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109631 (2001 QT326)
Classification: Main-belt Asteroid          SPK-ID: 2109631
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .150904632851137 5.5202e-08  
a 3.103807777598423 2.8677e-08 au
q 2.63542880447943 1.665e-07 au
i 12.29659933906354 5.0976e-06 deg
node 81.36670345901733 2.6356e-05 deg
peri 321.110809029269 3.2248e-05 deg
M 98.31163826074197 1.7306e-05 deg
tp 2458455.064896775377
(2018-Dec-02.56489678)
9.5848e-05 TDB
period 1997.287814898249
5.47
2.768e-05
7.578e-08
d
yr
n .1802444281263189 2.498e-09 deg/d
Q 3.572186750717417 3.3004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      487  
   data-arc span      6827 days (18.69 yr)  
   first obs. used      2001-08-11  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51601  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:07:02  

Additional Information
 Earth MOID = 1.65807 au 
 Jupiter MOID = 1.83718 au 
 T_jup = 3.168 
[ 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 MPO417562  

109631 (2001 QT326)          Discovered 2001-Aug-23 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QT326 = 2001 RZ148 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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