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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1750255775245296 5.3175e-08  
a 2.599746697452166 1.5567e-08 au
q 2.144724530313113 1.4558e-07 au
i 3.115620579686378 5.6943e-06 deg
node 201.2288105103441 6.3266e-05 deg
peri 205.8098232846119 6.479e-05 deg
M 11.13255937526059 1.3748e-05 deg
tp 2458553.153541552793
(2019-Mar-10.65354155)
5.8264e-05 TDB
period 1531.069762706337
4.19
1.3752e-05
3.765e-08
d
yr
n .2351297169919023 2.1119e-09 deg/d
Q 3.05476886459122 1.8292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1030  
   data-arc span      9201 days (25.19 yr)  
   first obs. used      1993-10-10  
   last obs. used      2018-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58353  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:32:27  

Additional Information
 Earth MOID = 1.15438 au 
 Jupiter MOID = 2.33096 au 
 T_jup = 3.391 
[ 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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