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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04347919881763848 7.5735e-08  
a 2.548261338125889 1.5212e-08 au
q 2.437464976766212 1.9156e-07 au
i 7.161801594832294 6.3553e-06 deg
node 22.38939531128261 3.9678e-05 deg
peri 298.9851662947496 9.9876e-05 deg
M 197.4783815015472 9.6319e-05 deg
tp 2459271.269045391778
(2021-Feb-25.76904539)		 0.00039737 TDB
period 1485.813755561012
4.07		 1.3305e-05
3.643e-08		 d
yr
n .2422914706857534 2.1696e-09 deg/d
Q 2.659057699485566 1.5874e-08 au
   Orbit Determination Parameters
   # obs. used (total)      912  
   data-arc span      10256 days (28.08 yr)  
   first obs. used      1991-04-09  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53196  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:46:32  

Additional Information
 Earth MOID = 1.43443 au 
 Jupiter MOID = 2.46481 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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