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JPL Small-Body Database Browser
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305725 (2009 CD33)
Classification: Main-belt Asteroid          SPK-ID: 2305725
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1671678429996997 7.8869e-08  
a 2.45965138232145 2.0508e-08 au
q 2.048476766207543 1.9088e-07 au
i 2.189270893704032 9.2818e-06 deg
node 70.32555126103419 0.00021586 deg
peri 4.40137606317099 0.00022203 deg
M 295.8370897061436 4.2276e-05 deg
tp 2458851.625211704509
(2020-Jan-03.12521170)
0.00016381 TDB
period 1408.992762322998
3.86
1.7622e-05
4.825e-08
d
yr
n .2555016673091139 3.1955e-09 deg/d
Q 2.870825998435356 2.3937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      6874 days (18.82 yr)  
   first obs. used      2001-01-30  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68085  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:14:00  

Additional Information
 Earth MOID = 1.06336 au 
 Jupiter MOID = 2.38823 au 
 T_jup = 3.470 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457120.5 (2015-Apr-08.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .165686195120507 7.864e-08  
q 2.053069325546027 1.9004e-07 au
tp 2457440.676623266446
(2016-Feb-22.17662327)
0.00017746 TDB
node 70.34655491292793 0.00021592 deg
peri 4.09499009303873 0.00022227 deg
i 2.18901741246363 9.2761e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      6874 days (18.82 yr)  
   first obs. used      2001-01-30  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68085  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:14:00  

Additional Information
 Jupiter MOID = 2.38823 au 
 T_jup = 3.470 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.184194373333224E-15 -1.488695348946449E-14 -7.54159864676267E-12 -1.816177082536902E-13 -2.046248807353268E-12 -1.458924053288985E-15
q -1.488695348946449E-14 3.611573994645531E-14 1.672853932278767E-11 4.169697428039956E-13 4.483230937742836E-12 3.780630614043965E-15
tp -7.54159864676267E-12 1.672853932278767E-11 3.149357920874281E-8 4.417679322853771E-10 9.434070065368166E-9 2.609994066449826E-12
node -1.816177082536902E-13 4.169697428039956E-13 4.417679322853771E-10 4.662145403906287E-8 -4.644958753187556E-8 -1.163226475792165E-9
peri -2.046248807353268E-12 4.483230937742836E-12 9.434070065368166E-9 -4.644958753187556E-8 4.940475853031118E-8 1.163176439419697E-9
i -1.458924053288985E-15 3.780630614043965E-15 2.609994066449826E-12 -1.163226475792165E-9 1.163176439419697E-9 8.604656420598425E-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 18.0   n/a MPO368088  

305725 (2009 CD33)          Discovered 2009-Feb-01 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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