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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1380111169023484 4.798e-08  
a 2.568967032339098 1.504e-08 au
q 2.214421022920668 1.2387e-07 au
i 12.89579979817892 4.8477e-06 deg
node 124.4465284653473 2.1431e-05 deg
peri 133.1067485410716 2.6107e-05 deg
M 250.1904843548035 1.5853e-05 deg
tp 2459459.247487309287
(2021-Sep-01.74748731)		 6.749e-05 TDB
period 1503.959784004089
4.12		 1.3208e-05
3.616e-08		 d
yr
n .2393681026772863 2.1021e-09 deg/d
Q 2.923513041757528 1.7116e-08 au
   Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      7351 days (20.13 yr)  
   first obs. used      2000-03-04  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56735  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:01:13  

Additional Information
 Earth MOID = 1.21926 au 
 Jupiter MOID = 2.24033 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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