Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1918476482855421 3.2663e-08  
a 2.634205064459647 1.5736e-08 au
q 2.128839017741199 8.6116e-08 au
i 8.936867596097128 4.4591e-06 deg
node 77.2863160876547 3.376e-05 deg
peri 321.9780727576907 3.729e-05 deg
M 81.56685680881456 1.6313e-05 deg
tp 2458646.678659375410
(2019-Jun-12.17865938)
6.954e-05 TDB
period 1561.610776830714
4.28
1.3993e-05
3.831e-08
d
yr
n .2305311959556396 2.0657e-09 deg/d
Q 3.139571111178095 1.8755e-08 au
  Orbit Determination Parameters
   # obs. used (total)      462  
   data-arc span      6772 days (18.54 yr)  
   first obs. used      2001-07-20  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60225  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:10  

Additional Information
 Earth MOID = 1.14548 au 
 Jupiter MOID = 2.28246 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-15 08:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin