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109168 (2001 QE64)
Classification: Main-belt Asteroid          SPK-ID: 2109168
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .147709595754002 3.363e-08  
a 2.648732411964217 1.3708e-08 au
q 2.25748921813246 8.8057e-08 au
i 13.71660073891376 5.5034e-06 deg
node 173.5591990621648 1.4786e-05 deg
peri 115.3358667242129 2.4443e-05 deg
M 176.1748880587036 1.9508e-05 deg
tp 2458229.956681024043
(2018-Apr-21.45668102)
8.3229e-05 TDB
period 1574.546735281098
4.31
1.2223e-05
3.346e-08
d
yr
n .2286372274213445 1.7749e-09 deg/d
Q 3.039975605795974 1.5733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      637  
   data-arc span      7229 days (19.79 yr)  
   first obs. used      2000-04-14  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55662  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:20:26  

Additional Information
 Earth MOID = 1.28054 au 
 Jupiter MOID = 2.28997 au 
 T_jup = 3.336 
[ 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 15.5   n/a MPO502754  

109168 (2001 QE64)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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