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(2009 CR4)
Classification: Amor [NEO]          SPK-ID: 3446242
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4182299683976977 3.5145e-08  
a 1.752502889672763 4.675e-09 au
q 1.019553661508049 6.0007e-08 au
i 4.779810166881889 5.1691e-06 deg
node 324.666871672637 3.5013e-05 deg
peri 243.6957494756388 4.3076e-05 deg
M 282.161432555689 6.7037e-06 deg
tp 2459183.722529567193
(2020-Nov-30.22252957)
1.5581e-05 TDB
period 847.3962562502203
2.32
3.3908e-06
9.284e-09
d
yr
n .4248307652349348 1.6999e-09 deg/d
Q 2.485452117837476 6.6303e-09 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      2677 days (7.33 yr)  
   first obs. used      2009-02-13  
   last obs. used      2016-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53321  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:01:22  

Additional Information
 Earth MOID = .0701125 au 
 Jupiter MOID = 2.49894 au 
 T_jup = 4.020 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.6   n/a MPO382681  

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