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(2018 CW2)
Classification: Aten [NEO]          SPK-ID: 3799312
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4210374995624092 4.0941e-06  
a .762165002754346 4.2882e-08 au
q .4412649557406794 3.145e-06 au
i 4.953231418394275 0.00013769 deg
node 332.0547615941623 0.00011715 deg
peri 327.1963543968811 0.000172 deg
M 32.51948254584754 0.00093077 deg
tp 2458978.546030483754
(2020-May-09.04603048)		 0.00062654 TDB
period 243.0367400436325
0.67		 2.0511e-05
5.616e-08		 d
yr
n 1.481257524830892 1.2501e-07 deg/d
Q 1.083065049768013 6.0937e-08 au
   Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      737 days (2.02 yr)  
   first obs. used      2018-02-09  
   last obs. used      2020-02-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .54142  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-17 05:03:36  

Additional Information
 Earth MOID = .00443604 au 
 Jupiter MOID = 4.12362 au 
 T_jup = 7.519 
[ 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 25.8   n/a MPO545073  

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