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227194 (2005 QE72)
Classification: Main-belt Asteroid          SPK-ID: 2227194
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2004647499358632 3.7278e-08  
a 2.358853211628491 1.1549e-08 au
q 1.885986292423978 9.1047e-08 au
i .7989157827405921 4.2621e-06 deg
node 319.3025013120401 0.00042459 deg
peri 344.729840257079 0.00042485 deg
M 107.8826338324302 1.6661e-05 deg
tp 2458803.949190248060
(2019-Nov-16.44919025)
5.9933e-05 TDB
period 1323.27406589312
3.62
9.718e-06
2.661e-08
d
yr
n .27205248653991 1.9979e-09 deg/d
Q 2.831720130833004 1.3864e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      7621 days (20.87 yr)  
   first obs. used      2000-02-04  
   last obs. used      2020-12-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57681  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:48  

Additional Information
 Earth MOID = .868786 au 
 Jupiter MOID = 2.40653 au 
 T_jup = 3.525 
[ 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 17.1   n/a MPO433487  

227194 (2005 QE72)          Discovered 2005-Aug-29 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 QE72 = 2004 FC165 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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