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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 112 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1869645380562341 1.5278e-08  
a 1.085394460316712 2.1226e-09 au
q .8824641864348027 1.6411e-08 au
i 62.1005666981859 3.9123e-06 deg
node .9906743406537033 4.5095e-06 deg
peri 104.9700387504457 1.1291e-05 deg
M 204.595926777661 1.5098e-05 deg
tp 2459574.795230137388
(2021-Dec-26.29523014)
1.7665e-05 TDB
period 413.0283172026474
1.13
1.2116e-06
3.317e-09
d
yr
n .8716109404754693 2.5567e-09 deg/d
Q 1.288324734198622 2.5194e-09 au
  Orbit Determination Parameters
   # obs. used (total)      503  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      6321 days (17.31 yr)  
   first obs. used      2003-08-24  
   last obs. used      2020-12-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50308  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-18 06:26:24  

Additional Information
 Earth MOID = .003443 au 
 Jupiter MOID = 3.83677 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 17.41   n/a E2021B55  
rotation period rot_per 3.679 h n/a LCDB (Rev. 2020-October); 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

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