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109443 (2001 QC201)
Classification: Main-belt Asteroid          SPK-ID: 2109443
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1641634508208326 3.9696e-08  
a 2.565432641303449 1.5251e-08 au
q 2.144282366058671 1.0747e-07 au
i 12.26599963001589 8.5009e-06 deg
node 352.9000871476929 1.556e-05 deg
peri 71.98845521238256 3.4293e-05 deg
M 179.3156467855298 3.0705e-05 deg
tp 2458252.924538837737
(2018-May-14.42453884)		 0.0001245 TDB
period 1500.857124533609
4.11		 1.3384e-05
3.664e-08		 d
yr
n .239862938393866 2.1389e-09 deg/d
Q 2.986582916548226 1.7755e-08 au
   Orbit Determination Parameters
   # obs. used (total)      944  
   data-arc span      7322 days (20.05 yr)  
   first obs. used      1999-04-11  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .549  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:50:38  

Additional Information
 Earth MOID = 1.19251 au 
 Jupiter MOID = 2.43639 au 
 T_jup = 3.382 
[ 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 15.0   n/a MPO338040  
diameter diameter 2.213 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.434   0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109443 (2001 QC201)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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