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109475 (2001 QL219)
Classification: Main-belt Asteroid          SPK-ID: 2109475
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04367856813074633 6.2631e-08  
a 2.548918897881312 1.4428e-08 au
q 2.437585770140456 1.6048e-07 au
i 7.160854987000767 6.1118e-06 deg
node 22.38253638884025 3.8803e-05 deg
peri 298.547571561792 9.0716e-05 deg
M 294.8559428952649 8.4768e-05 deg
tp 2459269.470564465168
(2021-Feb-23.97056447)
0.00034962 TDB
period 1486.388897329241
4.07
1.2621e-05
3.455e-08
d
yr
n .2421977186770244 2.0565e-09 deg/d
Q 2.660252025622167 1.5059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      10716 days (29.34 yr)  
   first obs. used      1991-04-09  
   last obs. used      2020-08-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5268  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:11:50  

Additional Information
 Earth MOID = 1.43542 au 
 Jupiter MOID = 2.46285 au 
 T_jup = 3.429 
[ 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 14.9   n/a MPO338040  
diameter diameter 4.801 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.101   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109475 (2001 QL219)          Discovered 2001-Aug-23 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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