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(2021 CW7)
Classification: Apollo [NEO]          SPK-ID: 54117596
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .287205274916515 6.2426e-05  
a 1.202672079622125 6.9658e-05 au
q .8572583143598357 2.5432e-05 au
i 1.172256554729011 0.00027068 deg
node 326.5343854646073 0.00022756 deg
peri 245.3093901479616 0.0010668 deg
M 127.2956840692607 0.021566 deg
tp 2458830.154585023075
(2019-Dec-12.65458502)
0.043658 TDB
period 481.7472787084192
1.32
0.041853
0.0001146
d
yr
n .747279779068337 6.4923e-05 deg/d
Q 1.548085844884414 8.9664e-05 au
  Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      2 days  
   first obs. used      2021-02-12  
   last obs. used      2021-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .28956  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-15 06:48:53  

Additional Information
 Earth MOID = .000236635 au 
 Jupiter MOID = 3.41702 au 
 T_jup = 5.247 
[ 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 31.22   .73073 E2021-CX0 autocmod 2.8

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