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143649 (2003 QQ47)
Classification: Apollo [NEO, PHA]          SPK-ID: 2143649
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 103 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1869518521468487 5.3132e-08  
a 1.085395346487331 2.9943e-09 au
q .8824786761499538 5.638e-08 au
i 62.09886421863792 2.8363e-05 deg
node .9918442586530584 6.8425e-06 deg
peri 104.9752902317606 2.034e-05 deg
M 219.4220682194778 1.9377e-05 deg
tp 2459161.785382519648
(2020-Nov-08.28538252)
2.2512e-05 TDB
period 413.0288230283828
1.13
1.7092e-06
4.68e-09
d
yr
n .8716098730360551 3.6068e-09 deg/d
Q 1.288312016824708 3.5541e-09 au
  Orbit Determination Parameters
   # obs. used (total)      472  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      6302 days (17.25 yr)  
   first obs. used      2003-08-24  
   last obs. used      2020-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49364  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-25 05:21:48  

Additional Information
 Earth MOID = .00264508 au 
 Jupiter MOID = 3.83848 au 
 T_jup = 5.214 
[ 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 17.4   n/a MPO270684  
rotation period rot_per 3.679 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, Brian D. (2014) Minor Planet Bull. 41, 213-224.]

143649 (2003 QQ47)          Discovered 2003-Aug-24 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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