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(2021 CW5)
Classification: Amor [NEO]          SPK-ID: 54115834
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4630859114830916 1.0516e-05  
a 2.193779064616292 4.9301e-05 au
q 1.177870886885932 3.5452e-06 au
i 7.696233334215631 0.00014299 deg
node 332.626948966769 4.0236e-05 deg
peri 227.0355456007157 0.00010813 deg
M 322.8602698605875 0.0012049 deg
tp 2459322.940191843239
(2021-Apr-18.44019184)
0.00018061 TDB
period 1186.827930577509
3.25
0.040008
0.0001095
d
yr
n .3033295650742097 1.0225e-05 deg/d
Q 3.209687242346651 7.2132e-05 au
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      84 days  
   first obs. used      2021-02-05  
   last obs. used      2021-04-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .39495  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-09 06:08:31  

Additional Information
 Earth MOID = .203132 au 
 Jupiter MOID = 1.80791 au 
 T_jup = 3.512 
[ 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 22.18   .36288 E2021-HE8 autocmod 2.8

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