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(2021 CN4)
Classification: Amor [NEO]          SPK-ID: 54111270
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4470083156720559 1.404e-05  
a 1.937699649344266 5.3205e-05 au
q 1.071531792812552 2.2195e-06 au
i 9.878502222982275 0.00022752 deg
node 181.4041846843337 9.9978e-05 deg
peri 341.9440508568383 3.8399e-05 deg
M 333.0940315820748 0.0010907 deg
tp 2459274.133296718530
(2021-Feb-28.63329672)
5.4287e-05 TDB
period 985.2084268786568
2.70
0.040577
0.0001111
d
yr
n .3654049134968873 1.505e-05 deg/d
Q 2.80386750587598 7.6988e-05 au
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      73 days  
   first obs. used      2021-02-06  
   last obs. used      2021-04-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .33779  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-21 06:22:40  

Additional Information
 Earth MOID = .0854516 au 
 Jupiter MOID = 2.18941 au 
 T_jup = 3.761 
[ 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 20.7   .35744 E2021D90 autocmod 2.8

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