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(2021 CM3)
Classification: Apollo [NEO]          SPK-ID: 54111249
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 2459254.5 (2021-Feb-09.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6290021616154813 0.0015628  
a 1.893433220445613 0.006762 au
q .7024596319107603 0.00045043 au
i 3.753553686700238 0.010478 deg
node 146.2441447676965 0.0052711 deg
peri 275.3097384665537 0.0056107 deg
M 18.31749654603171 0.1139 deg
tp 2459206.078634415799
(2020-Dec-22.57863442)
0.041722 TDB
period 951.6415939539919
2.61
5.0979
0.01396
d
yr
n .3782936793506785 0.0020265 deg/d
Q 3.084406808980466 0.011015 au
  Orbit Determination Parameters
   # obs. used (total)      19  
   data-arc span      1 day  
   first obs. used      2021-02-08  
   last obs. used      2021-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .43682  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-10 05:21:32  

Additional Information
 Earth MOID = .0105216 au 
 Jupiter MOID = 2.28848 au 
 T_jup = 3.684 
[ 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 27.33   .20259 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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