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305770 (2009 DZ40)
Classification: Main-belt Asteroid          SPK-ID: 2305770
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 .02697430052022892 2.4855e-07  
a 2.533766648946382 2.3726e-08 au
q 2.465420065909569 6.3358e-07 au
i 4.931946709463483 6.4628e-06 deg
node 157.8204886218846 7.2157e-05 deg
peri 152.6557177924813 0.00063887 deg
M 130.6756850664515 0.00065885 deg
tp 2458465.762508091630
(2018-Dec-13.26250809)
0.0026981 TDB
period 1473.15468052928
4.03
2.0692e-05
5.665e-08
d
yr
n .24437352353974 3.4324e-09 deg/d
Q 2.602113231983195 2.4366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      6947 days (19.02 yr)  
   first obs. used      2001-01-19  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49159  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:57:35  

Additional Information
 Earth MOID = 1.45239 au 
 Jupiter MOID = 2.45001 au 
 T_jup = 3.444 
[ show covariance matrix ]

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 MPO455253  

305770 (2009 DZ40)          Discovered 2009-Feb-16 by La Sagra at La Sagra
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 DZ40 = 2005 CJ51 = 2007 TB90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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