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(2021 CX8)
Classification: Apollo [NEO]          SPK-ID: 54121902
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2698045406936788 0.00011493  
a 1.277333632661247 0.00016747 au
q .932703218588491 2.452e-05 au
i 7.793840176856966 0.0028433 deg
node 343.2922785577886 0.0010651 deg
peri 233.5314284352062 0.0017811 deg
M 273.9943550866457 0.017724 deg
tp 2459326.473560406049
(2021-Apr-21.97356041)
0.0011898 TDB
period 527.2965721246029
1.44
0.1037
0.0002839
d
yr
n .6827277456962685 0.00013427 deg/d
Q 1.621964046734003 0.00021265 au
  Orbit Determination Parameters
   # obs. used (total)      65  
   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      .42474  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-21 06:22:44  

Additional Information
 Earth MOID = .0163399 au 
 Jupiter MOID = 3.36217 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 24.16   .49552 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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