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305728 (2009 CD38)
Classification: Main-belt Asteroid          SPK-ID: 2305728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1664214796390553 5.9826e-08  
a 2.365483444434246 1.7935e-08 au
q 1.97181618954981 1.4453e-07 au
i .8463090311832925 6.5152e-06 deg
node 29.14765897811519 0.00048827 deg
peri 101.7122950423798 0.00048894 deg
M 49.7419860223219 2.1834e-05 deg
tp 2458816.888906734248
(2019-Nov-29.38890673)
8.0245e-05 TDB
period 1328.857145872865
3.64
1.5113e-05
4.138e-08
d
yr
n .2709094812170594 3.081e-09 deg/d
Q 2.759150699318683 2.092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      6561 days (17.96 yr)  
   first obs. used      2002-02-16  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:57:22  

Additional Information
 Earth MOID = .986687 au 
 Jupiter MOID = 2.28545 au 
 T_jup = 3.529 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO455252  

305728 (2009 CD38)          Discovered 2009-Feb-15 by Kugel, F. at Chante-Perdrix
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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