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JPL Small-Body Database Browser
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32561 Waldron (2001 QE38)
Classification: Main-belt Asteroid          SPK-ID: 2032561
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1751313967321707 4.1791e-08  
a 2.599285654885152 1.2894e-08 au
q 2.144069127639221 1.1223e-07 au
i 3.115748834058186 5.0557e-06 deg
node 201.2187653737789 6.291e-05 deg
peri 205.7332734420545 6.4437e-05 deg
M 105.262876491531 1.3353e-05 deg
tp 2458552.939062617357
(2019-Mar-10.43906262)
5.5384e-05 TDB
period 1530.662497815311
4.19
1.1389e-05
3.118e-08
d
yr
n .2351922781892298 1.75e-09 deg/d
Q 3.054502182131084 1.5152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1128  
   data-arc span      9613 days (26.32 yr)  
   first obs. used      1993-10-10  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57062  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 02:48:09  

Additional Information
 Earth MOID = 1.15422 au 
 Jupiter MOID = 2.33263 au 
 T_jup = 3.392 
[ show covariance matrix ]

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 15.1   n/a MPO452628  

32561 Waldron           Discovered 2001 Aug. 16 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Melissa Waldron mentored a finalist in the 2016 Intel Science Talent Search, a science competition for high school seniors. She teaches at the Liberty High School, Bethlehem, Pennsylvania.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-04-22Last Updated: 2016-04-25

[ show close-approach data ]
Alternate Designations
 2001 QE38 = 1999 CP68 = 2000 HD96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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