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165780 (2001 QP279)
Classification: Main-belt Asteroid          SPK-ID: 2165780
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1406581945326475 6.0142e-08  
a 3.155840377337078 2.5987e-08 au
q 2.711945567627615 1.8946e-07 au
i 16.29469255318085 6.498e-06 deg
node 2.878414396620124 1.4573e-05 deg
peri 321.4914194673664 2.2428e-05 deg
M 170.6189967952447 1.8376e-05 deg
tp 2458229.999300311743
(2018-Apr-21.49930031)
0.00010392 TDB
period 2047.721874177084
5.61
2.5293e-05
6.925e-08
d
yr
n .1758051249731719 2.1715e-09 deg/d
Q 3.59973518704654 2.9642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      686  
   data-arc span      7145 days (19.56 yr)  
   first obs. used      2001-08-19  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52937  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:24:37  

Additional Information
 Earth MOID = 1.7197 au 
 Jupiter MOID = 1.8833 au 
 T_jup = 3.129 
[ 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 14.4   n/a MPO454117  

165780 (2001 QP279)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20071026/Numbers.arcLast Updated: 2007-10-28

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