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193890 (2001 QK215)
Classification: Main-belt Asteroid          SPK-ID: 2193890
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 .1849037913109563 9.5457e-08  
a 2.295196829391054 1.3288e-08 au
q 1.870806233831762 2.1372e-07 au
i 3.901931675110933 5.8584e-06 deg
node 149.2172309153982 7.6941e-05 deg
peri 207.9002865422005 7.7966e-05 deg
M 133.3819101829355 1.3406e-05 deg
tp 2458529.931597766003
(2019-Feb-15.43159777)
4.5024e-05 TDB
period 1270.071965320469
3.48
1.1029e-05
3.02e-08
d
yr
n .2834485051476305 2.4615e-09 deg/d
Q 2.719587424950347 1.5745e-08 au
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      9304 days (25.47 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:11:09  

Additional Information
 Earth MOID = .867484 au 
 Jupiter MOID = 2.72324 au 
 T_jup = 3.569 
[ 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 16.9   n/a MPO352190  

193890 (2001 QK215)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 2001 QK215 = 1994 PD16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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