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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4018855661652375 0.00029669  
a .9587281924550336 8.3077e-05 au
q .5734291700316677 0.00023476 au
i 2.045260233145281 0.0016689 deg
node 353.3996690371779 0.001696 deg
peri 288.7955045446862 0.0036344 deg
M 204.5971669633382 0.044826 deg
tp 2459348.512401683685
(2021-May-14.01240168)		 0.023456 TDB
period 342.8796217219286
0.94		 0.044568
0.000122		 d
yr
n 1.049931162989779 0.00013647 deg/d
Q 1.344027214878399 0.00011646 au
   Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      23 days  
   first obs. used      2021-02-12  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .4017  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-21 06:22:44  

Additional Information
 Earth MOID = .00573002 au 
 Jupiter MOID = 3.80084 au 
 T_jup = 6.213 
[ 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 24.05   .51459 E2021-HA9 autocmod 2.8

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