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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5738607349974701 0.00055337  
a 2.133679689820907 0.0026111 au
q .9092446947711074 6.8025e-05 au
i 5.71930397726347 0.0044567 deg
node 311.0194778751986 0.0035168 deg
peri 223.47676038 0.0062609 deg
M 334.1487052510043 0.048238 deg
tp 2459282.247044561981
(2021-Mar-08.74704456)
0.0024826 TDB
period 1138.393118335267
3.12
2.0897
0.005721
d
yr
n .3162352215607622 0.00058049 deg/d
Q 3.358114684870708 0.0041095 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .45648  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:24:46  

Additional Information
 Earth MOID = .00848904 au 
 Jupiter MOID = 1.6492 au 
 T_jup = 3.482 
[ 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 23.6   .28242 MPO606139 autocmod 2.8

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