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109188 (2001 QE72)
Classification: Main-belt Asteroid          SPK-ID: 2109188
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .261190031890562 4.7451e-08  
a 2.879703039037628 1.964e-08 au
q 2.127553310436042 1.375e-07 au
i 3.952169964343394 6.8009e-06 deg
node 25.51502766140235 6.1255e-05 deg
peri 313.8329663310775 6.2949e-05 deg
M 31.79375363682873 1.8856e-05 deg
tp 2459238.862591056922
(2021-Jan-24.36259106)
9.2204e-05 TDB
period 1784.925047471321
4.89
1.826e-05
4.999e-08
d
yr
n .2016891412387355 2.0633e-09 deg/d
Q 3.631852767639214 2.4769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      8252 days (22.59 yr)  
   first obs. used      1996-10-06  
   last obs. used      2019-05-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54664  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:14:26  

Additional Information
 Earth MOID = 1.12053 au 
 Jupiter MOID = 1.78164 au 
 T_jup = 3.240 
[ 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 15.36   n/a MPCxxxxx  

109188 (2001 QE72)          Discovered 2001-Aug-21 by Yeung, W. K. Y. at Desert Eagle
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 2001 QE72 = 1996 TW61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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