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JPL Small-Body Database Browser
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109444 (2001 QG201)
Classification: Main-belt Asteroid          SPK-ID: 2109444
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09995673281232098 4.5518e-08  
a 3.117386073449488 3.1541e-08 au
q 2.805782346632848 1.4045e-07 au
i 4.182987865119101 5.1786e-06 deg
node 251.9103232114708 7.4136e-05 deg
peri 2.749374136380932 7.9007e-05 deg
M 161.4906505073304 2.7069e-05 deg
tp 2457698.660617941710
(2016-Nov-06.16061794)		 0.00015161 TDB
period 2010.408506752825
5.50		 3.0511e-05
8.353e-08		 d
yr
n .1790680843175825 2.7176e-09 deg/d
Q 3.428989800266129 3.4694e-08 au
   Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      8615 days (23.59 yr)  
   first obs. used      1995-06-03  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57913  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:42:59  

Additional Information
 Earth MOID = 1.79078 au 
 Jupiter MOID = 1.61464 au 
 T_jup = 3.205 
[ 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 MPO333679  
diameter diameter 5.364 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109444 (2001 QG201)          Discovered 2001-Aug-22 by Spacewatch at Kitt Peak
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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