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(2021 CF8)
Classification: Aten [NEO]          SPK-ID: 54117604
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4025252106106509 0.0013229  
a .958909774544055 0.00037393 au
q .5729244155890975 0.0010452 au
i 2.048846506076239 0.007386 deg
node 353.3959317835134 0.0072699 deg
peri 288.8029931159435 0.015421 deg
M 204.6946877454719 0.20089 deg
tp 2459348.461544345476
(2021-May-13.96154435)
0.10484 TDB
period 342.9770378818332
0.94
0.20062
0.0005493
d
yr
n 1.049632949842058 0.00061397 deg/d
Q 1.344895133499012 0.00052445 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      12 days  
   first obs. used      2021-02-12  
   last obs. used      2021-02-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .3474  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-25 05:21:13  

Additional Information
 Earth MOID = .0057396 au 
 Jupiter MOID = 3.8001 au 
 T_jup = 6.212 
[ 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 24.10   .51459 E2021-DA1 autocmod 2.8

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