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109469 (2001 QK217)
Classification: Main-belt Asteroid          SPK-ID: 2109469
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .116276174349682 4.4496e-08  
a 2.654984186661877 1.7189e-08 au
q 2.346272782477932 1.1947e-07 au
i 14.3217719150644 8.8026e-06 deg
node 353.5244371735422 1.6821e-05 deg
peri 289.8129007542165 4.1061e-05 deg
M 172.3587264676794 3.5706e-05 deg
tp 2458243.977044253408
(2018-May-05.47704425)
0.0001568 TDB
period 1580.12460204528
4.33
1.5346e-05
4.202e-08
d
yr
n .2278301341134892 2.2126e-09 deg/d
Q 2.963695590845822 1.9188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      442  
   data-arc span      7145 days (19.56 yr)  
   first obs. used      2000-05-03  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55968  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:06:03  

Additional Information
 Earth MOID = 1.37503 au 
 Jupiter MOID = 2.33532 au 
 T_jup = 3.335 
[ 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 MPO453554  

109469 (2001 QK217)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QK217 = 2001 PM7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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