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305723 (2009 CT28)
Classification: Main-belt Asteroid          SPK-ID: 2305723
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 .1234593503028283 6.6405e-08  
a 2.430580479366667 1.9954e-08 au
q 2.130502592525321 1.587e-07 au
i 2.47259919383418 5.4013e-06 deg
node 108.9170435456491 0.0001705 deg
peri 97.59969548332941 0.00017192 deg
M 307.0985080037467 2.4058e-05 deg
tp 2459203.889652972593
(2020-Dec-20.38965297)
9.3491e-05 TDB
period 1384.087145884642
3.79
1.7044e-05
4.666e-08
d
yr
n .2600992293515632 3.203e-09 deg/d
Q 2.730658366208012 2.2418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      9449 days (25.87 yr)  
   first obs. used      1994-03-12  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58301  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:57:22  

Additional Information
 Earth MOID = 1.12771 au 
 Jupiter MOID = 2.2294 au 
 T_jup = 3.496 
[ 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 17.3   n/a MPO460268  

305723 (2009 CT28)          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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