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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1203939105614958 7.6892e-08  
a 2.88666660651914 2.4553e-08 au
q 2.539129525273018 2.2624e-07 au
i 6.228728151587328 7.8731e-06 deg
node 355.5528661685315 4.9693e-05 deg
peri 11.24348158386615 5.4338e-05 deg
M 282.4325793641744 2.2959e-05 deg
tp 2459386.484814130852
(2021-Jun-20.98481413)
0.00011657 TDB
period 1791.403297261746
4.90
2.2856e-05
6.258e-08
d
yr
n .2009597730172088 2.564e-09 deg/d
Q 3.234203687765262 2.7509e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64952  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:18:13  

Additional Information
 Earth MOID = 1.53783 au 
 Jupiter MOID = 2.22549 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 16.3   n/a MPO436862  

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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