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305733 (2009 CU44)
Classification: Main-belt Asteroid          SPK-ID: 2305733
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03364230471983174 5.1882e-08  
a 2.669885169970452 4.062e-08 au
q 2.580064079515346 1.4341e-07 au
i 1.900502600258176 7.8278e-06 deg
node 166.265627459257 0.0001763 deg
peri 112.0493351329232 0.00022122 deg
M 85.259393386784 0.00012746 deg
tp 2458623.121599839453
(2019-May-19.62159984)
0.00056675 TDB
period 1593.445820585158
4.36
3.6364e-05
9.956e-08
d
yr
n .2259254725509261 5.1559e-09 deg/d
Q 2.759706260425558 4.1986e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      6141 days (16.81 yr)  
   first obs. used      2001-05-26  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65327  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:49:48  

Additional Information
 Earth MOID = 1.5644 au 
 Jupiter MOID = 2.26347 au 
 T_jup = 3.380 
[ 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 17.0   n/a MPO440439  

305733 (2009 CU44)          Discovered 2009-Feb-14 by Mt. Lemmon Survey at Mount Lemmon
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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