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JPL Small-Body Database Browser
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109110 (2001 QW38)
Classification: Main-belt Asteroid          SPK-ID: 2109110
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1380699475301621 4.8437e-08  
a 2.569052085652002 1.5216e-08 au
q 2.214343198983776 1.2475e-07 au
i 12.8941398938906 4.8519e-06 deg
node 124.4512904289947 2.2109e-05 deg
peri 133.0016512575161 2.685e-05 deg
M 154.5776200145838 1.578e-05 deg
tp 2457954.694251537341
(2017-Jul-20.19425154)		 6.4976e-05 TDB
period 1504.034474231281
4.12		 1.3362e-05
3.658e-08		 d
yr
n .239356215677169 2.1265e-09 deg/d
Q 2.923760972320227 1.7317e-08 au
   Orbit Determination Parameters
   # obs. used (total)      587  
   data-arc span      7216 days (19.76 yr)  
   first obs. used      2000-03-04  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57955  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:04:22  

Additional Information
 Earth MOID = 1.21884 au 
 Jupiter MOID = 2.23942 au 
 T_jup = 3.382 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO417558  

109110 (2001 QW38)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 QW38 = 2000 EU181 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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