89122609379597E-15 1.873751793013753E-13 4.568645370592967E-18
q -3.669005298067413E-15 8.318755141282817E-15 -1.787388049527212E-12 -2.204088568811618E-14 -4.263632228345459E-13 4.476976727760174E-17
tp 7.825447977214239E-13 -1.787388049527212E-12 1.265837197885804E-9 6.463767929693407E-12 3.578106705715218E-10 -1.920968402502373E-13
node 9.89122609379597E-15 -2.204088568811618E-14 6.463767929693407E-12 4.984677894186259E-10 -4.926126340810327E-10 1.565140916039749E-11
peri 1.873751793013753E-13 -4.263632228345459E-13 3.578106705715218E-10 -4.926126340810327E-10 5.987231647283227E-10 -1.56425543715073E-11
i 4.568645370592967E-18 4.476976727760174E-17 -1.920968402502373E-13 1.565140916039749E-11 -1.56425543715073E-11 2.288715492730879E-11

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 14.7   n/a MPO474036  

20567 McQuarrie           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Kerry Ann McQuarrie mentored a finalist in the 2004 Discovery Channel Youth Science Challenge (DCYSC), a middle school science competition. She teaches at the Chapin School, Princeton, New Jersey.
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

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Alternate Designations
 1999 RS129 = 1977 DP5 = 1992 PU6 = 1998 FZ16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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