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109338 (2001 QW147)
Classification: Main-belt Asteroid          SPK-ID: 2109338
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0939825757210429 4.1994e-08  
a 2.675594767367416 1.9644e-08 au
q 2.424135479544482 1.142e-07 au
i 14.93002504492184 4.8663e-06 deg
node 126.2357263270268 1.7153e-05 deg
peri 262.0623617310109 3.0259e-05 deg
M 97.34832158698676 2.5269e-05 deg
tp 2458568.230194049499
(2019-Mar-25.73019405)		 0.00011124 TDB
period 1598.559971094384
4.38		 1.7604e-05
4.82e-08		 d
yr
n .2252026864863517 2.4801e-09 deg/d
Q 2.92705405519035 2.149e-08 au
   Orbit Determination Parameters
   # obs. used (total)      693  
   data-arc span      6739 days (18.45 yr)  
   first obs. used      2001-08-20  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:23:49  

Additional Information
 Earth MOID = 1.47961 au 
 Jupiter MOID = 2.475 au 
 T_jup = 3.324 
[ 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 15.2   n/a MPO417560  

109338 (2001 QW147)          Discovered 2001-Aug-20 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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