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434474 (2005 QD117)
Classification: Outer Main-belt Asteroid          SPK-ID: 2434474
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .186698187001824 1.3648e-07  
a 3.213278519328703 6.6951e-08 au
q 2.613365245438128 4.0492e-07 au
i .5936021928797206 1.3601e-05 deg
node 55.37413118775559 0.0010606 deg
peri 260.6797009984907 0.0010624 deg
M 215.6000128195391 6.669e-05 deg
tp 2459844.389604372411
(2022-Sep-21.88960437)
0.00041204 TDB
period 2103.880086875629
5.76
6.5754e-05
1.8e-07
d
yr
n .1711124137947513 5.3479e-09 deg/d
Q 3.813191793219277 7.9451e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      5286 days (14.47 yr)  
   first obs. used      2005-07-30  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57964  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 09:48:43  

Additional Information
 Earth MOID = 1.59988 au 
 Jupiter MOID = 1.49081 au 
 T_jup = 3.163 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457242.5 (2015-Aug-08.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1852939214546122 1.3643e-07  
q 2.618020502165412 4.0407e-07 au
tp 2457739.261663949453
(2016-Dec-16.76166395)
0.00036035 TDB
node 55.39112491916596 0.0010591 deg
peri 260.6351765304859 0.001061 deg
i .5941829513489344 1.3604e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      5286 days (14.47 yr)  
   first obs. used      2005-07-30  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57964  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 09:48:43  

Additional Information
 Jupiter MOID = 1.49081 au 
 T_jup = 3.163 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.861214050285511E-14 -5.483939300013895E-14 3.482174866802442E-11 8.55873687751262E-14 5.046994132969007E-12 -6.266630947140709E-15
q -5.483939300013895E-14 1.632724028308095E-13 -9.595315719910454E-11 -4.81514300298696E-13 -1.341236057423808E-11 2.092662263013821E-14
tp 3.482174866802442E-11 -9.595315719910454E-11 1.298506923918227E-7 -2.807013517327737E-10 2.257735916537173E-8 -1.219690145647163E-11
node 8.55873687751262E-14 -4.81514300298696E-13 -2.807013517327737E-10 1.121733875991189E-6 -1.121741609740536E-6 -1.023266250213943E-8
peri 5.046994132969007E-12 -1.341236057423808E-11 2.257735916537173E-8 -1.121741609740536E-6 1.125700482858263E-6 1.023037059798994E-8
i -6.266630947140709E-15 2.092662263013821E-14 -1.219690145647163E-11 -1.023266250213943E-8 1.023037059798994E-8 1.850598549378208E-10

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 16.6   n/a MPO437681  

434474 (2005 QD117)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

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