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445830 (2012 CL19)
Classification: Apollo [NEO]          SPK-ID: 2445830
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4412739018577527 2.3457e-08  
a 1.561445086239357 9.6318e-09 au
q .872420120497901 4.0149e-08 au
i 2.865642140251688 8.1537e-06 deg
node 128.5265196468512 8.257e-05 deg
peri 295.3246669378745 8.1083e-05 deg
M 118.2309374409038 1.3537e-05 deg
tp 2458766.445426299829
(2019-Oct-09.94542630)		 2.487e-05 TDB
period 712.6700367590125
1.95		 6.5942e-06
1.805e-08		 d
yr
n .5051426065801234 4.674e-09 deg/d
Q 2.250470051980814 1.3882e-08 au
   Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      1325 days (3.63 yr)  
   first obs. used      2012-02-11  
   last obs. used      2015-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56059  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:20:22  

Additional Information
 Earth MOID = .0115119 au 
 Jupiter MOID = 3.09177 au 
 T_jup = 4.314 
[ 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 22.2   n/a MPO353568  

445830 (2012 CL19)          Discovered 2012-Feb-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-05

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