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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1893955404253807 4.2922e-08  
a 2.293505569018205 7.83e-09 au
q 1.859125842305382 9.9038e-08 au
i 7.138185775991061 5.0889e-06 deg
node 345.8869961897811 2.6691e-05 deg
peri 328.9640282760432 2.8634e-05 deg
M 2.685917142485481 1.2105e-05 deg
tp 2458991.034616040002
(2020-May-21.53461604)
4.2636e-05 TDB
period 1268.668408157204
3.47
6.4968e-06
1.779e-08
d
yr
n .2837620907758834 1.4531e-09 deg/d
Q 2.727885295731028 9.313e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1535  
   data-arc span      15871 days (43.45 yr)  
   first obs. used      1977-02-19  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50561  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:36:40  

Additional Information
 Earth MOID = .850026 au 
 Jupiter MOID = 2.57833 au 
 T_jup = 3.562 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456351.5 (2013-Feb-28.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1894332412080434 4.2795e-08  
q 1.858942375114697 9.8745e-08 au
tp 2456452.259926723865
(2013-Jun-08.75992672)
3.7639e-05 TDB
node 345.9709690737074 2.6735e-05 deg
peri 328.5671613849833 2.8666e-05 deg
i 7.133430541330525 5.0842e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1535  
   data-arc span      15871 days (43.45 yr)  
   first obs. used      1977-02-19  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50561  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:36:40  

Additional Information
 Jupiter MOID = 2.57833 au 
 T_jup = 3.562 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.831452366579338E-15 -4.217328784843377E-15 6.020824830619118E-13 6.148376726031772E-15 1.578279260363345E-13 1.116342920691855E-15
q -4.217328784843377E-15 9.750641032738098E-15 -1.321464588168076E-12 -1.487437245336137E-14 -3.480715211003469E-13 -2.306754682714039E-15
tp 6.020824830619118E-13 -1.321464588168076E-12 1.416702506124813E-9 -4.723938754908759E-12 3.96082512587802E-10 1.354317159512553E-12
node 6.148376726031772E-15 -1.487437245336137E-14 -4.723938754908759E-12 7.147594334567321E-10 -7.098722697290685E-10 -7.890960453149684E-12
peri 1.578279260363345E-13 -3.480715211003469E-13 3.96082512587802E-10 -7.098722697290685E-10 8.217424820326345E-10 8.118319209238807E-12
i 1.116342920691855E-15 -2.306754682714039E-15 1.354317159512553E-12 -7.890960453149684E-12 8.118319209238807E-12 2.584904615113603E-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

[ show close-approach data ]
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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