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(2021 CS3)
Classification: Apollo [NEO]          SPK-ID: 54111256
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6169771022693236 0.00056456  
a 2.374703163085031 0.0033927 au
q .9095656867750315 4.1185e-05 au
i 9.086756292269337 0.0058109 deg
node 135.4224468541351 0.0010536 deg
peri 322.9139074631954 0.00051921 deg
M 353.6694609147078 0.011926 deg
tp 2459224.004478330282
(2021-Jan-09.50447833)
0.006089 TDB
period 1336.633750285235
3.66
2.8644
0.007842
d
yr
n .2693333158190692 0.00057718 deg/d
Q 3.83984063939503 0.0054859 au
  Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      15 days  
   first obs. used      2021-02-06  
   last obs. used      2021-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .47518  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-28 05:51:52  

Additional Information
 Earth MOID = .000184097 au 
 Jupiter MOID = 1.42464 au 
 T_jup = 3.241 
[ 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 24.51   .39638 E2021D74 autocmod 2.8

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