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JPL Small-Body Database Browser
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160887 (2001 QD223)
Classification: Outer Main-belt Asteroid          SPK-ID: 2160887
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441681167325227 7.0299e-08  
a 3.241954796980064 2.4597e-08 au
q 2.77456827936748 2.2496e-07 au
i 1.018505368526139 7.0634e-06 deg
node 352.4798375342025 0.00025335 deg
peri 359.1899811964408 0.00025386 deg
M 57.04844908377067 1.5682e-05 deg
tp 2458662.629557182347
(2019-Jun-28.12955718)		 9.2814e-05 TDB
period 2132.106330108067
5.84		 2.4265e-05
6.643e-08		 d
yr
n .1688471137280256 1.9216e-09 deg/d
Q 3.709341314592647 2.8143e-08 au
   Orbit Determination Parameters
   # obs. used (total)      468  
   data-arc span      8460 days (23.16 yr)  
   first obs. used      1996-11-08  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58367  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 20:34:27  

Additional Information
 Earth MOID = 1.76895 au 
 Jupiter MOID = 1.72136 au 
 T_jup = 3.167 
[ 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 15.2   n/a MPO502933  

160887 (2001 QD223)          Discovered 2001-Aug-24 by LONEOS at Anderson Mesa
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 2001 QD223 = 1996 VH20 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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