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(2021 CA)
Classification: Apollo [NEO]          SPK-ID: 54107793
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5738844301773144 0.00055336  
a 2.133315132293411 0.0026102 au
q .9090387932085647 6.8233e-05 au
i 5.71926043698059 0.0044567 deg
node 311.020675103483 0.0035168 deg
peri 223.4899779474741 0.0062621 deg
M 270.8783558587903 0.16436 deg
tp 2459282.248515797614
(2021-Mar-08.74851580)
0.0025018 TDB
period 1138.101374413944
3.12
2.0888
0.005719
d
yr
n .3163162861352128 0.00058054 deg/d
Q 3.357591471378257 0.0041082 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      24 days  
   first obs. used      2021-01-17  
   last obs. used      2021-02-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .45648  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-10 05:21:26  

Additional Information
 Earth MOID = .00844113 au 
 Jupiter MOID = 1.65062 au 
 T_jup = 3.483 
[ 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 23.69   .28242 E2021-CI3 autocmod 2.8

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