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109172 (2001 QT64)
Classification: Main-belt Asteroid          SPK-ID: 2109172
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 .2656876566844802 3.1122e-08  
a 2.705589851634826 1.1108e-08 au
q 1.986748024004658 8.6287e-08 au
i 4.888933702182077 4.3437e-06 deg
node 187.1523072373223 4.0732e-05 deg
peri 246.69038090 4.2302e-05 deg
M 22.25159598274067 8.0596e-06 deg
tp 2458900.026846384194
(2020-Feb-20.52684638)
3.6434e-05 TDB
period 1625.516449685032
4.45
1.0011e-05
2.741e-08
d
yr
n .2214680756197548 1.3639e-09 deg/d
Q 3.424431679264993 1.4059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      891  
   data-arc span      9989 days (27.35 yr)  
   first obs. used      1992-09-23  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45805  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:20:45  

Additional Information
 Earth MOID = 1.00754 au 
 Jupiter MOID = 1.89967 au 
 T_jup = 3.308 
[ 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 15.6   n/a MPO412770  

109172 (2001 QT64)          Discovered 2001-Aug-16 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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