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173718 (2001 QA153)
Classification: Main-belt Asteroid          SPK-ID: 2173718
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .119708312143826 7.7116e-08  
a 2.886180298445653 2.5284e-08 au
q 2.54068052637596 2.2583e-07 au
i 6.232657016562749 7.8771e-06 deg
node 355.4894171426743 4.963e-05 deg
peri 11.18855264336851 5.4303e-05 deg
M 322.6680013925973 2.3245e-05 deg
tp 2459386.221573175871
(2021-Jun-20.72157318)
0.00011682 TDB
period 1790.950627809556
4.90
2.3534e-05
6.443e-08
d
yr
n .2010105663495048 2.6414e-09 deg/d
Q 3.231680070515346 2.8311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      7756 days (21.23 yr)  
   first obs. used      1999-03-22  
   last obs. used      2020-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64949  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:58:13  

Additional Information
 Earth MOID = 1.53777 au 
 Jupiter MOID = 2.22852 au 
 T_jup = 3.273 
[ 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 16.32   n/a E2021B55  

173718 (2001 QA153)          Discovered 2001-Aug-27 by Kusnirak, P. at Ondrejov
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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