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305784 (2009 DL53)
Classification: Main-belt Asteroid          SPK-ID: 2305784
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03574500622873271 9.4986e-08  
a 2.632914444443302 3.5387e-08 au
q 2.538800901226956 2.3083e-07 au
i 4.408323504442268 6.2342e-06 deg
node 117.6380969806149 9.2708e-05 deg
peri 54.17368841218591 0.0001372 deg
M 212.7191629068537 0.00010606 deg
tp 2459638.906485972987
(2022-Feb-28.40648597)
0.0004656 TDB
period 1560.463258400167
4.27
3.1459e-05
8.613e-08
d
yr
n .2307007217645629 4.651e-09 deg/d
Q 2.727027987659648 3.6652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      5750 days (15.74 yr)  
   first obs. used      2003-11-24  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56329  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:55:00  

Additional Information
 Earth MOID = 1.54722 au 
 Jupiter MOID = 2.2395 au 
 T_jup = 3.394 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457154.5 (2015-May-12.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0341271227681177 9.5692e-08  
q 2.544259926826505 2.3219e-07 au
tp 2456519.813608664811
(2013-Aug-15.31360867)
0.00045487 TDB
node 117.7058274801552 9.2803e-05 deg
peri 54.89418283464339 0.00013984 deg
i 4.4057140633819 6.2295e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      5750 days (15.74 yr)  
   first obs. used      2003-11-24  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56329  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:55:00  

Additional Information
 Jupiter MOID = 2.2395 au 
 T_jup = 3.394 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.156984193808282E-15 -2.206569584983406E-14 1.759011417934712E-11 -7.909831448719176E-14 3.898562366451534E-12 -3.717270290885905E-15
q -2.206569584983406E-14 5.391102580258558E-14 -4.098334926411441E-11 1.903388725839241E-13 -9.010831746023833E-12 9.508396480381855E-15
tp 1.759011417934712E-11 -4.098334926411441E-11 2.069047101485805E-7 -2.980056892523497E-10 4.762933673476161E-8 -2.594744270293223E-11
node -7.909831448719176E-14 1.903388725839241E-13 -2.980056892523497E-10 8.612481456481443E-9 -8.653810471417557E-9 -5.141267248941018E-12
peri 3.898562366451534E-12 -9.010831746023833E-12 4.762933673476161E-8 -8.653810471417557E-9 1.955551307178278E-8 -7.179718774020885E-13
i -3.717270290885905E-15 9.508396480381855E-15 -2.594744270293223E-11 -5.141267248941018E-12 -7.179718774020885E-13 3.880717667149436E-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 17.0   n/a MPO440440  

305784 (2009 DL53)          Discovered 2009-Feb-22 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 DL53 = 2007 VM40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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