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(2021 CX8)
Classification: Apollo [NEO]          SPK-ID: 54121902
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2698013124505743 0.00011909  
a 1.277328915605343 0.00017354 au
q .9327038977439528 2.54e-05 au
i 7.793760903073866 0.0029458 deg
node 343.2923074207773 0.0011035 deg
peri 233.531382713596 0.0018435 deg
M 273.9938541176238 0.018368 deg
tp 2459326.473596368076
(2021-Apr-21.97359637)
0.0012342 TDB
period 527.2936512528955
1.44
0.10746
0.0002942
d
yr
n .6827315275740733 0.00013913 deg/d
Q 1.621953933466733 0.00022036 au
  Orbit Determination Parameters
   # obs. used (total)      62  
   data-arc span      33 days  
   first obs. used      2021-02-13  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .43317  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:25:30  

Additional Information
 Earth MOID = .0163398 au 
 Jupiter MOID = 3.36218 au 
 T_jup = 5.019 
[ 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 24.18   .49552 E2021D77 autocmod 2.8

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