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531317 (2012 QN)
Classification: Main-belt Asteroid          SPK-ID: 2531317
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1802738723606593 2.1786e-07  
a 3.107024651403413 6.1895e-08 au
q 2.546909285974892 6.5862e-07 au
i 16.43551085290609 1.3006e-05 deg
node 207.473956875886 4.0524e-05 deg
peri 191.407315109109 7.1528e-05 deg
M 146.3671192549028 4.4117e-05 deg
tp 2458387.189273917323
(2018-Sep-25.68927392)
0.00024134 TDB
period 2000.393687327123
5.48
5.9775e-05
1.637e-07
d
yr
n .1799645751137233 5.3776e-09 deg/d
Q 3.667140016831934 7.3053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      4602 days (12.60 yr)  
   first obs. used      2007-09-13  
   last obs. used      2020-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61345  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 19:49:30  

Additional Information
 Earth MOID = 1.55477 au 
 Jupiter MOID = 1.77626 au 
 T_jup = 3.133 
[ 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 16.34   n/a E2021B25  

531317 (2012 QN)          Discovered 2007-Sep-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-05-29

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