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187979 (2001 QK234)
Classification: Main-belt Asteroid          SPK-ID: 2187979
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2134482563338017 4.0664e-08  
a 2.401585159889993 1.1344e-08 au
q 1.88897099507434 9.6916e-08 au
i 4.058269522256329 5.1251e-06 deg
node 165.691091294716 7.7194e-05 deg
peri 151.6499046216209 7.9105e-05 deg
M 85.95518364905975 1.7531e-05 deg
tp 2458875.925059937655
(2020-Jan-27.42505994)
6.4879e-05 TDB
period 1359.394203606269
3.72
9.6319e-06
2.637e-08
d
yr
n .2648238450958331 1.8764e-09 deg/d
Q 2.914199324705647 1.3766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      7643 days (20.93 yr)  
   first obs. used      2000-02-12  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53817  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:35  

Additional Information
 Earth MOID = .874969 au 
 Jupiter MOID = 2.39935 au 
 T_jup = 3.491 
[ 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 16.97   n/a MPCxxxxx  

187979 (2001 QK234)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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