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379120 (2009 AD15)
Classification: Main-belt Asteroid          SPK-ID: 2379120
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2230081731847227 7.7667e-08  
a 3.113563477546431 3.9537e-08 au
q 2.419213374324129 2.5523e-07 au
i .559537578452531 7.4706e-06 deg
node 98.36293714878683 0.00099561 deg
peri 308.2662960249947 0.0009965 deg
M 79.68182381057869 3.5253e-05 deg
tp 2458556.337612916759
(2019-Mar-13.83761292)
0.00019318 TDB
period 2006.711840959874
5.49
3.8223e-05
1.046e-07
d
yr
n .1793979547296639 3.4171e-09 deg/d
Q 3.807913580768733 4.8354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      8043 days (22.02 yr)  
   first obs. used      1998-01-25  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58708  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:08:29  

Additional Information
 Earth MOID = 1.429 au 
 Jupiter MOID = 1.59381 au 
 T_jup = 3.179 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457626.5 (2016-Aug-26.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2222849634809195 7.6992e-08  
q 2.420851314307786 2.5189e-07 au
tp 2458557.318814749151
(2019-Mar-14.81881475)
0.0001939 TDB
node 98.34412890557867 0.00099541 deg
peri 308.4612473520679 0.00099631 deg
i .5597797390050914 7.4674e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      8043 days (22.02 yr)  
   first obs. used      1998-01-25  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58708  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:08:29  

Additional Information
 Jupiter MOID = 1.59381 au 
 T_jup = 3.179 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.927773546525599E-15 -1.927170049610834E-14 -9.872285070523213E-12 -1.220149848960834E-13 -2.145370814791879E-12 -2.453676918853854E-15
q -1.927170049610834E-14 6.34496567261144E-14 3.267973466963634E-11 4.025415057622591E-13 7.003410175191389E-12 8.026614489742601E-15
tp -9.872285070523213E-12 3.267973466963634E-11 3.759632688942054E-8 2.969755980090696E-10 8.345347228002756E-9 6.508393331592347E-12
node -1.220149848960834E-13 4.025415057622591E-13 2.969755980090696E-10 9.908361722539625E-7 -9.907216091854983E-7 2.375143422322728E-9
peri -2.145370814791879E-12 7.003410175191389E-12 8.345347228002756E-9 -9.907216091854983E-7 9.926396615780303E-7 -2.373551986660317E-9
i -2.453676918853854E-15 8.026614489742601E-15 6.508393331592347E-12 2.375143422322728E-9 -2.373551986660317E-9 5.576271889408392E-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 16.7   n/a MPO455730  

379120 (2009 AD15)          Discovered 2009-Jan-02 by Mt. Lemmon Survey at Mount Lemmon
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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