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379160 (2009 QA17)
Classification: Main-belt Asteroid          SPK-ID: 2379160
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 .2152665364283247 5.738e-08  
a 2.396168306721479 2.9446e-08 au
q 1.880353454634222 1.4738e-07 au
i 2.34021515351589 7.6788e-06 deg
node 177.7112767392765 0.00019724 deg
peri 152.4899024223381 0.0001985 deg
M 332.3799924747439 2.8736e-05 deg
tp 2459104.443107898238
(2020-Sep-11.94310790)
0.00010947 TDB
period 1354.797561483237
3.71
2.4973e-05
6.837e-08
d
yr
n .2657223560440061 4.8981e-09 deg/d
Q 2.911983158808735 3.5785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      7414 days (20.30 yr)  
   first obs. used      1998-10-18  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56927  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:25:30  

Additional Information
 Earth MOID = .869897 au 
 Jupiter MOID = 2.4514 au 
 T_jup = 3.496 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456733.5 (2014-Mar-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2137645117973904 5.7086e-08  
q 1.884131663625827 1.4641e-07 au
tp 2456393.854246634254
(2013-Apr-11.35424663)
8.434e-05 TDB
node 177.8758901970257 0.00019801 deg
peri 152.0952485978376 0.00019929 deg
i 2.333785633482097 7.6675e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      7414 days (20.30 yr)  
   first obs. used      1998-10-18  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56927  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:25:30  

Additional Information
 Jupiter MOID = 2.4514 au 
 T_jup = 3.496 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.258833994895429E-15 -8.26620446589496E-15 3.602065844850772E-13 1.786052003807241E-14 6.794610226459093E-14 -5.519869657146167E-16
q -8.26620446589496E-15 2.143456804956709E-14 -2.107659872811448E-13 -2.286554246507016E-14 2.715078841271062E-14 3.282873642034457E-15
tp 3.602065844850772E-13 -2.107659872811448E-13 7.113178958809829E-9 1.057336211211759E-10 1.96762096209785E-9 6.926971174281335E-12
node 1.786052003807241E-14 -2.286554246507016E-14 1.057336211211759E-10 3.920915457375477E-8 -3.914586955262174E-8 5.437307962164184E-10
peri 6.794610226459093E-14 2.715078841271062E-14 1.96762096209785E-9 -3.914586955262174E-8 3.971542989092037E-8 -5.413316969073561E-10
i -5.519869657146167E-16 3.282873642034457E-15 6.926971174281335E-12 5.437307962164184E-10 -5.413316969073561E-10 5.879076672467622E-11

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 17.5   n/a MPO471887  

379160 (2009 QA17)          Discovered 2009-Aug-17 by OAM at La Sagra
Reference: Last Updated: 2013-11-20

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