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JPL Small-Body Database Browser
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109384 (2001 QJ166)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109384
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02462109993723068 4.9117e-08  
a 3.241463177301261 3.5649e-08 au
q 3.161654788470073 1.508e-07 au
i 4.547773452210614 4.6847e-06 deg
node 51.92304270680207 6.0508e-05 deg
peri 150.4792389990721 0.00010735 deg
M 133.0651213018013 8.9366e-05 deg
tp 2457812.598732840860
(2017-Feb-28.09873284)
0.00052807 TDB
period 2131.621370065597
5.84
3.5164e-05
9.627e-08
d
yr
n .1688855277280888 2.786e-09 deg/d
Q 3.321271566132448 3.6526e-08 au
  Orbit Determination Parameters
   # obs. used (total)      570  
   data-arc span      6645 days (18.19 yr)  
   first obs. used      2001-08-19  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55794  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:51:48  

Additional Information
 Earth MOID = 2.15774 au 
 Jupiter MOID = 1.63812 au 
 T_jup = 3.178 
[ 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 14.7   n/a MPO453553  
diameter diameter 6.674 km 0.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109384 (2001 QJ166)          Discovered 2001-Aug-24 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QJ166 = 2003 YB80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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