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JPL Small-Body Database Browser
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146401 (2001 QK164)
Classification: Main-belt Asteroid          SPK-ID: 2146401
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1916519953813219 3.9673e-08  
a 2.633994483622276 2.1468e-08 au
q 2.129184185012673 1.117e-07 au
i 8.937339561787443 4.4733e-06 deg
node 77.28768916265352 4.0321e-05 deg
peri 322.0198151997864 4.4361e-05 deg
M 349.3305448960385 2.1436e-05 deg
tp 2458646.776495013401
(2019-Jun-12.27649501)
9.3342e-05 TDB
period 1561.423525615539
4.27
1.9089e-05
5.226e-08
d
yr
n .230558842040043 2.8187e-09 deg/d
Q 3.13880478223188 2.5582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      6227 days (17.05 yr)  
   first obs. used      2001-07-20  
   last obs. used      2018-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65192  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:40:22  

Additional Information
 Earth MOID = 1.14528 au 
 Jupiter MOID = 2.28153 au 
 T_jup = 3.355 
[ 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 16.0   n/a MPO453929  

146401 (2001 QK164)          Discovered 2001-Aug-21 by NEAT at Palomar
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 QK164 = 2001 PK30 = 2003 AV4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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